Yamaha MTN850-AH Owner'S Manual Download

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Specifications

10-2

6th:

1.037 (28/27)

Chassis:

Frame type:

Diamond

Caster angle:

25.0



Trail:

103 mm (4.1 in)

Front tire:

Type:

Tubeless

Size:

120/70 ZR17 M/C (58W)

Manufacturer/model:

BRIDGESTONE/S20F

Manufacturer/model:

DUNLOP/D214F

Rear tire:

Type:

Tubeless

Size:

180/55 ZR17M/C (73W)

Manufacturer/model:

BRIDGESTONE/S20R

Manufacturer/model:

DUNLOP/D214

Loading:

Maximum load:

174 kg (384 lb)

* (Total weight of rider, passenger, cargo

and accessories)

Tire air pressure (measured on cold
tires):

1 person:

Front:

250 kPa (2.50 kgf/cm

, 36 psi)

Rear:

290 kPa (2.90 kgf/cm

, 42 psi)

2 persons:

Front:

250 kPa (2.50 kgf/cm

, 36 psi)

Rear:

290 kPa (2.90 kgf/cm

, 42 psi)

Front wheel:

Wheel type:

Cast wheel

Rim size:

17M/C x MT3.50

Rear wheel:

Wheel type:

Cast wheel

Rim size:

17M/C x MT5.50

Front brake:

Type:

Hydraulic dual disc brake

Specified brake fluid:

DOT 4

Rear brake:

Type:

Hydraulic single disc brake

Specified brake fluid:

DOT 4

Front suspension:

Type:

Telescopic fork

Spring:

Coil spring

Shock absorber:

Hydraulic damper

Wheel travel:

137 mm (5.4 in)

Rear suspension:

Type:

Swingarm (link suspension)

Spring:

Coil spring

Shock absorber:

Gas-hydraulic damper

Wheel travel:

130 mm (5.1 in)

Electrical system:

System voltage:

12 V

Ignition system:

TCI

Charging system:

AC magneto

Battery:

Model:

YTZ10S

Voltage, capacity:

12 V, 8.6 Ah (10 HR)

Bulb wattage:

Headlight:

LED

BS2-28199-20.book 2 ページ２０１６年９月２９日　木曜日　午後５時１５分

Summary of Contents for MTN850-AH

Page 1: ...q Read this manual carefully before operating this vehicle OWNER S MANUAL MTN850 AH BS2 28199 20 BS2 9 20_OCE_Brazil E_Hyoshi indd 1 2016 09 29 17 13 59 ...

Page 2: ...1 Read this manual carefully before operating this vehicle This manual should stay with this vehicle if it is sold cover21 fm 1 ページ２０１６年９月５日月曜日午前１０時７分 BS2 9 20_OCE_Brazil E_Hyoshi indd 2 2016 09 29 17 13 59 ...

Page 3: ...jury In addition the many tips given in this manual will help keep your motorcycle in the best possible condition If you have any further questions do not hesitate to contact your Yamaha dealer The Yamaha team wishes you many safe and pleasant rides So remember to put safety first Yamaha continually seeks advancements in product design and quality Therefore while this manual contains the most cur ...

Page 4: ...tential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death A WARNING indicates a hazardous situation which if not avoided could result in death or serious injury A NOTICE indicates special precautions that must be taken to avoid damage to the vehicle or other property A TIP provides key information to make procedures easier or clearer WARNING...

Page 5: ... MANUAL 2016 by Yamaha Motor Co Ltd 1st edition August 2016 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Co Ltd is expressly prohibited Printed in Japan BS2 28199 20 book 2 ページ２０１６年９月２９日木曜日午後５時１５分 ...

Page 6: ... engine 7 1 Shifting 7 2 Tips for reducing fuel consumption 7 3 Engine break in 7 3 Parking 7 4 Periodic maintenance and adjustment 8 1 Owner s tool kit 8 2 Periodic maintenance chart for the emission control system 8 3 General maintenance and lubrication chart 8 5 Removing and installing panels 8 9 Checking the spark plugs 8 10 Canister 8 11 Engine oil and oil filter cartridge 8 12 Coolant 8 15 A...

Page 7: ...hts 8 36 Replacing a turn signal light bulb 8 37 Supporting the motorcycle 8 37 Troubleshooting 8 38 Troubleshooting charts 8 39 Motorcycle care and storage 9 1 Matte color caution 9 1 Care 9 1 Storage 9 3 Specifications 10 1 Consumer information 11 1 Identification numbers 11 1 Diagnostic connector 11 2 Vehicle data recording 11 2 Motorcycle noise regulation for Australia 11 3 Index 12 1 BS2 2819...

Page 8: ...s on your vehicle They contain important information for safe and proper operation of your vehicle Never remove any labels from your vehicle If a label becomes difficult to read or comes off a replacement label is available from your Yamaha dealer 5 4 1 6 2 3 BS2 28199 20 book 1 ページ２０１６年９月２９日木曜日午後５時１５分 ...

Page 9: ...nd protective clothing 1TP 2118K A1 Use PREMIUM unleaded gasoline with min 95 octane RON 2S3 2817K 10 100kPa 1bar kPa psi 250 36 290 42 290 42 250 36 kPa psi BM6 21668 00 B90 2811P 00 E13 39R 00 9704 41R 04 9608 53R 01 0730 78R 03 5098 STATIONARY NOISE TEST INFORMATION TESTED 93 dB A AT 5000 r min SILENCINGSYSTEM YAMAHA IDENTIFICATION 1RC BS2 2118G 10 1 4 2 3 6 5 BS2 28199 20 book 2 ページ２０１６年９月２９日...

Page 10: ...erly increases the possibility of an accident or equipment damage See page 6 1 for a list of pre operation checks This motorcycle is designed to car ry the operator and a passenger The failure of motorists to detect and recognize motorcycles in traf fic is the predominating cause of automobile motorcycle accidents Many accidents have been caused by an automobile driver who did not see the motorcyc...

Page 11: ...result of head in juries The use of a safety helmet is the single most critical factor in the preven tion or reduction of head injuries Always wear an approved helmet Wear a face shield or goggles Wind in your unprotected eyes could contribute to an impairment of vision that could delay seeing a hazard The use of a jacket heavy boots trousers gloves etc is effective in preventing or reducing abras...

Page 12: ...cycle as possible Se curely pack your heaviest items as close to the center of the vehicle as possible and make sure to distrib ute the weight as evenly as possi ble on both sides of the motorcycle to minimize imbalance or instabili ty Shifting weights can create a sud den imbalance Make sure that ac cessories and cargo are securely attached to the motorcycle before riding Check accessory mounts a...

Page 13: ...o improper weight distribution or aerody namic changes If accessories are added to the handlebar or front fork area they must be as lightweight as possible and should be kept to a minimum Bulky or large accessories may seriously affect the stability of the motorcycle due to aerody namic effects Wind may at tempt to lift the motorcycle or the motorcycle may become un stable in cross winds These ac ...

Page 14: ...otorcycle with tie downs or suitable straps that are attached to solid parts of the motorcycle such as the frame or upper front fork triple clamp and not for example to rubber mount ed handlebars or turn signals or parts that could break Choose the location for the straps carefully so the straps will not rub against painted surfaces during transport The suspension should be com pressed somewhat by...

Page 15: ... Shock absorber assembly rebound damping force adjusting screw page 5 22 4 Seat page 5 19 5 Fuse box 2 page 8 34 6 Main fuse page 8 34 7 Fuel injection system fuse page 8 34 8 Storage compartment page 5 20 9 Shock absorber assembly spring preload adjusting ring page 5 22 10 Shift pedal page 5 14 11 Engine oil drain bolt page 8 12 12 Coolant drain bolt page 8 16 BS2 28199 20 book 1 ページ２０１６年９月２９日木...

Page 16: ...olt page 5 20 3 Front fork rebound damping force adjusting screw page 5 20 4 Fuse box 1 page 8 34 5 Coolant reservoir page 8 15 6 Engine oil level check window page 8 12 7 Engine oil filler cap page 8 12 8 Brake pedal page 5 15 9 Rear brake light switch page 8 23 10 Rear brake fluid reservoir page 8 24 BS2 28199 20 book 2 ページ２０１６年９月２９日木曜日午後５時１５分 ...

Page 17: ...ch lever page 5 14 2 Left handlebar switches page 5 4 3 Main switch steering lock page 5 2 4 Multi function meter unit page 5 8 5 Front brake fluid reservoir page 8 24 6 Right handlebar switches page 5 4 7 Throttle grip page 8 19 8 Brake lever page 5 14 BS2 28199 20 book 3 ページ２０１６年９月２９日木曜日午後５時１５分 ...

Page 18: ...mid speed range compared to mode STD Mode B Mode B offers response that is some what less sharp compared to mode STD for riding situations that require especially sensitive throttle operation EAU76432 Traction control system The traction control system TCS helps maintain traction when accelerat ing on slippery surfaces such as un paved or wet roads If sensors detect that the rear wheel is starting...

Page 19: ...the ve hicle gets stuck in mud sand or other soft surfaces TCS OFF TCS OFF turns the traction control system off TCS 1 TCS 1 minimizes traction control sys tem assist TCS 2 TCS 2 maximizes traction control as sist wheel spin is most strongly con trolled The indicator light flashes when traction control has engaged You may notice slight changes in engine and ex haust sounds when the system has en g...

Page 20: ...ndicator light should turn off and the system be enabled TIP If the indicator light remains on af ter resetting the vehicle may still be rid den however have a Yamaha dealer check the vehicle as soon as possible 4 Have a Yamaha dealer check the vehicle and turn off the warn ing light EAU76401 Quick shift system The quick shift system QS allows for full throttle clutch lever less electroni cally as...

Page 21: ...code re registering key is lost regis tering new codes in the stan dard keys is impossible The standard keys can still be used to start the vehicle however if code re registering is required i e if a new standard key is made or all keys are lost the en tire immobilizer system must be replaced Therefore it is highly recommended to use either standard key and keep the code re registering key in a sa...

Page 22: ...e supplied with power The meter lighting taillight li cense plate light and auxiliary lights come on and the engine can be start ed The key cannot be removed TIP The headlight comes on automatically when the engine is started and stays on until the key is turned to OFF even if the engine stalls EAU10662 OFF All electrical systems are off The key can be removed WARNING EWA10062 Never turn the key t...

Page 23: ...ht slightly To unlock the steering From the LOCK position push the key in and turn it to OFF EAU59680 Parking The hazard lights and turn signal lights can be turned on but all other electrical systems are off The key can be re moved The steering must be locked before the key can be turned to NOTICE ECA20760 Using the hazard or turn signal lights for an extended length of time may cause the battery...

Page 24: ...witch in after it has re turned to the center position EAU66030 Horn switch Press this switch to sound the horn EAU73961 Traction control system switch TCS See page 4 1 for an explanation of the traction control system EAU66060 Stop Run Start switch To crank the engine with the starter set this switch to and then push the switch down towards See page 7 1 for starting instructions prior to starting...

Page 25: ...AU11081 High beam indicator light This indicator light comes on when the high beam of the headlight is switched on EAU77380 Oil level warning light This warning light comes on if the en gine oil level is low The electrical circuit of the warning light can be checked by turning the key to ON The warning light should come on for a few seconds and then go off If the warning light does not come on ini...

Page 26: ...e warning light This warning light comes on if a prob lem is detected in the engine or other vehicle control system If this occurs have a Yamaha dealer check the on board diagnostic system The electrical circuit of the warning light can be checked by turning the key to ON The warning light should come on for a few seconds and then go off If the warning light does not come on initially when the key...

Page 27: ...d After 24 hours have passed the indicator light will stop flashing however the immobi lizer system is still enabled The electrical circuit of the indicator light can be checked by turning the key to ON The indicator light should come on for a few seconds and then go off If the indicator light does not come on initially when the key is turned to ON if the indicator light remains on or if the indic...

Page 28: ...smission gear display a drive mode display a TCS display a multi function display TIP Except when switching to the brightness control mode or to dis play the clock turn the key to ON before using the SELECT and RESET buttons to adjust the multi function meter To switch the speedometer and multi function displays between ki lometers and miles press the SE LECT button for one second 1 SELECT button ...

Page 29: ...iewed by push ing the SELECT button To set the clock 1 Turn the key to ON 2 Push the SELECT button and the RESET button for two seconds 3 When the hour digits start flashing use the RESET button to set the hours 4 Push the SELECT button and the minute digits will start flashing 5 Use the RESET button to set the minutes 6 Push the SELECT button to con firm the settings and start the clock Fuel mete...

Page 30: ...he vehicle is stopped TIP Consider the following tips to reduce fuel consumption Avoid high engine speeds during acceleration Travel at a constant speed Select the transmission gear that is appropriate for the vehicle speed Transmission gear display This display shows the selected gear The neutral position is indicated by and by the neutral indicator light Drive mode display This display indicates...

Page 31: ...ke temperature mode Air_ _ C odometer mode ODO and trip meter modes TRIP 1 and TRIP 2 in the following order km L or L 100 km AVE_ _ _ km L or AVE_ _ _ L 100 km C Air_ _ C ODO TRIP 1 TRIP 2 When the display units have been set to miles km L L 100 km or MPG AVE_ _ _ km L AVE_ _ _ L 100 km or AVE_ _ _ MPG C Air_ _ C ODO TRIP 1 TRIP 2 TIP Push the RESET button to switch the display in the reverse ord...

Page 32: ...ton for one second TIP If traveling at speeds under 20 km h 12 mi h _ _ _ is displayed Average fuel consumption mode This display shows the average fuel consumption since it was last reset The average fuel consumption display can be set to either AVE_ _ _ km L AVE_ _ _ L 100 km or AVE_ _ _ MPG when the display units have been set to miles AVE_ _ _ km L The average dis tance that can be traveled on...

Page 33: ...ake tem perature from 9 C to 99 C in 1 C in crements TIP 9 C will be displayed even if the air intake temperature falls below 9 C The air intake temperature may vary from the ambient tempera ture Brightness control mode The brightness of the multi function meter unit panel can be adjusted To adjust the brightness 1 Turn the key to OFF 2 While pushing the SELECT but ton turn the key to ON and con t...

Page 34: ...smission When the quick shift system is turned on the shift switch senses shift pedal movement and allows for upshifting without operating the clutch lever See page 4 3 EAU26825 Brake lever The brake lever is located on the right side of the handlebar To apply the front brake pull the lever toward the throttle grip The brake lever is equipped with a brake lever position adjusting dial To adjust th...

Page 35: ...vated a pulsating sensation may be felt at the brake lever or brake pedal In this situation continue to apply the brakes and let the ABS work do not pump the brakes as this will reduce braking effectiveness WARNING EWA16051 Always keep a sufficient distance from the vehicle ahead to match the riding speed even with ABS The ABS performs best with long braking distances On certain surfaces such as r...

Page 36: ...ting However special tools are required so please consult your Yamaha dealer NOTICE ECA20100 Be careful not to damage the wheel sensor or wheel sensor rotor other wise improper performance of the ABS will result EAU13075 Fuel tank cap To open the fuel tank cap Open the fuel tank cap lock cover in sert the key into the lock and then turn it 1 4 turn clockwise The lock will be re leased and the fuel...

Page 37: ... flames or other sources of ignition such as the pilot lights of water heaters and clothes dryers 2 Do not overfill the fuel tank When refueling be sure to insert the pump nozzle into the fuel tank filler hole Stop filling when the fuel reaches the bottom of the filler tube Because fuel expands when it heats up heat from the engine or the sun can cause fuel to spill out of the fuel tank 3 Wipe up ...

Page 38: ...l containing ethanol and that contain ing methanol Gasohol containing ethanol can be used if the ethanol con tent does not exceed 10 E10 Gas ohol containing methanol is not recommended by Yamaha because it can cause damage to the fuel system or vehicle performance problems EAU74230 Fuel tank overflow hose TIP See page 8 11 for breather information Before operating the motorcycle Check the fuel tan...

Page 39: ...aust sys tem has cooled down before do ing any maintenance work Do not allow the engine to idle more than a few minutes Long idling can cause a build up of heat NOTICE ECA10702 Use only unleaded gasoline The use of leaded gasoline will cause unre pairable damage to the catalytic converter EAU57991 Seat To remove the seat 1 Open the seat lock cover insert the key into the seat lock and then turn th...

Page 40: ...ront fork WARNING EWA14671 Always adjust the spring preload on both fork legs equally otherwise poor handling and loss of stability may result Each front fork leg is equipped with a spring preload adjusting bolt the right front fork leg is equipped with a re bound damping force adjusting screw and the left front fork leg with a com pression damping force adjusting screw NOTICE ECA10102 To avoid da...

Page 41: ...TIP Be sure to perform this adjustment on the right front fork leg Compression damping force The compression damping force is ad justed on the left front fork leg only To increase the compression damping force and thereby harden the compres sion damping turn the adjusting screw in direction a To decrease the com pression damping force and thereby 1 Spring preload adjusting bolt 1 Distance A 1 1 a ...

Page 42: ...ick position and the 1 click position may be the same EAU57940 Adjusting the shock absorber assembly This shock absorber assembly is equipped with a spring preload adjust ing ring and a rebound damping force adjusting screw NOTICE ECA10102 To avoid damaging the mechanism do not attempt to turn beyond the maximum or minimum settings Spring preload To increase the spring preload and thereby harden t...

Page 43: ... This shock absorber assembly con tains highly pressurized nitrogen gas Read and understand the fol lowing information before handling the shock absorber assembly Do not tamper with or attempt to open the cylinder assembly Do not subject the shock ab sorber assembly to an open flame or other high heat source This may cause the unit to ex plode due to excessive gas pressure Do not deform or damage ...

Page 44: ...for any service EAU15152 Luggage strap holders There is a luggage strap holder on each passenger footrest EAU77390 Auxiliary DC connectors This vehicle is equipped with an auxilia ry DC connector and a grip warmer DC connector Consult your Yamaha deal er before installing any accessories 1 Luggage strap holder 1 BS2 28199 20 book 24 ページ２０１６年９月２９日木曜日午後５時１５分 ...

Page 45: ...n circuit cut off system has been designed to assist the operator in fulfilling the respon sibility of raising the sidestand be fore starting off Therefore check this system regularly and have a Yamaha dealer repair it if it does not function properly EAU57950 Ignition circuit cut off system The ignition circuit cut off system com prising the sidestand switch clutch switch and neutral switch has t...

Page 46: ...ine has stalled 10 Move the sidestand up 11 Keep the clutch lever pulled 12 Push the side of the start engine stop switch Does the engine start The system is OK The motorcycle can be ridden YES NO YES NO YES NO The neutral switch may not be working correctly The motorcycle should not be ridden until checked by a Yamaha dealer The clutch switch may not be working correctly The motorcycle should not...

Page 47: ...k the following points ITEM CHECKS PAGE Fuel Check fuel level in fuel tank Refuel if necessary Check fuel line for leakage Check fuel tank breather hose and overflow hose for obstructions cracks or damage and check hose connections 5 17 5 18 Engine oil Check oil level in engine If necessary add recommended oil to specified level Check vehicle for oil leakage 8 12 Coolant Check coolant level in res...

Page 48: ...and grip housing 8 19 8 29 Control cables Make sure that operation is smooth Lubricate if necessary 8 28 Drive chain Check chain slack Adjust if necessary Check chain condition Lubricate if necessary 8 26 8 28 Wheels and tires Check for damage Check tire condition and tread depth Check air pressure Correct if necessary 8 19 8 22 Brake and shift pedals Make sure that operation is smooth Lubricate p...

Page 49: ...ments lights signals and switches Check operation Correct if necessary Sidestand switch Check operation of ignition circuit cut off system If system is not working correctly have Yamaha dealer check vehicle 5 25 ITEM CHECKS PAGE BS2 28199 20 book 3 ページ２０１６年９月２９日木曜日午後５時１５分 ...

Page 50: ...ch an engine auto stop system The engine stops automatically if left idling for 20 minutes If the engine stops simply push the start switch to restart the engine EAU77060 Starting the engine In order for the ignition circuit cut off system to enable starting one of the following conditions must be met The transmission is in the neutral position The transmission is in gear with the clutch lever pul...

Page 51: ...tch toward If the engine fails to start release the start engine stop switch wait a few seconds and then try again Each starting attempt should be as short as possible to preserve the battery Do not crank the engine more than 10 seconds on any one attempt NOTICE ECA11043 For maximum engine life never ac celerate hard when the engine is cold EAU77400 Shifting Shifting gears lets you control the amo...

Page 52: ...fting down and avoid high engine speeds with no load on the engine Turn the engine off instead of let ting it idle for an extended length of time e g in traffic jams at traffic lights or at railroad crossings EAU16842 Engine break in There is never a more important period in the life of your engine than the period between 0 and 1600 km 1000 mi For this reason you should read the follow ing materia...

Page 53: ...r check the vehi cle EAU17214 Parking When parking stop the engine and then remove the key from the main switch WARNING EWA10312 Since the engine and exhaust system can become very hot park in a place where pedestri ans or children are not likely to touch them and be burned Do not park on a slope or on soft ground otherwise the vehicle may overturn increasing the risk of a fuel leak and fire Do no...

Page 54: ...the engine when performing maintenance unless otherwise specified A running engine has moving parts that can catch on body parts or clothing and electrical parts that can cause shocks or fires Running the engine while ser vicing can lead to eye injury burns fire or carbon monoxide poisoning possibly leading to death See page 2 2 for more in formation about carbon monox ide WARNING EWA15461 Brake d...

Page 55: ...ols provided in the owner s tool kit are intended to assist you in the performance of preventive maintenance and minor repairs How ever additional tools such as a torque wrench may be necessary to perform certain maintenance work correctly TIP If you do not have the tools or experi ence required for a particular job have a Yamaha dealer perform it for you 1 Owner s tool kit 1 BS2 28199 20 book 2 ペ...

Page 56: ... chart for the emission control system NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING ANNUAL CHECK 1000 km 600 mi 10000 km 6000 mi 20000 km 12000 mi 30000 km 18000 mi 40000 km 24000 mi 1 Fuel line Check fuel hoses for cracks or damage Replace if necessary 2 Spark plugs Check condition Adjust gap and clean Replace 3 Valve clearance Check and adjust Every 40000 km 24000 mi 4 Fuel injection Check ...

Page 57: ...heck the air cut off valve reed valve and hose for damage Replace any damaged parts if necessary NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING ANNUAL CHECK 1000 km 600 mi 10000 km 6000 mi 20000 km 12000 mi 30000 km 18000 mi 40000 km 24000 mi BS2 28199 20 book 4 ページ２０１６年９月２９日木曜日午後５時１５分 ...

Page 58: ...e Check operation fluid level and for fluid leakage Replace brake pads if necessary 5 Rear brake Check operation fluid level and for fluid leakage Replace brake pads if necessary 6 Brake hoses Check for cracks or damage Replace Every 4 years 7 Brake fluid Change Every 2 years 8 Wheels Check runout and for damage Replace if necessary 9 Tires Check tread depth and for damage Replace if necessary Che...

Page 59: ... Lubricate with silicone grease 16 Brake pedal pivot shaft Lubricate with lithium soap based grease 17 Clutch lever pivot shaft Lubricate with lithium soap based grease 18 Shift pedal pivot shaft Lubricate with lithium soap based grease 19 Sidestand Check operation Lubricate with lithium soap based grease 20 Sidestand switch Check operation and replace if necessary 21 Front fork Check operation an...

Page 60: ...t leakage Change Every 3 years 27 Front and rear brake switches Check operation 28 Moving parts and cables Lubricate 29 Throttle grip housing and cable Check operation and free play Adjust the throttle cable free play if necessary Lubricate the throttle grip housing and cable 30 Lights signals and switches Check operation Adjust headlight beam NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING ANNU...

Page 61: ...aging it The air filter element needs to be replaced more frequently when riding in unusually wet or dusty areas Hydraulic brake service Regularly check and if necessary correct the brake fluid level Every two years replace the internal components of the brake master cylinders and calipers and change the brake fluid Replace the brake hoses every four years and if cracked or damaged BS2 28199 20 bo...

Page 62: ... quick fasteners TIP The quick fasteners are removed by pushing in the center pin and then pull ing the fastener out 2 Pull the panel off as shown To install the panel 1 Place the panel in the original posi tion 2 Install the washer bolt and quick fasteners TIP The quick fasteners are installed by pushing out the center pin inserting the fastener into the panel and then by pushing the center pin f...

Page 63: ...ce and lubrication chart In addition the condition of the spark plugs can re veal the condition of the engine The porcelain insulator around the cen ter electrode of each spark plug should be a medium to light tan the ideal color when the vehicle is ridden normally and all spark plugs installed in the en gine should have the same color If any spark plug shows a distinctly different color the engin...

Page 64: ...ise the ignition coil coupler may get damaged The spark plug cap may be difficult to remove because the rubber seal on the end of the cap fits tightly To remove the spark plug cap simply twist it back and forth while pulling it out to install it twist it back and forth while pushing it in EAU36112 Canister This model is equipped with a canister to prevent the discharging of fuel vapor into the atm...

Page 65: ...ated at the bottom right side of the crankcase TIP The engine oil should be between the minimum and maximum level marks 4 If the engine oil is below the mini mum level mark add sufficient oil of the recommended type to raise it to the correct level TIP Check the O ring for damage and re place it if necessary To change the engine oil with or without oil filter cartridge replace ment 1 Place the veh...

Page 66: ...lable at a Yamaha dealer 6 Apply a thin coat of clean engine oil to the O ring of the new oil filter cartridge TIP Make sure that the O ring is properly seated 7 Install the new oil filter cartridge with an oil filter wrench and then tighten it to the specified torque with a torque wrench 1 Engine oil drain bolt 2 Gasket 1 2 1 Oil filter wrench 2 Oil filter cartridge 2 1 1 O ring BS2 28199 20 book...

Page 67: ...s the crankcase 10 Check the O ring for damage and replace it if necessary 11 Install and tighten the engine oil fill er cap 12 Start the engine and then let it idle for several minutes while checking it for oil leakage If oil is leaking im mediately turn the engine off and check for the cause TIP After the engine is started the engine oil level warning light should go off if the oil level is suff...

Page 68: ... sur face and hold it in an upright posi tion TIP The coolant level must be checked on a cold engine since the level varies with engine temperature Make sure that the vehicle is posi tioned straight up when checking the coolant level A slight tilt to the side can result in a false reading 2 Check the coolant level in the cool ant reservoir TIP The coolant should be between the minimum and maximum ...

Page 69: ...as possible otherwise the effectiveness of the coolant will be reduced ECA10473 EAU76810 To change the coolant 1 Place the vehicle on a level sur face and let the engine cool if nec essary 2 Remove panel B See page 8 9 3 Place a container under the engine to collect the used coolant 4 Remove the radiator cap retaining bolt radiator cap retainer and radi ator cap WARNING Never at tempt to remove th...

Page 70: ...tart the engine let it idle for sev eral minutes and then turn it off 16 Remove the radiator cap to check the coolant level in the radiator If necessary add sufficient coolant until it reaches the top of the radia tor and then install the radiator cap radiator cap retainer and radi ator cap retaining bolt 17 Check the coolant level in the res ervoir If necessary remove the coolant reservoir cap ad...

Page 71: ...ooling system 19 Install the panel EAU36765 Air filter element The air filter element must be replaced at the intervals specified in the periodic maintenance and lubrication chart Have a Yamaha dealer replace the air filter element EAU44735 Checking the engine idling speed Check the engine idling speed and if necessary have it corrected by a Yamaha dealer Engine idling speed 1100 1300 r min BS2 28...

Page 72: ... Safety in all con ditions of riding depends on a relatively small area of road contact Therefore it is essential to maintain the tires in good condition at all times and replace them at the appropriate time with the speci fied tires Tire air pressure The tire air pressure should be checked and if necessary adjusted before each ride WARNING EWA10504 Operation of this vehicle with im proper tire pr...

Page 73: ...s Besides being illegal operating the vehi cle with excessively worn tires decreases riding stability and can lead to loss of control The replacement of all wheel and brake related parts includ ing the tires should be left to a Yamaha dealer who has the necessary professional knowl edge and experience to do so Ride at moderate speeds after changing a tire since the tire surface must first be broke...

Page 74: ...tires list ed below have been approved for this model by Yamaha WARNING EWA10601 This motorcycle is fitted with su per high speed tires Note the fol lowing points in order to make the most efficient use of these tires Use only the specified replace ment tires Other tires may run the danger of bursting at super high speeds Brand new tires can have a rela tively poor grip on certain road surfaces un...

Page 75: ...can result in poor performance adverse han dling characteristics and a short ened tire life EAU22083 Adjusting the clutch lever free play Measure the clutch lever free play as shown Periodically check the clutch lever free play and if necessary adjust it as fol lows To increase the clutch lever free play turn the clutch lever free play adjusting bolt in direction a To decrease the clutch lever fre...

Page 76: ...ydraulic system If there is air in the hydraulic system have a Yamaha dealer bleed the system be fore operating the vehicle Air in the hydraulic system will diminish the braking performance which may re sult in loss of control and an acci dent EAU36504 Brake light switches The brake light which is activated by the brake pedal and brake lever should come on just before braking takes ef fect If nece...

Page 77: ...ke disc have a Yamaha dealer replace the brake pads as a set EAU46292 Rear brake pads Each rear brake pad is provided with wear indicator grooves which allow you to check the brake pad wear with out having to disassemble the brake To check the brake pad wear check the wear indicator grooves If a brake pad has worn to the point that a wear indicator groove almost appears have a Yamaha dealer replac...

Page 78: ...reful that water or dust does not enter the brake fluid reservoir when refilling Water will significantly lower the boil ing point of the fluid and may re sult in vapor lock and dirt may clog the ABS hydraulic unit valves NOTICE ECA17641 Brake fluid may damage painted sur faces or plastic parts Always clean up spilled fluid immediately As the brake pads wear it is normal for the brake fluid level ...

Page 79: ...check the drive chain slack 1 Place the motorcycle on the sides tand TIP When checking and adjusting the drive chain slack there should be no weight on the motorcycle 2 Shift the transmission into the neu tral position 3 Measure the drive chain slack as shown 4 If the drive chain slack is incorrect adjust it as follows NOTICE Im proper drive chain slack will overload the engine as well as other vi...

Page 80: ... then push the rear wheel for ward TIP Using the alignment marks and notch on each side of the swingarm make sure that both drive chain pullers are in the same position for proper wheel alignment 3 Tighten the axle nut then the lock nuts to their specified torques 4 Make sure that the drive chain pull ers are in the same position the drive chain slack is correct and the drive chain moves smoothly ...

Page 81: ...22 2 Wipe the drive chain dry 3 Thoroughly lubricate the drive chain with a special O ring chain lubricant NOTICE Do not use engine oil or any other lubri cants for the drive chain as they may contain substances that could damage the O rings ECA11112 EAU23098 Checking and lubricating the cables The operation of all control cables and the condition of the cables should be checked before each ride a...

Page 82: ... is securely installed Even though the cover is installed correctly it does not completely protect the cable from water entry Therefore use care not to pour water directly onto the cover or cable when washing the vehicle If the cable or cover becomes dirty wipe clean with a moist cloth EAU44276 Checking and lubricating the brake and shift pedals The operation of the brake and shift pedals should b...

Page 83: ...f the sidestand should be checked before each ride and the sidestand pivot and metal to metal contact surfaces should be lubricated if necessary WARNING EWA10732 If the sidestand does not move up and down smoothly have a Yamaha dealer check or repair it Otherwise the sidestand could contact the ground and distract the operator re sulting in a possible loss of control Recommended lubricants Brake l...

Page 84: ...e condition Check the inner tubes for scratches damage and excessive oil leakage To check the operation 1 Place the vehicle on a level sur face and hold it in an upright posi tion WARNING To avoid injury securely support the vehicle so there is no danger of it falling over EWA10752 2 While applying the front brake push down hard on the handlebars several times to check if the front fork compresses...

Page 85: ...2 Checking the wheel bearings The front and rear wheel bearings must be checked at the intervals specified in the periodic maintenance and lubrica tion chart If there is play in the wheel hub or if the wheel does not turn smoothly have a Yamaha dealer check the wheel bearings EAU50291 Battery The battery is located under the seat See page 5 19 This model is equipped with a VRLA Valve Regulated Lea...

Page 86: ...ories NOTICE ECA16522 To charge a VRLA Valve Regulated Lead Acid battery a special con stant voltage battery charger is re quired Using a conventional battery charger will damage the battery To store the battery 1 If the vehicle will not be used for more than one month remove the battery fully charge it and then place it in a cool dry place NOTICE When removing the battery be sure the key is turne...

Page 87: ...e and fuse box 2 are located under the seat See page 5 19 1 Fuse box 1 1 1 Ignition fuse 2 ABS control unit fuse 3 Auxiliary fuse 1 4 Parking lighting fuse 5 Signaling system fuse 6 Headlight fuse 7 Grip warmer fuse 8 Spare fuse 1 2 3 8 4 5 6 8 7 1 Fuse box 2 2 Main fuse 3 Fuel injection system fuse 4 Fuel injection system spare fuse 2 3 4 1 BS2 28199 20 book 34 ページ２０１６年９月２９日木曜日午後５時１５分 ...

Page 88: ...nd turn on the electrical circuit in question to 1 Radiator fan motor fuse 2 Backup fuse 3 Electronic throttle valve fuse 4 Terminal fuse 1 5 ABS solenoid fuse 6 ABS motor fuse 7 Spare fuse 1 2 3 4 7 5 6 1 Starter relay cover 2 Fuel injection system fuse 3 Fuel injection system spare fuse 1 2 3 Specified fuses Main fuse 50 0 A Auxiliary fuse 1 2 0 A Terminal fuse 1 2 0 A Grip warmer fuse 5 0 A Hea...

Page 89: ...t ing If a light does not come on check the fuses and then have a Yamaha dealer check the vehicle If a turn signal light does not come check and replace the bulb See page 8 37 TIP When the dimmer switch is set to high beam or the passing switch is pushed all four headlights come on NOTICE ECA16581 Do not affix any type of tinted film or stickers to the headlight lens 1 Headlight low beam 2 Headlig...

Page 90: ...installing the screw NOTICE Do not over tighten the screw otherwise the lens may break ECA11192 EAU67131 Supporting the motorcycle Since this model is not equipped with a centerstand use maintenance stands when removing the front or rear wheel or when performing other maintenance that requires the motorcycle to stand up right Check that the motorcycle is in a stable and level position before start...

Page 91: ...r motorcycle require any repair take it to a Yamaha dealer whose skilled technicians have the necessary tools experience and know how to service the motorcycle properly Use only genuine Yamaha replace ment parts Imitation parts may look like Yamaha parts but they are often inferi or have a shorter service life and can lead to expensive repair bills WARNING EWA15142 When checking the fuel system do...

Page 92: ...he spark plugs Have a Yamaha dealer check the vehicle Operate the electric starter 4 Compression There is compression There is no compression The engine does not start Have a Yamaha dealer check the vehicle Have a Yamaha dealer check the vehicle The engine does not start Check the compression Operate the electric starter 2 Battery The engine turns over quickly The engine turns over slowly The engi...

Page 93: ...scape When the hissing sound has stopped press down on the cap while turning it counterclockwise and then remove the cap TIP If coolant is not available tap water can be temporarily used instead provided that it is changed to the recommended coolant as soon as possible Wait until the engine has cooled Check the coolant level in the reservoir and radiator The coolant level is OK The coolant level i...

Page 94: ...r the muffler outlet with a plastic bag after the engine has cooled down 2 Make sure that all caps and covers as well as all electrical couplers and connectors including the spark plug caps are tightly in stalled 3 Remove extremely stubborn dirt like oil burnt onto the crankcase with a degreasing agent and a brush but never apply such prod ucts onto seals gaskets sprock ets the drive chain and whe...

Page 95: ...onge and then rinse thoroughly with clean water Use a toothbrush or bottlebrush for hard to reach areas Stubborn dirt and insects will come off more easily if the area is covered with a wet cloth for a few minutes before cleaning After riding in the rain near the sea or on salt sprayed roads Since sea salt or salt sprayed on roads during winter are extremely corrosive in combination with water car...

Page 96: ...s but treat them with a suitable care product Avoid using abrasive polishing compounds as they will wear away the paint TIP Consult a Yamaha dealer for ad vice on what products to use Washing rainy weather or humid climates can cause the headlight lens to fog Turning the headlight on for a short period of time will help remove the moisture from the lens EAU26183 Storage Short term Always store you...

Page 97: ... while turning the engine over EWA10952 e Remove the spark plug caps from the spark plugs and then install the spark plugs and the spark plug caps 4 Lubricate all control cables and the pivoting points of all levers and pedals as well as of the sidestand centerstand 5 Check and if necessary correct the tire air pressure and then lift the motorcycle so that both of its wheels are off the ground Alt...

Page 98: ...Engine oil quantity Oil change 2 40 L 2 54 US qt 2 11 Imp qt With oil filter removal 2 70 L 2 85 US qt 2 38 Imp qt Coolant quantity Coolant reservoir up to the maximum level mark 0 25 L 0 26 US qt 0 22 Imp qt Radiator including all routes 1 93 L 2 04 US qt 1 70 Imp qt Air filter Air filter element Oil coated paper element Fuel Recommended fuel Premium unleaded gasoline Gasohol E10 acceptable Fuel ...

Page 99: ...ont 250 kPa 2 50 kgf cm2 36 psi Rear 290 kPa 2 90 kgf cm2 42 psi Front wheel Wheel type Cast wheel Rim size 17M C x MT3 50 Rear wheel Wheel type Cast wheel Rim size 17M C x MT5 50 Front brake Type Hydraulic dual disc brake Specified brake fluid DOT 4 Rear brake Type Hydraulic single disc brake Specified brake fluid DOT 4 Front suspension Type Telescopic fork Spring Coil spring Shock absorber Hydra...

Page 100: ...ED ABS warning light LED Immobilizer system indicator light LED Traction control system indicator warning light LED Quick shift indicator light LED Fuse s Main fuse 50 0 A Auxiliary fuse 1 2 0 A Terminal fuse 1 2 0 A Grip warmer fuse 5 0 A Headlight fuse 10 0 A Signaling system fuse 7 5 A Ignition fuse 15 0 A Parking lighting fuse 7 5 A Radiator fan motor fuse 15 0 A Fuel injection system fuse 10 ...

Page 101: ...IDENTIFICATION NUM BER ENGINE SERIAL NUMBER MODEL LABEL INFORMATION EAU26401 Vehicle identification number The vehicle identification number is stamped into the steering head pipe Record this number in the space pro vided TIP The vehicle identification number is used to identify your motorcycle and may be used to register your motorcy cle with the licensing authority in your area EAU26442 Engine s...

Page 102: ...elopment purposes This data will be uploaded only when a special Yamaha diagnostic tool is attached to the vehi cle such as when maintenance checks or service procedures are performed Although the sensors and recorded data will vary by model the main data points are Vehicle status and engine perfor mance data Fuel injection and emission relat ed data Yamaha will not disclose this data to a third p...

Page 103: ...tive by any person other than for purposes of maintenance repair or replacement of any device or element of design incorporated into any new vehicle for the pur pose of noise control prior to its sale or delivery to the ultimate pur chaser or while it is in use and The use of the vehicle after such device or element of design has been removed or rendered inoper ative by any person BS2 28199 20 boo...

Page 104: ...for reducing 7 3 Fuel tank cap 5 16 Fuel tank overflow hose 5 18 Fuses replacing 8 34 H Handlebar switches 5 4 Hazard switch 5 5 High beam indicator light 5 5 Horn switch 5 4 I Identification numbers 11 1 Ignition circuit cut off system 5 25 Immobilizer system 5 1 Immobilizer system indicator light 5 7 Indicator lights and warning lights 5 5 L Labels location 1 1 Luggage strap holders 5 24 M Main ...

Page 105: ...raction control system indicator light 5 7 Traction control system switch 5 4 Troubleshooting 8 38 Troubleshooting charts 8 39 Turn signal indicator light 5 5 Turn signal light bulb replacing 8 37 Turn signal switch 5 4 V Valve clearance 8 19 Vehicle identification number 11 1 Vehicle lights 8 36 W Wheel bearings checking 8 32 Wheels 8 22 BS2 28199 20 book 2 ページ２０１６年９月２９日木曜日午後５時１５分 ...

Page 106: ...BS2 28199 20 book 3 ページ２０１６年９月２９日木曜日午後５時１５分 ...

Page 107: ...BS2 9 20_OCE_Brazil E_Hyoshi indd 3 2016 09 29 17 13 59 ...

Page 108: ...PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 2016 10 0 3 1 E BS2 9 20_OCE_Brazil E_Hyoshi indd 4 2016 09 29 17 13 59 ...

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Yamaha MTN850-AH, Owner'S Manual

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