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Service Data

Tyre size

Front

2.50-18 40L

Rear

2.75-18 48P

Tyre type

Bias-ply, tube

Recommended

Tyre

Front

MBPSTAR MM-19

Rear

MBPSTAR MM-55

Tyre air pressure

(Driver only)

Front

175 kPa (1.75 kgf/cm

2

, 25 psi)

Rear

200 kPa (2.00 kgf/cm

2

, 29 psi)

Tyre air pressure

(Driver and

passenger)

Front

175 kPa (1.75 kgf/cm

2

, 25 psi)

Rear

280 kPa (2.80 kgf/cm

2

, 41 psi)

Spark plug

(standard)

DPR8EA-9 (NGK)
X24EPR-U9 (DENSO)

(For

extended

high speed

riding)

DPR9EA-9 (NGK)

X27EPR-U9 (DENSO)

Spark plug gap

0.8 - 0.9 mm (0.03 - 0.04 in)

Idle speed

1,400 ± 100 rpm

Recommended

engine oil

Honda 4-stroke motorcycle oil API Service

Classification SG or higher, excluding oils

marked as “Energy Conserving” or “Resource

Conserving,” SAE 10W-30, JASO T 903

standard MA

Engine oil capacity

After

draining

0.9 L (1.0 US qt, 0.8 Imp qt)

After

draining &

cleaning

strainer

screen

0.9 L (1.0 US qt, 0.8 Imp qt)

After

disassembly 1.1 L (1.2 US qt, 1.0 Imp qt)

Recommended drive

chain lubricant

Drive chain lubricant
If not available, use SAE 80 or 90 gear oil.

Drive chain slack 15 - 25 mm (0.6 - 1.0 in)
Standard drive

chain

KMC428HDF or RK-M 428H
No. of links 104

Standard sprocket

size

Drive

sprocket

15T

Driven

sprocket

38T

Specifications

Specifications

87

Summary of Contents for TMX 125a CCG125 2021

Page 1: ......

Page 2: ...latest production information available before printing Honda Motor Co Ltd reserves the right to make changes at any time without notice and without incurring any obligation No part of this publicatio...

Page 3: ...tion for building quality into every product To ensure your safety and riding pleasure Read this owner s manual carefully Follow all recommendations and procedures contained in this manual Pay close a...

Page 4: ...aintaining a vehicle You must use your own good judgement You will find important safety information in a variety of forms including Safety labels on the vehicle Safety Messages preceded by a safety a...

Page 5: ...Contents Vehicle Safety P 2 Operation Guide P 14 Maintenance P 31 Troubleshooting P 64 Information P 74 Specifications P 86...

Page 6: ...Labels P 6 Safety Precautions P 8 Riding Precautions P 9 Accessories Modifications P 12 Loading P 13 This section contains important information for safe riding of your vehicle Please read this secti...

Page 7: ...t you are physically fit mentally focused and free of alcohol and drugs Check that you and your passenger are both wearing an approved helmet and protective apparel Instruct your passenger on holding...

Page 8: ...very additional drink The same is true for drug use Don t drink or use and ride and don t let your friends do it either Keep Your Honda in Safe Condition It s important to keep your vehicle properly m...

Page 9: ...sonous carbon monoxide a colourless odorless gas Breathing carbon monoxide can cause loss of consciousness and may lead to death If you run the engine in confined or even partly enclosed area the air...

Page 10: ...h label The meanings of each symbol and label are as follows Read instructions contained in Owner s Manual carefully Read instructions contained in Shop Manual carefully In the interest of safety take...

Page 11: ...hey understand proper handling and hazards of the battery very well Handle the battery electrolyte with extreme care as it contains dilute sulfuric acid Contact with your skin or eyes can burn you or...

Page 12: ...e to weather and road conditions Helmet Safety standard certified high visibility correct size for your head Must fit comfortably but securely with the chin strap fastened Face shield with unobstructe...

Page 13: ...ng can reduce the vehicle s stability u Where possible reduce speed before turning otherwise you risk sliding out Exercise caution on low traction surfaces u The tyres slip more easily on such surface...

Page 14: ...Park on a firm level surface If you must park on a slight incline or loose surface park so that the vehicle cannot move or fall over Make sure that high temperature parts cannot come into contact with...

Page 15: ...e the key 5 Lock the steering 2 P 22 6 Turn the fuel valve to the Off position Refuelling and Fuel Guidelines Follow these guidelines to protect the engine fuel system and catalytic converter Use only...

Page 16: ...public roads Before deciding to install accessories on your vehicle be certain the modification is safe and legal 3WARNING Improper accessories or modifications can cause a crash in which you can be s...

Page 17: ...d load limits Maximum weight capacity Maximum weight on rear carrier 2 P 86 Tie all luggage securely evenly balanced and close to the centre of the vehicle Do not place objects near the lights or the...

Page 18: ...e gradually Obey the speed limit Shift Change P 27 How to use basic features Instruments P 18 Indicators P 19 Switches P 20 Steering Lock P 22 Starting the Engine P 24 Start and warm the engine Avoid...

Page 19: ...e applied the brakes Parking P 10 Stopping If pulling off the road signal early enough to show traffic that you are pulling over and pull over smoothly Turning Corners Do your braking before entering...

Page 20: ...Parts Location Operation Guide 16 Throttle grip P 63 Engine oil fill cap dipstick P 50 Kickstarter P 24 Brakelight switch P 57 Front brake lever P 52 Rear brake pedal P 52 Steering lock P 22...

Page 21: ...uide 17 Fuel fill cap P 28 Drive chain P 59 Side stand P 58 Clutch lever P 60 Fuel valve P 23 Centre stand P 10 Battery P 47 Fuse holder P 72 Shift lever P 27 Choke lever P 24 Left Side cover P 49 Too...

Page 22: ...ide 18 Total distance ridden Odometer Tachometer Speedometer Tachometer red zone excessive engine rpm range NOTICE Do not operate the engine in the tachometer red zone Excessive engine speed can adver...

Page 23: ...it should have your dealer check for problems Operation Guide 19 Left turn signal indicator High beam indicator Neutral indicator Comes on when the transmission is in Neutral Right turn signal indica...

Page 24: ...Switches Operation Guide 20 Headlight dimmer switch High beam Low beam u Pressing the switch turns the turn signal off Turn signal switch Start button Horn button...

Page 25: ...Operation Guide 21 Continued Ignition switch Switches the electrical system on off u Key can be removed when in the Off position On Turns electrical system on for starting riding Off Turns engine off...

Page 26: ...e handlebar all the way to the left b Insert the ignition key in the lock and turn it 180 degrees clockwise u Jiggle the handlebar if the lock is difficult to engage c Remove the key Unlocking Insert...

Page 27: ...e is used to control the flow of fuel from the fuel tank to the carburetor On normal position for riding Off for parking storing or transportation Res for extra fuel to get to a gas station for refuel...

Page 28: ...ition and wait 10 seconds before trying to start the engine again to recover battery voltage Extended fast idling and revving the engine can damage the engine and the exhaust system Do not operate the...

Page 29: ...ick from the top of the stroke through to the bottom with a rapid continuous motion f Immediately after the engine starts push the choke lever down to the halfway position g Warm up the engine by open...

Page 30: ...ne by opening and closing the throttle slightly c Continue warming up the engine until it runs smoothly and responds to the throttle when the choke lever is at fully off If the engine does not start a...

Page 31: ...Shifting Gears Your vehicle transmission has 5 forward gears five down shift pattern Operation Guide 27...

Page 32: ...ty 2 5 L 0 66 US gal 0 55 Imp gal The tank should be refilled as soon as possible after switching to reserve and the fuel valve should be returned to the On position after refuelling to avoid running...

Page 33: ...cap faces forward b Turn the ignition key counterclockwise until it stops and remove it u The key cannot be removed if the cap is not locked c Close the lock cover 3WARNING Petrol is highly flammable...

Page 34: ...it The tool kit is in the compartment box behind the left side cover Removing the Left Side Cover P 49 Rear Carrier Never exceed the maximum weight limit Maximum Weight 3 0 kg 6 6 lb Operation Guide 3...

Page 35: ...lling Body Components P 47 Battery P 47 Left Side Cover P 49 Engine Oil P 50 Brakes P 52 Side Stand P 58 Drive Chain P 59 Clutch P 60 Throttle P 63 Please read Importance of Maintenance and Maintenanc...

Page 36: ...and maintenance recommendations and schedules in this owner s manual Maintenance Safety Always read the maintenance instructions before you begin each task and make sure that you have the tools parts...

Page 37: ...ements Keep an accurate record of maintenance to help ensure that your vehicle is properly maintained Make sure that whomever performs the maintenance completes this record All scheduled maintenance i...

Page 38: ...Oil Centrifugal Filter Engine Idle Speed Secondary Air Supply System Secondary Air Supply Pair Filter 4 3 Years Maintenance Level Maintenance Legend Intermediate We recommend service by your dealer u...

Page 39: ...ch 57 Headlight Aim Lights Horn Clutch System 60 Side Stand 58 Suspension Nuts Bolts Fasteners Wheels Tyres 43 Steering Head Bearings Notes 1 At higher odometer reading repeat at the frequency interva...

Page 40: ...k when necessary 2 P 28 Throttle Check for smooth opening and full closing in all steering positions 2 P 63 Engine oil level Add engine oil if necessary Check for leaks 2 P 50 Drive chain Check condit...

Page 41: ...ce free type battery You do not have to check the battery electrolyte level or add distilled water Clean the battery terminals if they become dirty or corroded Do not remove the battery cap seals Ther...

Page 42: ...u Remove affected clothing and wash your skin thoroughly using water Electrolyte splashes into your mouth u Rinse mouth thoroughly with water and do not swallow 3WARNING The battery gives off explosi...

Page 43: ...th a wire brush or sandpaper Wear safety glasses 4 After cleaning reinstall the battery The battery has a limited life span Consult your dealer about when you should replace the battery Always replace...

Page 44: ...a fuse fails repeatedly you likely have an electrical fault Have your vehicle inspected by your dealer Engine Oil Engine oil consumption varies and oil quality deteriorates according to riding conditi...

Page 45: ...PI service symbol Drive Chain The drive chain must be inspected and lubricated regularly Inspect the chain more frequently if you often ride on bad roads ride at high speed or ride with repeated fast...

Page 46: ...chain is dirty After cleaning wipe dry and lubricate with the recommended lubricant Recommended lubricant Drive chain lubricant If not available use SAE 80 or 90 gear oil Never use petrol or low flas...

Page 47: ...air pressure when your tyres are cold Inspecting for Damage Inspect the tyres for cuts slits or cracks that exposes fabric or cords or nails or other foreign objects embedded in the side of the tyre o...

Page 48: ...tely 3WARNING Riding on tyres that are excessively worn or improperly inflated can cause a crash in which you can be seriously hurt or killed Follow all instructions in this owner s manual regarding t...

Page 49: ...and load range Remember to replace the inner tube whenever you replace a tyre The old tube will probably be stretched and it could fail if installed in a new tyre 3WARNING Installing improper tyres o...

Page 50: ...the compartment box 2 P 30 You can perform some roadside repairs minor adjustments and parts replacement with the provided tools Spark plug wrench 10 14 mm Open end wrench No 2 Phillips screwdriver N...

Page 51: ...the battery holder 4 Remove the battery holder by removing the battery holder bolt 5 Disconnect the negative terminal from the battery 6 Disconnect the positive terminal from the battery 7 Remove the...

Page 52: ...itive terminal first Make sure that bolts and nuts are tight Tighten the battery holder bolt Torque 1 8 N m 0 2 kgf m 1 3 lbf ft For proper handling of the battery see Maintenance Fundamentals 2 P 37...

Page 53: ...lly pull the side cover out from the grommets and release the hook Installation Install the parts in the reverse order of removal Removing Installing Body Components u Left Side Cover Maintenance 49 G...

Page 54: ...icle on its centre stand on a firm level surface 4 Remove the oil fill cap dipstick and wipe it clean 5 Insert the oil fill cap dipstick until it seats but don t screw it in 6 Check that the oil level...

Page 55: ...u Do not overfill above the upper level mark u Make sure no foreign objects enter the oil filler opening u Wipe up any spills immediately 2 Securely reinstall the oil fill cap dipstick NOTICE Overfill...

Page 56: ...ay at the tip of the brake pedal 20 30 mm 0 8 1 2 in Make sure the brake rod brake arm spring and fastener are in good condition Inspecting the Front Brake Lever Freeplay 1 Place your vehicle on its c...

Page 57: ...rrosion Make sure the brake arm spring and fastener are in good condition Adjusting the Rear Brake Pedal Freeplay Make sure the cut out on the adjusting nut is seated on the brake arm pin when adjusti...

Page 58: ...between the rear brake adjusting nut and brake arm pin After adjustment confirm the freeplay of the brake pedal Make sure the brake rod brake arm spring and fastener are in good condition NOTICE Do n...

Page 59: ...s method see your dealer 1 Adjust by turning the front brake adjusting nut a half turn at a time 2 Apply the brake several times and check for free wheel rotation after the brake lever is released 3 P...

Page 60: ...urn the adjuster beyond its natural limits Inspecting the Brake Shoe Wear The front and rear brake are equipped with a brake wear indicator Brakes u Inspecting the Brake Shoe Wear Maintenance 56 Brake...

Page 61: ...ervice When the brake service is necessary see your dealer Use only Honda Genuine Parts or its equivalent Adjusting the Brakelight Switch Check the operation of the brakelight switch Hold the brakelig...

Page 62: ...1 Check that the side stand operates smoothly If the side stand is stiff or squeaky clean the pivot area and lubricate the pivot bolt with clean grease 2 Check the spring for damage or loss of tensio...

Page 63: ...ansmission to Neutral Stop the engine 2 Place your vehicle on its centre stand on a firm level surface 3 Check the slack in the lower half of the drive chain midway between the sprockets Drive chain s...

Page 64: ...r 10 20 mm 0 4 0 8 in Check the clutch cable for kinks or signs of wear If necessary have it replaced by your dealer Lubricate the clutch cable with a commercially available cable lubricant to prevent...

Page 65: ...reeplay again 5 Install the rubber dust cover Lower Adjustment If the upper clutch cable adjuster is threaded out near its limit or the correct freeplay cannot be obtained attempt adjustment with the...

Page 66: ...clutch lever in and shift into gear Make sure the engine does not stall and the vehicle does not creep Gradually release the clutch lever and open the throttle Your vehicle should move smoothly and ac...

Page 67: ...ully closed to fully open in all steering positions and throttle freeplay is correct If the throttle does not move smoothly close automatically or if the cable is damaged have the vehicle inspected by...

Page 68: ...Engine Will Not Start P 65 Tyre Puncture P 66 Electrical Trouble P 67 Battery Goes Dead P 67 Burned out Light Bulb P 67 Blown Fuse P 72 Troubleshooting...

Page 69: ...trol in the fuel tank Starter Motor Does Not Operate Check the following items Check the correct engine starting sequence 2 P 24 Check for a blown fuse 2 P 72 Check for a loose battery connection 2 P...

Page 70: ...new one and it may fail while you are riding If you need to make a temporary repair by patching a tube or using an aerosol sealant ride cautiously at reduced speed and have the tube replaced before y...

Page 71: ...rging contact your dealer NOTICE Jump starting using an automobile battery can damage your vehicle s electrical system and is not recommended Burned out Light Bulb Follow the procedure below to replac...

Page 72: ...of the headlight forward and remove the headlight 3 Pull out the dust cover 4 Pull the socket up in the direction with the catch and remove the catch from the hole 5 Remove the socket Electrical Trou...

Page 73: ...w bulb and parts in the reverse order of removal Do not touch the glass surface with your fingers If you touch the bulb with your bare hands clean it with a cloth moistened with alcohol Electrical Tro...

Page 74: ...l Brakelight Taillight Bulb 1 Remove the taillight lens by removing the screws 2 Slightly press the bulb in and turn it counterclockwise 3 Install a new bulb and parts in the reverse order of removal...

Page 75: ...signal lens by removing the screw 2 Slightly press the bulb in and turn it counterclockwise 3 Install a new bulb and parts in the reverse order of removal Electrical Trouble u Burned out Light Bulb T...

Page 76: ...P 49 2 Pull the rubber sheet and remove the fuse holder from the battery holder 3 Open the fuse holder and lift out the blown fuse with the clips 4 Slide the blown fuse out of the clips Electrical Tro...

Page 77: ...n the reverse order of removal Do not pry the clips open to get a fuse out you could bend them and cause poor contact with the new fuse A loose fuse could cause damage to the electrical system and eve...

Page 78: ...ntrols Other Features P 76 Caring for Your Vehicle P 77 Storing Your Vehicle P 80 Transporting Your Vehicle P 81 You the Environment P 82 Serial Numbers P 83 Fuels Containing Alcohol P 84 Catalytic Co...

Page 79: ...ation To make a duplicate take the spare key or the key number to your dealer If you lose all ignition keys and the key number the ignition switch assembly will probably have to be removed by your dea...

Page 80: ...opped will drain the battery Do not turn the key while riding Odometer The odometer returns to 0 when the read out exceeds 99 999 9 Always carry this manual This owner s manual cannot be stored on thi...

Page 81: ...care to avoid scratching them Avoid directing water into the air cleaner muffler and electrical parts 3 Thoroughly rinse your vehicle with plenty of clean water and dry with a soft clean cloth 4 After...

Page 82: ...rect water at the air cleaner u Water in the air cleaner can prevent the engine from starting Do not direct water near the headlight u The headlight s inside lens may fog temporarily after washing or...

Page 83: ...using a soft sponge and plenty of water To remove stubborn stains use diluted detergent and rinse thoroughly with plenty of water Avoid getting petrol or detergents on the instruments panels or headli...

Page 84: ...41 Place your vehicle on its centre stand and position a block so that both tyres are off the ground After rain remove the body cover and allow the vehicle to dry Remove the battery 2 P 47 to prevent...

Page 85: ...flatbed truck or trailer that has a loading ramp or lifting platform and motorcycle tie down straps Never try to tow your vehicle with a wheel or wheels on the ground NOTICE Towing your vehicle with a...

Page 86: ...tes Put oil and other toxic wastes in approved containers and take them to a recycling centre Call your local or state office of public works or environmental services to find a recycling centre in yo...

Page 87: ...uely identify your vehicle and are required in order to register your vehicle They may also be required when ordering replacement parts You should record these numbers and keep them in a safe place Se...

Page 88: ...0 by volume u Petrol containing ethanol may be marketed under the name Gasohol The use of petrol containing more than 10 ethanol may Damage the painting of the fuel tank Damage the rubber tubes of the...

Page 89: ...converter contributes to air pollution and can impair your engine s performance A replacement unit must be an original Honda part or equivalent Follow these guidelines to protect your vehicle s cataly...

Page 90: ...Passenger capacity Rider and 1 passenger Minimum turning radius 2 00 m 6 56 ft 1 Including rider passenger all luggage and accessories Displacement 124 cm3 7 6 cu in Bore x stroke 56 500 x 49 500 mm 2...

Page 91: ...in Idle speed 1 400 100 rpm Recommended engine oil Honda 4 stroke motorcycle oil API Service Classification SG or higher excluding oils marked as Energy Conserving or Resource Conserving SAE 10W 30 JA...

Page 92: ...Taillight 12 V 21 5 W Front turn signal light 12 V 10 W 2 Rear turn signal light 12 V 10 W 2 Position light 12 V 5 W Fuses Main fuse 15 A Torque Specifications Battery holder bolt 1 8 N m 0 2 kgf m 1...

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