Honda FourTrax Rancher TRX420FA5 2019 Owner'S Manual Download Page 168 | Manualshive

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Servicing Your Honda

158

Valves

Refer to

Safety Precautions

on page 107.

Valve clearance should be:

Excessive clearance will cause noise. Insufficient clearance will cause
loss of power and possibly damage the valves.

For those who are mechanically proficient and have the proper tools,
instructions on adjusting valve clearances are given in the official
Honda Service Manual. Otherwise, the valves should be adjusted by
your dealer.

Valve Inspection

intake:

0.006 in (0.15 mm)

exhaust:

0.009 in (0.23 mm)

19 TRX420FA5 FA6-31HR7640.book Page 158 Tuesday, May 29, 2018 10:11 AM

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Summary of Contents for FourTrax Rancher TRX420FA5 2019

Page 1: ...CHER FOURTRAX RANCHER Read this manual carefully it contains important safety information Minimum recommended operator age 16 Models sold in and used in California The removal or modification of evapo...

Page 2: ...are based on the TRX420FA6 model This publication includes the latest production information available before printing Honda Motor Co Ltd reserves the right to make changes at any time without notice...

Page 3: ...aust Emission regulations and operation on public streets roads or highways is illegal The vehicle is equipped with a USDA qualified spark arrester Obey local laws and regulations It conforms to US EP...

Page 4: ...e also recommend that you read this owner s manual before you ride It s full of facts instructions safety information and helpful tips To make it easy to use the manual contains a detailed list of top...

Page 5: ...dedicated to your complete satisfaction Please report any change of address or ownership to your dealer so we will be able to contact you concerning important product information You may also want to...

Page 6: ...is manual This information alerts you to potential hazards that could hurt you or others Of course it is not practical or possible to warn you about all hazards associated with operating or maintainin...

Page 7: ...to use this ATV correctly and safely This entire manual is filled with important safety information please read it carefully 3DANGER You WILL be KILLED or SERIOUSLY HURT if you don t follow instructi...

Page 8: ...ments Controls 9 The location and function of indicators and controls on your ATV and operating instructions for various controls and features Before Riding 49 The importance of wearing a helmet and o...

Page 9: ...e an environmentally responsible rider Taking Care of the Unexpected 203 What to do if you have a flat tire your engine won t start etc Technical Information 229 ID numbers technical specifications an...

Page 10: ...19 TRX420FA5 FA6 31HR7640 book Page 9 Tuesday May 29 2018 10 11 AM...

Page 11: ...d recommendations to help you ride your ATV safely Please take a few moments to read these pages This section also includes information about the location of safety labels on your ATV Important Safety...

Page 12: ...ge 16 should never operate this vehicle Refer to the age warnings provided in this manual and on the ATV Always Wear a Helmet It s a proven fact helmets significantly reduce the number and severity of...

Page 13: ...you build your skills and get accustomed to the ATV s size and weight Because many crashes involve inexperienced or untrained riders we urge all riders to take a ATV operator course approved by the AT...

Page 14: ...one drink can reduce your ability to respond to changing conditions and your reaction time gets worse with every additional drink So don t drink and ride and don t let your friends drink and ride eit...

Page 15: ...ormation Anyone who rides the vehicle should read and understand this information before riding The labels should be considered permanent parts of the vehicle If a label comes off or becomes hard to r...

Page 16: ...ng and increase risk of losing control ALWAYS use proper riding techniques to avoid vehicle overturns on hills and rough terrain and in turns avoid paved surfaces pavement may seriously affect handlin...

Page 17: ...he maximum front cargo limit of 66 lbs 30 kg Refer to instructions in the Owner s Manual WARNING Improper tire pressure or overloading can cause loss of control Loss of control can result in severe in...

Page 18: ...anual BRAKING INFORMATION Operating this ATV if you are under the age of 16 increases your chance of severe injury or death NEVER operate this ATV if you are under age 16 WARNING Improper ATV use can...

Page 19: ...ther components are presented in other sections of this manual where they will be most useful Operation Component Locations 11 Indicators Displays 14 Multi function Display 20 Speed and Mileage Unit C...

Page 20: ...Recoil Starter Canada only 38 Throttle Lever 39 Drive Mode Select Switch 40 Gearshift Switch 41 Front Brake Lever 42 Rear Brake Lever Parking Brake Lever 42 Rear Brake Pedal 42 Parking Brake Reverse...

Page 21: ...P R lever rear brake lever parking brake lever engine stop switch start button ignition switch 2WD 4WD select lever throttle lever front brake lever headlight switch gearshift switches drive mode sele...

Page 22: ...Instruments Controls 12 Operation Component Locations rear cargo rack front cargo rack rear brake pedal recoil starter Canada only 19 TRX420FA5 FA6 31HR7640 book Page 12 Tuesday May 29 2018 10 11 AM...

Page 23: ...Instruments Controls 13 Operation Component Locations flag pole bracket trailer hitch storage compartment 19 TRX420FA5 FA6 31HR7640 book Page 13 Tuesday May 29 2018 10 11 AM...

Page 24: ...enjoyable Refer to the indicators frequently Their functions are described on the following pages 3 PGM FI indicator 4 high coolant temperature indicator 1 neutral indicator 2 reverse indicator 6 mult...

Page 25: ...X420FA6 only The PS Electric Power Steering indicator comes back on and remains on until the engine is started after initial lamp check These indicators are identified in the table on page 17 with the...

Page 26: ...al segments and initial message Make sure the liquid crystal display is functioning properly The displays are identified in the table on page 18 with the words Display Check If any part of these displ...

Page 27: ...her time reduce speed and take your vehicle to your dealer as soon as possible Lamp Check 4 High coolant temperature indicator Lights when coolant temperature is high enough to adversely affect the se...

Page 28: ...es page 27 Odometer Shows accumulated mileage page 28 Tripmeter Shows mileage per trip page 28 Coolant temperature gauge Shows approximate coolant temperature page 29 Hour meter Shows hours and tenths...

Page 29: ...wer parts of multi function display page 21 This button also used to change the speed and mileage unit page 23 adjusts the clock page 27 and resets tripmeter maintenance tripmeter and maintenance hour...

Page 30: ...r Coolant temperature gauge Speedometer Hour meter Fuel gauge Maintenance tripmeter Maintenance hour meter 1 multi function display 2 4WD indicator 5 maintenance minder indicator 3 gear position indic...

Page 31: ...illustration Fuel gauge page 25 Digital clock page 27 Odometer page 28 Tripmeter page 28 Coolant temperature gauge page 29 When ATV is moving When ATV is not moving Hour meter page 31 Maintenance trip...

Page 32: ...o ordinary display it will automatically return to the fuel gauge If there is a coolant temperature warning with your ATV the display will automatically change to the coolant temperature gauge If you...

Page 33: ...M To change the speed and mileage unit press and hold the mode button 1 for more than 5 seconds in odometer page 28 with the ATV stopped The 4WD indicator 1 appears when the 4WD mode engages page 35 S...

Page 34: ...properly Before riding check that the gear position is properly displayed on the gear position indicator If the gear position indicator shows or blinks turn the ignition switch to the OFF w position a...

Page 35: ...de the display is in when the fuel level reaches only 1st segment 3 the display will automatically switch to the fuel gauge display You should refuel as soon as possible The amount of fuel remaining w...

Page 36: ...should refill the tank as soon as possible The amount of fuel reserve is approximately 1 29 US gal 4 9 Fuel gauge failure If the fuel gauge function fails E F 6 will blink See your dealer The fuel ma...

Page 37: ...ase the mode button for 0 5 seconds Press and hold the mode button for more than 0 5 seconds the display will begin advancing fast 4 Release the mode button when the display reaches the desired time 5...

Page 38: ...mileage per trip with the TRIP display 2 while the ignition is ON q since you last reset the tripmeter The tripmeter returns to 0 0 when the read out exceeds 999 9 To reset the tripmeter to 0 0 press...

Page 39: ...s of the coolant temperature gauge and high coolant temperature indicator are on automatically appears in the display while you are riding immediately stop the vehicle turn the engine off and check th...

Page 40: ...coolant temperature system has an error the coolant temperature gauge 1 will blink and preferentially appear in the display and or high coolant temperature indicator 3 will turn on If this occurs see...

Page 41: ...s ON I with the hour meter mark 2 The hour meter provides accurate service period information for initial and regular maintenance The hour meter locks at 99 999 9 when the read out exceeds 99 999 9 Ho...

Page 42: ...the maintenance interval specified on the maintenance schedule page 110 The maintenance tripmeter or the maintenance hour meter and maintenance minder indicator will blink when they reach their settin...

Page 43: ...ce is done before the setting interval be sure to reset the meters after the maintenance Initial Maintenance Appears at 100 miles 150 km or 20 operating hours whichever comes first Regular Maintenance...

Page 44: ...or the ON q position The ignition switch is also used to reset the maintenance tripmeter and the maintenance hour meter page 33 Ignition Switch Key Position Function ON q Electrical circuits on OFF w...

Page 45: ...n the left side of the fuel tank To select the drive mode shift the 2WD 4WD select lever to the desired position After using the 2WD 4WD select lever the mode may not mechanically engage until forward...

Page 46: ...d to stop the engine in an emergency To operate slide the switch to the OFF r position The switch must be in the RUN e position to start the engine and it should normally remain in the RUN e position...

Page 47: ...eadlight dimmer switch 2 is used to change between the high and low beams of the headlight To operate turn the switch to HI u for high beam LO i for low beam Headlight Switch y t Headlight Dimmer Swit...

Page 48: ...e recoil starter 1 is used to start the engine when the battery is low See Using the Recoil Starter Canada only page 78 Recoil Starter Canada only RIGHT SIDE 1 recoil starter 1 19 TRX420FA5 FA6 31HR76...

Page 49: ...ver 1 with your thumb To reduce engine rpm release pressure on the throttle lever The throttle will automatically return to the closed position engine idle when you remove your thumb Throttle Lever RI...

Page 50: ...de select switch 1 has two positions AUTO automatic shift mode and ESP manual shift mode See Shifting Gears page 79 Drive Mode Select Switch 1 drive mode select switch RIGHT HANDLEBAR 1 19 TRX420FA5 F...

Page 51: ...ESP manual shift mode These gearshift switches are used to select the next higher or lower gear in the transmission To operate press the upshift switch 1 to engage the next higher gear or press the d...

Page 52: ...ing brake lever is used to slow or stop your ATV To operate pull the lever For information on braking techniques see page 87 The rear brake pedal is used to slow or stop your ATV To operate depress th...

Page 53: ...ver parking brake lever 2 is used to apply the parking brake or to shift the transmission into reverse Parking Brake Reverse Lever P R Lever LEFT HANDLEBAR 1 P R lever 1 2 2 rear brake lever parking b...

Page 54: ...see page 102 To release the parking brake Squeeze the rear brake lever parking brake lever until the P R lever is released from the slot on the rear brake lever parking brake lever bracket The brake l...

Page 55: ...ealer To mount a pole in the bracket 1 follow the instructions that come with the flag pole kit Flag poles are required in some riding areas Check local regulations before riding Flag Pole Bracket RIG...

Page 56: ...oper size ball 2 as specified by the trailer manufacturer To attach the ball and properly hook up a trailer follow the trailer manufacturer s instructions For load limits and operational guidelines se...

Page 57: ...w the rear cargo rack 2 To open the compartment unhook the rubber strap 3 Be careful not to flood this area when washing your ATV Storage Compartment REAR 1 storage compartment 1 3 rubber strap 2 2 re...

Page 58: ...period After cooling down it will then return to normal EPS operation The PS indicator should light when the ignition switch is turned on and remain on until the engine is started The PS indicator al...

Page 59: ...your comfort convenience or safety This section also includes important information about loading Are You Ready to Ride 50 Protective Apparel 50 Rider Training 52 Age Recommendation 53 No Passengers 5...

Page 60: ...any alcohol or drugs in your system For your safety we strongly recommend that you always wear an approved motorcycle helmet eye protection boots gloves long pants and a long sleeved shirt or jacket w...

Page 61: ...protect your feet ankles and lower legs Off road motorcycle gloves to help protect your hands Riding pants with knee and hip pads a riding jersey with padded elbows and a chest shoulder protector WARN...

Page 62: ...ion about the ASI training course nearest you call the national toll free number 800 887 2887 USA only Other riding tips can be found in the Tips Practice Guide for the ATV Rider booklet that came wit...

Page 63: ...r cargo racks Age Recommendation WARNING 3WARNING A child using an ATV that is not recommended for their age could lose vehicle control while riding resulting in severe injury or death A child under 1...

Page 64: ...ult your doctor to be sure it is safe to operate a vehicle after taking medication No Alcohol or Drugs WARNING 3WARNING Operating this ATV after consuming alcohol or drugs can seriously affect your ju...

Page 65: ...ealer There may be damage or other problems you cannot see Check the following items before you get on the ATV WARNING 3WARNING Improperly maintaining this ATV or failing to correct a problem before r...

Page 66: ...wheels to see that the axle nuts are tightened Use a wrench to make sure all accessible nuts bolts and fasteners are tight Underbody Exhaust System Check for and remove any dirt vegetation or other d...

Page 67: ...needed Press the throttle to make sure it moves smoothly without sticking and snaps shut automatically when it is released in all steering positions page 152 Brakes Squeeze the front brake lever and...

Page 68: ...Headlight and Headlight Dimmer Switch Check for proper function page 37 Engine Stop Switch Check for proper function page 36 Steering Check that the wheels turn properly as you steer the handlebar Mov...

Page 69: ...t change this ATV s design and performance can also make it unsafe Also the weight of any accessories will reduce the maximum load the ATV can carry More specific information on load limits accessorie...

Page 70: ...tongue jack or other support to keep the trailer level The weight of added accessories will reduce the maximum cargo weight you can carry Load Limits maximum weight capacity 485 lb 220 kg includes th...

Page 71: ...rope or cable to the rear rack Load cargo on the rear rack as far forward as possible Make sure cargo on the front rack does not interfere with handlebar movement Do not allow cargo to extend beyond...

Page 72: ...these guidelines Make sure the accessory does not obscure any lights reduce ground clearance limit suspension travel or steering travel or interfere with operating any controls Make sure the accessor...

Page 73: ...and braking making it unsafe to ride We also advise you not to make any modifications or remove any equipment such as the USDA qualified spark arrester or emission control system components that would...

Page 74: ...Before Riding 64 19 TRX420FA5 FA6 31HR7640 book Page 64 Tuesday May 29 2018 10 11 AM...

Page 75: ...life refer to Break in Guidelines page 237 Safe Riding Precautions 67 Off road Use Only 67 Keep Hands and Feet on Controls 68 Control Speed 69 Use Care on Unfamiliar or Rough Terrain 70 Do Not Perfor...

Page 76: ...g Your ATV 89 Making Turns 89 Skidding or Sliding 91 Riding Up Hills 92 Riding Down Hills 96 Crossing or Turning on Hills or Slopes 97 Riding Over Obstacles 99 Riding Through Water 100 Parking 102 19...

Page 77: ...r off road use only not for pavement Riding on pavement can affect handling and control You should not ride your ATV on pavement When riding off road also remember to always obey local off road riding...

Page 78: ...or one foot from the footpegs can reduce your ability to control the ATV or could cause you to lose your balance and fall off the ATV WARNING 3WARNING Operating this ATV on public streets roads or hig...

Page 79: ...er operating conditions plus your own skills and experience Control Speed WARNING 3WARNING Operating this ATV at excessive speeds increases your chances of losing control of the ATV which can result i...

Page 80: ...en rocks bumps or holes in time to react Use Care on Unfamiliar or Rough Terrain WARNING 3WARNING Failure to use extra care when operating this ATV on unfamiliar terrain could result in the ATV overtu...

Page 81: ...essively rough slippery or loose terrain could cause loss of traction or vehicle control which could result in a crash including an overturn Do not operate on excessively rough slippery or loose terra...

Page 82: ...ansmission will automatically return to neutral N when the ignition switch is turned to the ON q position The starter motor will operate when the transmission is in neutral or the front brake lever is...

Page 83: ...arking brake page 43 2 Turn the ignition switch 1 to ON q Confirm the following The transmission is in neutral and the neutral indicator 2 is ON The engine stop switch 3 is set to RUN e Preparation 1...

Page 84: ...he start button with the throttle completely closed The engine will not start if the throttle is fully open because the electronic control module cuts off the fuel supply Snapping the throttle or fast...

Page 85: ...s then open the throttle slightly if idling is unstable If the engine does not start wait 10 seconds then follow steps 1 4 again If the engine still won t start refer to If Your Engine Quits or Won t...

Page 86: ...start button Do not press the throttle lever while starting in gear The engine will not start if the throttle is fully open because the electronic control module cuts off the fuel supply Once you have...

Page 87: ...gine stop switch should normally remain in the RUN e position even when the engine is OFF If your ATV is stopped with the engine stop switch OFF r and the ignition switch ON q the battery will dischar...

Page 88: ...ansmission is in neutral 3 Grasp the starter grip 1 firmly then pull it out slowly approximately 4 in 100 mm 4 Pull the grip up briskly and fully 5 After the engine starts allow the starter grip to re...

Page 89: ...dicator will show D for forward gears N for neutral and R for reverse Select gear position with the gear shift switches ESP manual shift mode In this mode you can shift gears much like a manual transm...

Page 90: ...R Manual 1 5 N R Two gearshift switches are located next to the left handlebar grip Upshift and downshift To shift between a forward gear D or 1 neutral N or reverse R bring the ATV to complete stop...

Page 91: ...e and letting it warm up follow these procedures 1 With the transmission in neutral release the parking brake page 44 but continue to squeeze the rear brake lever parking brake lever 2 With the thrott...

Page 92: ...e gear position indicator shows 1 4 Release the rear brake lever parking brake lever and increase engine speed by gradually opening the throttle 5 When speed increases release the throttle and upshift...

Page 93: ...es under a set speed see table the transmission will automatically downshift to the next lower gear If the ATV is at a complete stop 2nd gear 3rd gear 4th gear or 5th gear cannot be selected If the el...

Page 94: ...nd the normal shifting points Downshift to a lower gear before you feel the engine laboring lugging at low rpm Avoid downshifting to help slow your ATV when engine rpm is high Downshifting when engine...

Page 95: ...ar brake lever parking brake lever 3 then press the downshift switch 4 once to shift into R reverse gear 5 Make sure that the reverse indicator comes on and the gear position indicator shows R WARNING...

Page 96: ...be shifted from neutral back into reverse when the engine speed is above 2 300 rpm or speed of your ATV is above 2 mph 3 km h The transmission cannot be shifted from reverse up to neutral when the en...

Page 97: ...des about 70 percent of total stopping power For full braking effectiveness use both the pedal and lever simultaneously Using both braking systems will stop your ATV faster with greater stability To s...

Page 98: ...riding skills When descending a long steep grade use engine compression braking by downshifting in the ESP mode with intermittent use of both brakes Continuous brake application can overheat the brak...

Page 99: ...in making turns Making Turns WARNING 3WARNING Turning improperly can make the ATV go out of control causing a collision or overturn Always follow proper procedures for turning as described in this own...

Page 100: ...your body slightly forward on the seat and lean inside as you steer the handlebar Shifting weight forward allows the rear wheels to turn easier and it also improves front wheel steering To make a turn...

Page 101: ...nd ride with caution If your ATV skids sideways during a turn steer in the direction of the skid Avoid hard braking or accelerating until you have regained directional control Skidding or Sliding WARN...

Page 102: ...t wheels to help keep them on the ground To do this shift your body slightly forward on the seat and lean forward For greater weight shift move your body farther forward and lean forward Riding Up Hil...

Page 103: ...ear and speed for the conditions Maintain a steady speed as you ascend the hill Never open the throttle suddenly or make sudden gear changes The ATV could flip over backward Never go over the top of a...

Page 104: ...n the engine off 4 Then assess the situation If the ATV starts rolling backwards before you begin braking 1 Keep your weight uphill 2 Carefully apply the front brakes first then carefully apply the re...

Page 105: ...own the hill Make sure your intended path is clear in case you lose control of the ATV 1 Stand with your body facing downhill beside the vehicle so you can reach the rear brake lever parking brake lev...

Page 106: ...and survey the terrain below Never ride past the limit of your visibility Never go down a hill at high speed Riding Down Hills WARNING 3WARNING Going down a hill improperly could cause loss of control...

Page 107: ...wheels Remember braking effectiveness is reduced on any hill with a loose surface Riding on hills or slopes is different from riding on level terrain Be careful when riding on any hill Make sure that...

Page 108: ...ou may also need to steer slightly uphill to maintain a straight course across the slope Avoid crossing hills that are excessively steep slippery or rough Making Turns on Slopes Compared to riding on...

Page 109: ...and be prepared to stop Never try to ride over large obstacles such as large rocks or fallen logs Riding Over Obstacles WARNING 3WARNING Improperly operating over obstacles could cause loss of contro...

Page 110: ...l slopes 2 Proceed through the water at a slow steady speed 3 Watch out for submerged obstacles and slippery rocks 4 Avoid getting the spark plug or air cleaner wet as this would cause the engine to s...

Page 111: ...ing through water can make the brakes less effective than normal and may reduce stopping ability If necessary apply the brakes repeatedly until they dry out and operate normally 19 TRX420FA5 FA6 31HR7...

Page 112: ...arking brake When using the parking brake be sure to turn the ignition switch to OFF w to avoid discharging the battery Parking on a Steep Incline or a Loose or Slippery Surface If you must park your...

Page 113: ...tection Agency EPA and Environment Climate Change Canada ECCC see page 238 USA only Maintenance replacement or repair of the emission control devices and systems may be performed by any ATV repair est...

Page 114: ...Front Final Gear Oil 137 Coolant 139 Air Cleaner 146 Engine Throttle 152 Reverse Inhibitor System 154 Spark Plug 155 Valves 158 Spark Arrester 159 Chassis Suspension 160 Brakes 163 Tires 172 Guards 17...

Page 115: ...service intervals in this schedule are based on average riding conditions Frequent servicing of the air cleaner is especially important to help you avoid a possible costly engine repair If your ATV o...

Page 116: ...technician or other qualified mechanic Instructions are included in this manual only to assist in emergency service Some of the most important safety precautions follow However we cannot warn you of...

Page 117: ...the tools and skills required To reduce the possibility of a fire or explosion be careful when working around gasoline Use only non flammable solvent not gasoline to clean parts Keep cigarettes sparks...

Page 118: ...echanical skills and hand tools Procedures for these items are provided in this manual Other items involve more extensive procedures and may require special training tools and equipment We recommend t...

Page 119: ...intenance Schedule Notes Procedures NOTES 1 Service more frequently when riding in dusty areas sand or snow 2 Service more frequently after riding in very wet or muddy conditions 3 Replace every 2 yea...

Page 120: ...ST INITIAL REGULAR Refer to page MAINT MAINT INTERVAL mi 100 600 1200 km 150 1000 2000 MONTH 1 6 12 ITEMS NOTE HOURS 20 100 200 FUEL LINE I THROTTLE OPERATION I 152 AIR CLEANER NOTE 1 C C 146 AIR CLEA...

Page 121: ...L mi 100 600 1200 km 150 1000 2000 MONTH 1 6 12 ITEMS NOTE HOURS 20 100 200 DRIVETRAIN BOOTS I I 182 FRONT REAR FINAL GEAR OIL R EVERY 2 YEARS I 134 137 2WD 4WD SELECT SYSTEM I BRAKE FLUID NOTE 3 I I...

Page 122: ...00 mile 150 km or 1 month or 20 hours initial maintenance is considered a normal owner operating cost and will be charged for by your dealer Use the space under Notes to record anything you want to re...

Page 123: ...Maintenance Component Locations front brake fluid reservoir front brake lever P R Lever fuel fill cap throttle lever reverse assist lever rear brake lever parking brake lever 19 TRX420FA5 FA6 31HR764...

Page 124: ...load adjuster front brake caliper rear brake light switch rear brake pedal engine oil filter front final gear oil drain bolt air cleaner engine oil fill cap front final gear oil fill cap rear brake f...

Page 125: ...er spark plug engine oil dipstick engine oil drain bolt rear final gear oil drain bolt rear final gear oil fill cap fuse box main fuse 1 air pressure gauge main fuse 2 coolant reserve tank EPS fuse TR...

Page 126: ...e tool kit or the gear change tool be sure to use the rubber band 3 to fasten the tool kit and the gear change tool securely An optional larger tool kit may be available Check with your dealer s parts...

Page 127: ...er 3 The owner s manual and air pressure gauge 4 should be stored in the plastic document bag and fastened with the rubber band 5 To remove the rear fender cover see page 121 Be careful not to flood t...

Page 128: ...ner s manual and air pressure gauge Removal 1 Pull the seat latch 1 at the rear of the seat 2 Slide the seat 2 back and lift it Installation 1 Insert the front prongs 3 into the backside of the tank c...

Page 129: ...engine oil filter and spark plug maintenance Removal 1 Remove the seat page 118 2 Remove the prongs 1 from the grommets 2 3 Remove the tank cover assembly 3 by releasing the tabs A 4 and tabs B 5 2 1...

Page 130: ...all the parts in the reverse order of removal Make sure that all prongs and tabs are installed securely in position 2 1 2 1 prongs 2 grommets 3 tank cover assembly 4 tabs A 5 tabs B 4 5 2 LEFT SIDE 3...

Page 131: ...e Removal 1 Remove the seat page 118 2 Unhook the rubber strap 1 3 Firmly pull the prongs 2 from their grommets 3 4 Slide the rear fender cover 4 forward to disengage the tabs 5 5 Remove the rear fend...

Page 132: ...ull up the center pin to release the lock 2 Pull out the clip of the hole Installation 1 Insert the clip into the hole 2 Press down the center pin securely to lock the clip 1 2 1 2 19 TRX420FA5 FA6 31...

Page 133: ...uels see page 242 Use of lower octane gasoline can cause persistent pinging or spark knock a loud rapping noise which if severe can lead to engine damage Light pinging experienced while operating unde...

Page 134: ...4 9 When there is only one segment left in the fuel gauge page 25 fuel will be low and you should refuel as soon as possible Refer to Safety Precautions on page 107 Fuel Capacity Refueling Procedure...

Page 135: ...a Genuine replacement part or equivalent NOTICE Gasoline can damage the camouflage coating Do not allow spilled gasoline to pool on camouflage colored bodywork Also do not allow gasoline soaked rags t...

Page 136: ...t Changing oil helps get rid of dirt and deposits in the engine Operating the engine with old or dirty oil can damage your engine Running the engine with insufficient oil can cause serious damage to t...

Page 137: ...rcular API energy conserving or resource conserving service label on the container They may affect lubrication and clutch performance Do not use non detergent vegetable or castor based racing oils Oil...

Page 138: ...ed range JASO T 903 standard The JASO T 903 standard is an index for engine oils for 4 stroke motorcycle engines There are two classes MA and MB Oil conforming to the standard is labeled on the oil co...

Page 139: ...he engine idle for an additional 5 minutes a total of 10 minutes 3 Stop the engine and wait 2 3 minutes 4 Remove the oil check lid 1 5 Remove the dipstick 2 from the front left crankcase cover and wip...

Page 140: ...over and add the specified oil into the fill cap hole up to the upper level mark on the dipstick Do not over fill 8 Reinstall the oil fill cap and dipstick 9 Install the tank cover assembly 10 Install...

Page 141: ...or disposing of the drained fluid page 202 If you do not have the skills or the tools see your dealer Change the oil with the engine warm to assure complete and rapid draining Drain the Engine Oil 1 W...

Page 142: ...filter of equivalent quality specified for your model Using the wrong Honda filter or a non Honda filter which is not of equivalent quality may cause engine damage 3 Install a new oil filter with the...

Page 143: ...5 N m 2 5 kgf m 2 Fill the crankcase with the recommended grade oil approximately 3 8 US qt 3 6 3 Reinstall the oil fill cap and dipstick 4 Start the engine and let it idle for 3 5 minutes 5 Stop the...

Page 144: ...il with the rear final gear at normal operating temperature to assure complete and rapid draining Oil Recommendation type hypoid gear oil viscosity weight SAE 80W 90 suggested oil Honda shaft drive oi...

Page 145: ...O ring 3 drain bolt and sealing washer 4 4 After the oil has completely drained reinstall the drain bolt with a new sealing washer and tighten it to the specified torque 9 lbf ft 12 N m 1 2 kgf m 4 1...

Page 146: ...n hole 5 6 Coat a new O ring with grease and install it into the fill cap groove and tighten it to the specified torque 9 lbf ft 12 N m 1 2 kgf m 7 Pour the drained oil into a suitable container and d...

Page 147: ...il with the front final gear at normal operating temperature to assure complete and rapid draining Oil Recommendation type hypoid gear oil viscosity weight SAE 80W 90 suggested oil Honda shaft drive o...

Page 148: ...il into a suitable container and dispose of it in an approved manner page 202 NOTICE Improper disposal of drained fluids is harmful to the environment 6 Fill the front final gear with the recommended...

Page 149: ...abel Use only distilled water as a part of the coolant solution Water that is high in mineral content or salt may be harmful to the aluminum engine NOTICE Using coolant with silicate inhibitors may ca...

Page 150: ...107 Check the engine coolant level each day before operating your ATV and add if needed 1 Make sure the vehicle is on level ground 2 With the engine at normal operating temperature check the coolant l...

Page 151: ...tempt to add coolant by removing the radiator cap 4 Add coolant to the reserve tank as required to bring the coolant level to the UPPER level mark 5 After adding coolant install the parts in the rever...

Page 152: ...46 To properly dispose of drained coolant refer to You the Environment page 202 NOTICE Improper disposal of drained fluids is harmful to the environment Coolant Replacement WARNING 3WARNING Removing t...

Page 153: ...radiator grill cover 1 Unhook the reserve tank tube 1 2 Remove the reserve tank 2 from the left radiator grill cover 3 by removing the bolt 4 and clip 5 3 Remove the clips 6 4 Unhook the tab A 7 and t...

Page 154: ...8 1 1 reserve tank tube 2 reserve tank 4 bolt 5 clip 6 clips LEFT FRONT 7 tab A 8 tab B 9 center radiator grill cover hook 9 2 3 left radiator grill cover 3 6 5 4 7 19 TRX420FA5 FA6 31HR7640 book Pag...

Page 155: ...cover hook 11 8 Wash the radiator core 12 and center radiator grill cover 9 Install the removed parts in reverse order of removal 7 7 tab A 8 tab B RIGHT FRONT 8 10 center radiator grill cover 11 cent...

Page 156: ...ervice interval for your riding conditions Your ATV s air cleaner has very specific performance requirements Use a new Honda Genuine air cleaner specified for your model or an air cleaner of equal qua...

Page 157: ...at page 118 2 Unlatch the spring hooks 1 and retainer clips 2 3 Remove the air cleaner housing cover 3 Cleaning UNDER SEAT 1 spring hooks 3 air cleaner housing cover 1 2 2 3 2 retainer clips 19 TRX420...

Page 158: ...the air cleaner Replace the air cleaner if it is damaged 9 Allow the air cleaner to dry thoroughly before applying oil A wet air cleaner will not fully absorb the oil 10 Pour clean Pro Honda Foam Fil...

Page 159: ...to the air cleaner housing 14 Fasten the screw 15 Reassemble by reversing the disassembly sequence Install the air cleaner housing cover with the FRONT mark 9 facing forward and fit the cut out of the...

Page 160: ...leaner Do not push the dust cover 1 too far into the breather joint 2 If the dust cover is dirty clean it Dust Cover UNDER SEAT 1 2 1 dust cover 2 breather joint 19 TRX420FA5 FA6 31HR7640 book Page 15...

Page 161: ...posits can be seen in the drain tube the tube must be cleaned before starting the vehicle 1 Remove the drain tube 1 by removing the clip 2 under the air cleaner housing 3 2 Drain the deposits 3 Reinst...

Page 162: ...Turn the adjuster to obtain the correct freeplay 4 Tighten the lock nut and reinstall the sleeve 5 After adjustment check for smooth operation of the throttle lever from fully closed to fully open in...

Page 163: ...ions If there is a problem see your dealer 3 Inspect the condition of the throttle cable from the throttle lever down to the throttle body If the cable is kinked or chafed have it replaced 4 Check the...

Page 164: ...sting nut 5 to obtain the correct freeplay After adjustment tighten the lock nut securely 4 Return the dust cover and rubber sleeve Other Checks Check the reverse assist lever and cable for loose conn...

Page 165: ...odes and center porcelain for deposits corrosion or carbon fouling If the corrosion or deposits are heavy replace the plug Clean a carbon or wet fouled plug with a plug cleaner if available or a wire...

Page 166: ...eading 9 Tighten the spark plug If the old plug is good 1 8 turn after it seats If installing a new plug tighten it twice to prevent loosening a First tighten the plug b Then loosen the plug c Next ti...

Page 167: ...plug is too loose the piston may be damaged If a plug is too tight the threads may be damaged 10 Connect the spark plug cap Take care to avoid pinching any cables or wires 11 Install the remaining pa...

Page 168: ...r and possibly damage the valves For those who are mechanically proficient and have the proper tools instructions on adjusting valve clearances are given in the official Honda Service Manual Otherwise...

Page 169: ...nment The use of safety glasses is recommended for this procedure Because of the possible fire hazard check that there are no combustible materials in the area before purging the spark arrester 1 Sele...

Page 170: ...ubtracting cargo accessories or when riding conditions change The way you ride your ATV and the type of ride you want to experience can also influence your suspension needs Lower spring pre load provi...

Page 171: ...juster 1 has 5 positions for different load or riding conditions Use the pin spanner 2 to adjust the shock spring pre load Suspension Spring Pre Load 1 FRONT REAR 2 1 2 1 2 3 4 5 1 2 3 4 5 1 spring pr...

Page 172: ...y loaded Also increase spring pre load for stiffer suspension Make sure that both shock absorbers are adjusted to the same position Always adjust the shock absorber position in sequence 1 2 3 4 5 or 5...

Page 173: ...er or brake pedal freeplay does not feel within the normal range while riding check the brake pads for wear page 167 Worn pads should be replaced If the pads are not worn beyond the recommended limit...

Page 174: ...the system as soon as possible NOTICE Brake fluid can damage plastic and painted surfaces Handle with care Wipe up spills immediately Avoid brake fluid contact with skin or eyes If it comes in contac...

Page 175: ...bove the LOWER level mark 1 If the level is at or below the LOWER level mark check the brake pads for wear page 167 Worn brake pads should be replaced If the pads are not worn have your brake system i...

Page 176: ...e pads for wear page 167 Worn brake pads should be replaced If the pads are not worn have your brake system inspected for leaks Make sure there are no fluid leaks Check for deterioration or cracks in...

Page 177: ...gular service intervals to determine the pad wear Check the wear indicator 1 If the wear indicator aligns with the edge of the reference mark 2 both pads must be replaced see your dealer for this repl...

Page 178: ...ndicator 1 If the wear indicator aligns with the reference mark 2 both pads must be replaced see your dealer for this replacement RIGHT REAR 2 1 1 wear indicator 2 reference mark 19 TRX420FA5 FA6 31HR...

Page 179: ...r 1 moves before the brake starts to take hold Freeplay measurement at the tip of the end of the brake lever should be 1 1 3 16 in 25 30 mm 3 If necessary adjust to the specified range Rear Brake Leve...

Page 180: ...e arm pin 3 Check that the brake lever and brake pedal assemblies are positioned properly and the securing bolts are tight Make sure that the brake cables brake arm spring P R lever and fasteners are...

Page 181: ...from time to time Adjustment is done by turning the adjusting nut 2 Hold the rear brake light switch and turn the nut in direction A if the switch operates too late and in direction B if the switch o...

Page 182: ...lect your riding area with care The following pages give detailed information on how and when to check your air pressure how to inspect your tires for wear and damage and our recommendations for tire...

Page 183: ...y underinflated tires wear unevenly adversely affect handling and are more likely to fail from being overheated Overinflated tires make your ATV ride harshly are more prone to damage from surface haza...

Page 184: ...s will be higher If you let air out of warm tires to match the recommended cold tire pressures the tires will be underinflated Be sure to check tire pressure at the riding site since changes in altitu...

Page 185: ...o look for Bumps or bulges in the side of the tire or the tread Replace any tire that has a bump or bulge Cuts slits or cracks in the tires Replace the tire if you can see fabric or cord Nails or othe...

Page 186: ...the groove depth 1 in the center of the tire or check the wear indicator 2 For best performance you should replace a tire before the tread depth at the center reaches the following limits front 3 16 i...

Page 187: ...or permanently repaired as soon as possible For more information on temporary repairs see If You Have a Flat Tire page 214 A permanent repair such as an internal plug patch can be made if a tire has o...

Page 188: ...ire The recommended tires for your ATV are When you replace a tire remember Have the tire replaced by your dealer if possible If you have a tire professionally replaced at a non Honda facility we reco...

Page 189: ...ar final gear case Check the guard and plate for cracks damage or looseness at intervals shown in the Maintenance Schedule Have the engine guard and skid plate replaced if they are cracked or damaged...

Page 190: ...iveshaft guards 2 for cracks damage or looseness Tighten any loose fasteners Replace the front boot guards and front driveshaft guards as required Front Boot Guards Front Driveshaft Guards 1 front boo...

Page 191: ...tions on page 107 Check the rear boot guards 1 for cracks damage or looseness Tighten any loose fasteners Replace the rear boot guards as required Rear Boot Guards 1 1 rear boot guards 19 TRX420FA5 FA...

Page 192: ...Check the propeller shaft boots 1 and yoke joint boot 2 for damage or leaking grease If necessary have your dealer replace them Propeller Shaft Boots Yoke Joint Boot 1 1 propeller shaft boots 2 yoke j...

Page 193: ...s on page 107 Check the driveshaft boots 1 for cuts damage or leaking grease If necessary have your dealer replace them Front Driveshaft Boots Rear Driveshaft Boots 1 1 driveshaft boots 1 FRONT REAR 1...

Page 194: ...ectrical accessories on your ATV or do not ride frequently we recommend that you charge the battery frequently see Battery Charging page 188 If you do not expect to ride your ATV for at least two week...

Page 195: ...ving the battery and slow charging it every 30 days see Battery Charging page 188 Before you remove the battery be sure to read all the information that follows as well as the information on the batte...

Page 196: ...the rear fender cover page 121 4 Release the rings and remove the rubber band 1 5 Disconnect the negative terminal lead 2 from the battery 3 first then disconnect the positive terminal lead 4 4 1 rubb...

Page 197: ...partment 10 Slow charge the battery see following section once every 30 days Installation 1 Check that the battery rubber 6 for damage If necessary replace the battery rubber 2 Make sure the battery r...

Page 198: ...r Honda which can be purchased from your dealer These units can be left connected for long periods without risking damage to the battery However do not intentionally leave the charger connected longer...

Page 199: ...damage the metal paint plastic and camouflage coating on your ATV Honda MUV If your ATV is still warm from recent operation give the engine and exhaust system time to cool off Park in a shady area Was...

Page 200: ...ft towel As you wash check for heavy grime If necessary use a mild cleaner degreaser to remove the grime 5 After washing rinse your ATV thoroughly with plenty of clean water to remove any residue Dete...

Page 201: ...nd clear plastic Light road grimes Spray any difficult to reach or very dirty areas with a spray cleaner degreaser Rinse and dry Apply a spray cleaner polish and wipe with a non abrasive cloth Heavy g...

Page 202: ...page 231 when you buy touch up paint If the frame has a chip that exposes the metal first apply primer to prevent corrosion and then apply the touch up paint Several thin layers of touch up paint are...

Page 203: ...be an environmentally responsible ATV owner Preparing for a Ride 194 What to Take to the Riding Area 194 What to Take on the Trail 195 Transporting Your Honda 196 Storing Your Honda 198 Preparation f...

Page 204: ...od sources of information Along with your ATV and riding gear you should take along some tools and supplies in case you have a problem For some of the difficulties you might encounter see Taking Care...

Page 205: ...help and how experienced you or your companions are in making repairs If you decide to take some tools spare parts or other supplies on the trail be sure you can carry them safely and know how to use...

Page 206: ...mend that you carry the vehicle in its normal operating position on all four wheels Do not incline the vehicle upright on its rear end This can damage the vehicle and leaking gasoline could be a hazar...

Page 207: ...nary rope is not recommended because it can stretch under load Using tie down straps in any other areas can damage your ATV 3 Rock the vehicle back and forth to make sure the tie down straps are tight...

Page 208: ...gotten and it will be easier to get your ATV running again For more information about storage refer to the Honda Winter Storage Guide available from your dealer USA only We suggest you perform the fol...

Page 209: ...following Remove the spark plug cap from the spark plug page 155 Remove the spark plug Do not connect the spark plug to the spark plug cap Pour a tablespoon 15 20 cc of clean engine oil into the cylin...

Page 210: ...a porous material Avoid using plastic or similar non breathing coated materials that restrict air flow and allow heat and moisture to accumulate NOTICE Do not store your ATV in an upright position for...

Page 211: ...ge the engine oil page 131 3 If your ATV has been stored for more than two months ask your dealer to drain and replace the fuel 4 Charge the battery page 188 as required Install the battery 5 Perform...

Page 212: ...ose Sensible Cleaners Use a biodegradable detergent when you wash your ATV Avoid aerosol spray cleaners that contain chlorofluorocarbons CFCs which damage the atmosphere s protective ozone layer Don t...

Page 213: ...section before you ride Also review the tips in Preparing for a Ride page 194 General Guidelines 204 If Your Engine Quits or Won t Start 206 If the Transmission Is Not Functioning Properly 209 Emerge...

Page 214: ...ause more damage and endanger your own safety After stopping take time to assess the situation Carefully inspect your ATV to identify the problem then consider your options before you decide what to d...

Page 215: ...our options before deciding what to do If the problem is relatively minor and you have the tools supplies and skills to make a temporary repair be sure to have permanent repairs made as soon as possib...

Page 216: ...ne or experience poor engine performance the following information may help you If you can t correct the problem see your dealer If your ATV won t start listen as you press the start button If you don...

Page 217: ...rge the battery page 188 If charging doesn t help see your dealer faulty starter motor If all possible causes are negative the starter motor may be faulty See your dealer SYMPTOM Starter motor works b...

Page 218: ...our dealer sooty exhaust rich fuel mixture See your dealer detonates or pings under load If applicable switch to the recommended octane gasoline page 123 or change your brand of gasoline If the proble...

Page 219: ...are functioning 5 If both switches are functioning shift into neutral and restart the engine If one or both switches are not functioning see Emergency Gear Selection Operation page 212 When the engin...

Page 220: ...osition 3 After the engine stops turn the ignition switch to the ON q position 4 Check the gear position indicator If these efforts do not restore proper operation have your ATV inspected by your deal...

Page 221: ...brake 3 Turn the ignition switch to the OFF w position 4 Loosen the screw 1 and release the lock plate 2 5 Turn the emergency valve 3 by the screwdriver using the inside of the front fender hole 4 all...

Page 222: ...ck the neutral indicator If the transmission is in neutral go to step 5 If the transmission is not in neutral use the gear change tool to shift to neutral so you will be able to start the engine Refer...

Page 223: ...ft rock the vehicle back and forth and try again Return the gear change tool to the storage location Do not attempt to shift gears manually using the gear change tool while riding If the transmission...

Page 224: ...ool tire cement and an instruction sheet Follow the instructions provided with the repair kit to make a temporary repair As soon as possible have the tire permanently repaired by your dealer Any tire...

Page 225: ...andle and if the tire comes off the rim it may lock up the wheel and cause you to crash WARNING 3WARNING Riding your ATV with a temporary tire repair can be risky If the temporary repair fails you can...

Page 226: ...ground and place a support block under the vehicle 4 Remove the wheel nuts 5 Remove the wheel Avoid getting grease oil or dirt on the front brake disc or pad surfaces when removing and installing eac...

Page 227: ...e wheel then lower the ATV to the ground before tightening the nuts in a crisscross rather than circular pattern to the specified torque 47 lbf ft 64 N m 6 5 kgf m If a torque wrench was not used for...

Page 228: ...ne off and wait until the steaming stops Look for a leak but don t touch the engine or radiator system Let everything cool off first Check for any restriction of air flow to the radiator If there s no...

Page 229: ...recommended oil page 131 to the upper level mark If you must leave your ATV to get oil secure it as much as possible Start the engine and check that the coolant temperature gauge and high coolant temp...

Page 230: ...ooking elsewhere for another possible cause of the problem Replace any blown fuses and check component operation The main fuse and the circuit fuses are located under the rear fender cover TRX420FA6 o...

Page 231: ...uses 2 Remove the seat page 118 3 Remove the rear fender cover page 121 4 To access the main fuses 2 3 and shift motor fuse 4 remove the fuse box cover 5 5 Pull the main fuse out If it is blown instal...

Page 232: ...ating If you do not have a replacement fuse with the proper rating for the circuit install one with a lower rating NOTICE Replacing a fuse with one that has a higher rating greatly increases the chanc...

Page 233: ...118 3 Remove the rear fender cover page 121 4 To access the EPS block fuse 1 remove the EPS fuse block cover 2 If the EPS block fuse is blown see your dealer for this service 5 Install the EPS fuse bo...

Page 234: ...replace a blown fuse with a spare fuse that has a lower rating replace the fuse with the correct rating as soon as you can Also remember to replace any spare fuses that were installed If the replacem...

Page 235: ...damage and determine if it is safe to ride Check the tightness of critical nuts and bolts securing such parts as the handlebar control levers brakes and wheels If there is minor damage or you are uns...

Page 236: ...a duplicate either get your spare or have one made If you don t know your key number call the dealer where you purchased your Honda ATV They may have it listed in their records If they don t transpor...

Page 237: ...d using the recoil starter 1 Turn the ignition switch to the ON I position 2 Check if the transmission is in neutral by moving the vehicle back and forth 3 If the transmission is in neutral the vehicl...

Page 238: ...plies you have with you If any component of the brake system is damaged you may be able to ride carefully back to your base using the other brake components for slowing or stopping If you damage a thr...

Page 239: ...ns capacities and other technical data plus information on government requirements and how to break in your ATV Vehicle Identification 230 Specifications 232 Break in Guidelines 237 Emission Control S...

Page 240: ...You may record these numbers in the Quick Reference section at the rear of this manual The VIN 1 is stamped on the front of the frame The engine number 2 is stamped on the upper side of the rear crank...

Page 241: ...left side of the frame The color code is helpful when ordering replacement parts You may record the color and code in the Quick Reference section at the rear of this manual Color Label Code LEFT SIDE...

Page 242: ...uding reserve fuel tank reserve 1 29 US gal 4 9 engine oil capacity after disassembly 4 2 US qt 4 0 after draining 3 6 US qt 3 4 after draining oil filter change 3 8 US qt 3 6 engine oil recommendatio...

Page 243: ...pacities passenger capacity operator only maximum weight capacity 485 lb 220 kg rider all cargo and accessories Engine Specifications displacement 25 6 cu in 420 cm3 bore stroke 3 4055 2 8150 in 86 50...

Page 244: ...ion ratio 1st 3 058 2nd 2 157 3rd 1 541 4th 1 178 5th 0 848 reverse 3 996 final drive shaft Chassis Suspension caster 2 trail 0 2 in 4 mm tire size front AT24 8 1211 MAXXIS M977 tire size rear AT24 10...

Page 245: ...light LED neutral indicator LED reverse indicator LED high coolant temperature indicator LED PGM FI indicator LED PS Electric Power Steering indicator TRX420FA6 only LED Fuses main 1 30 A main 2 10 A...

Page 246: ...12 N m 1 2 kgf m rear final gear oil drain bolt 9 lbf ft 12 N m 1 2 kgf m rear final gear oil fill cap 9 lbf ft 12 N m 1 2 kgf m front final gear oil drain bolt 9 lbf ft 12 N m 1 2 kgf m front final g...

Page 247: ...liability and performance by paying extra attention to how you ride during the first operating day or 15 miles 25 km During this period avoid full throttle starts rapid acceleration and constant rpm o...

Page 248: ...fe when operated and maintained according to the instructions provided The Vehicle Emission Control Information Label 1 is attached on the left front of the frame Canada only The Vehicle Emission Cont...

Page 249: ...carbon monoxide oxides of nitrogen and hydrocarbons Exhaust Emission Control System The exhaust emission control system includes a PGM FI system and oxygen sensor No adjustment to this system should b...

Page 250: ...Federal regulations prohibit removing or disabling a device or element of design that may affect your engine s emission performance unless your ATV will be used exclusively in competition If you modi...

Page 251: ...FOLLOWING ACTS Removal of or puncturing the muffler baffles header pipes or any other component which conducts exhaust gases Removal of or puncturing of any part of the intake system Lack of proper ma...

Page 252: ...to be posted on the pump The following are the EPA approved percentages of oxygenates for non road vehicles ETHANOL ethyl or grain alcohol up to 10 by volume You may use gasoline containing up to 10 e...

Page 253: ...l system If you notice any undesirable operating symptoms try another service station or switch to another brand of gasoline Fuel system damage or performance problems resulting from the use of an oxy...

Page 254: ...Technical Information 244 19 TRX420FA5 FA6 31HR7640 book Page 244 Tuesday May 29 2018 10 11 AM...

Page 255: ...section contains information on your warranty and how to get an official Honda service manual Authorized Manuals 246 Warranty Coverage 247 Warranty Service 248 Contacting Honda 249 Your Honda Dealer 2...

Page 256: ...your Honda motorcycle scooter ATV and SxS for winter storage These Honda manuals are written for the professional technician but most mechanically capable owners should find them easy to use if they...

Page 257: ...a ca It is important to realize that your warranty applies to defects in material or workmanship of your Honda Your warranty coverage does not apply to normal wear or deterioration associated with usi...

Page 258: ...If the problem is covered under warranty your dealer will perform the warranty repairs for you If you have questions about warranty coverage or the nature of the repair it is best to talk to the Serv...

Page 259: ...ment on your experiences with your Honda or with your dealer please send your comments to the following address Motorcycle Division American Honda Motor Co Inc P O Box 2200 Torrance CA 90509 2200 mail...

Page 260: ...ada only The same quality that went into your Honda can be found in Honda Genuine replacement parts You ll also find comparable quality in the accessories and products available from the parts departm...

Page 261: ...Consumer Information 251 19 TRX420FA5 FA6 31HR7640 book Page 251 Tuesday May 29 2018 10 11 AM...

Page 262: ...50 appearance care 189 authorized manuals 246 B bank angle sensor ignition cut off system 75 battery 184 brake light switch adjustment 171 brakes cables 170 fluid 163 front brake lever 42 pad wear 167...

Page 263: ...tool kit 116 component fails 228 consumer information 245 controls features 34 coolant temperature gauge 29 crash if you 225 crossing or turning on hills or slopes 97 customer service 249 D digital c...

Page 264: ...tarting 72 stop switch 36 stopping 77 won t start 206 environment 202 exhaust system cleaning 56 purging 159 F final gear front 137 rear 134 flag pole bracket 45 flat tire 214 flooded engine 75 front...

Page 265: ...e 123 gear shifting 79 gearshift switch 41 guards 179 H headlight dimmer switch 37 headlight switch 37 high coolant temperature indicator 14 17 218 hills crossing or turning on slopes 97 riding down h...

Page 266: ...GM FI indicator 14 17 PS Electric Power Steering indicator TRX420FA6 only 14 17 reverse indicator 14 17 inspection pre ride 55 K key lost 226 number 226 kit tool 116 L labels safety 5 lamp check 15 le...

Page 267: ...ght limit 60 mode button 14 19 modifications 63 multi function display 20 N neutral indicator 14 17 noise emission control system 241 numbers serial 230 O obstacles riding over 99 odometer 28 oil engi...

Page 268: ...2 protective apparel 50 EPS Electric Power Steering TRX420FA6 only 48 R rear boot guards 181 rear driveshaft boots 183 rear final gear oil 134 recoil starter Canada only 38 78 removal rear fender cove...

Page 269: ...abels 5 riding precautions 67 schedule maintenance 108 seat removal 118 select lever 2WD 4WD 35 serial numbers 230 service customer 249 manuals 246 warranty 248 shifting gears 79 skid plate 179 skiddi...

Page 270: ...spension adjustment 160 spring pre load 161 switch downshift 41 82 drive mode select 40 engine stop 36 headlight 37 headlight dimmer 37 ignition 34 upshift 41 82 T throttle cable 152 153 lever 39 152...

Page 271: ...pected 203 troubleshooting starting 206 turning on hills or slopes 97 on level ground 89 V valve clearance 158 vehicle identification no VIN 230 W warning labels 5 warranty coverage 247 extended 248 s...

Page 272: ...pensive component to repair Proper maintenance especially the use of the recommended fluids and filters prevents premature wear and damage Frequent causes of costly repairs are Engine oil insufficient...

Page 273: ...ference Quick Reference Engine No VIN Color Label Owner s Name Address City State Phone Dealer s Name Address City State Phone Service Mgr 19 TRX420FA5 FA6 31HR7640 book Page 269 Tuesday May 29 2018 1...

Page 274: ...ist lever switches steering Fuel Capacity unleaded gasoline pump octane number 86 or higher 3 88 US gal 14 7 reserve 1 29 US gal 4 9 Engine Oil Capacity API Service Classification SG or higher except...

Page 275: ...standard BKR5E 11 NGK or K16PR U11 DENSO Coolant ethylene glycol antifreeze silicate free for aluminum engines in 50 50 solution with Pro Honda HP Coolant or an equivalent distilled water Fuses main 1...

Page 276: ...switch 36 y ON headlight switch 37 t OFF headlight switch 37 u HI headlight dimmer switch 37 i LO headlight dimmer switch 37 AUTO automatic shift mode drive mode select switch 40 ESP manual shift mode...

Page 277: ...are known to the State of California to cause cancer and birth defects or other reproductive harm To minimize exposure avoid breathing exhaust do not idle the engine except as necessary service your v...

Page 278: ...PRINTED IN USA WPCXXXX 2018 XX 19 00X31 HR7 6400 31HR7640...

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