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Read this manual carefully before operating this vehicle. OWNER’S MANUAL MXT850 BD5-28199-E0...
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EAU81570 Declaration of Conformity: Hereby, YAMAHA MOTOR ELECTRONICS Co., Ltd declares that the radio equipment type, IMMOBILIZER, BD5-00 is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: https://global.yamaha-motor.com/eu_doc/...
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Welcome to the Yamaha world of motorcycling! As the owner of the MXT850, you are benefiting from Yamaha’s vast experience and newest technology regarding the de- sign and manufacture of high-quality products, which have earned Yamaha a reputation for dependability.
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Important manual information EAU10134 Particularly important information is distinguished in this manual by the following notations: This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.
Table of contents Safety information......1-1 Adjusting the front fork ....3-30 Canister ........6-11 Adjusting the shock absorber Engine oil ........6-11 Description ........2-1 assembly........3-31 Coolant ......... 6-13 Left view ......... 2-1 Auxiliary DC jack ......3-33 Air filter element......6-15 Right view........
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Table of contents Checking and lubricating the sidestand ........6-27 Lubricating the swingarm pivots ...6-27 Checking the front fork....6-28 Checking the steering ....6-28 Lubricating the steering bearings ........6-29 Checking the wheel bearings ..6-29 Battery ...........6-29 Replacing the fuses.......6-31 Vehicle lights .........6-33 Stability bar ........6-33 Troubleshooting ......6-33 Troubleshooting charts ....6-35...
Safety information Never operate a motorcycle with- pears to be very effective in reduc- EAU84510 out proper training or instruction. ing the chance of this type of Take a training course. Beginners accident. Be a Responsible Owner should receive training from a cer- Therefore: As the vehicle’s owner, you are re- tified instructor.
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Safety information Many accidents involve inexperi- • Always signal before turning or Protective Apparel enced operators. In fact, many op- changing lanes. Make sure that The majority of fatalities from motorcy- erators who have been involved in other motorists can see you. cle accidents are the result of head in- ...
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Safety information Do not run engine outdoors where Avoid Carbon Monoxide Poisoning When loading within this weight limit, All engine exhaust contains carbon engine exhaust can be drawn into keep the following in mind: Cargo and accessory weight monoxide, a deadly gas.
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Yamaha accessories, which are avail- performed to your vehicle that change lightweight as possible and able only from a Yamaha dealer, have any of the vehicle’s design or operation should be kept to a minimum. been designed, tested, and approved characteristics can put you and others •...
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Safety information Remove all loose items from the operator and may limit control ability, therefore, such accesso- motorcycle. Confirm there are no fuel or oil ries are not recommended. Use caution when adding electri- leaks. Shift the transmission into gear. cal accessories.
Description EAU10431 Controls and instruments 1. Clutch lever (page 3-18) 9. Main switch/steering lock (page 3-2) 2. Left handlebar switches (page 3-3) 3. Auxiliary DC jack (page 3-33) 4. Multi-function meter unit (page 3-11) 5. Front brake fluid reservoir (page 6-21) 6.
When necessary, take the tire immobilizer system must be re- vehicle along with all three keys to a placed. Therefore, handle the keys Yamaha dealer to have them re-regis- carefully. Do not submerse in water. tered. Do not expose to high tempera- Do not use the key with the red bow for driving.
Instrument and control functions EAU10474 EAU84031 EAU1068B Main switch/steering lock LOCK All electrical circuits are supplied with The steering is locked and all electrical power and the vehicle lights are turned systems are off. The key can be re- on. The engine can be started. The key moved.
Instrument and control functions ECA22330 EAU66055 Handlebar switches NOTICE If the steering will not lock, try turning Using the hazard lights for an ex- Left the handlebars back to the right slight- tended length of time may cause the battery to discharge. To unlock the steering 1.
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Instrument and control functions Right ter position. To cancel the turn signal ECA10062 NOTICE lights, push the switch in after it has re- turned to the center position. Do not use the hazard lights for an extended length of time with the en- EAU66030 gine not running, otherwise the bat- Horn switch “...
If the lights do Even if the oil level is sufficient, the 12.Immobilizer system indicator light “ ” not come on, have a Yamaha dealer warning light may flicker when riding check the vehicle. on a slope or during sudden accelera- tion or deceleration, but this is not a malfunction.
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If this oc- off after traveling at a speed of 10 engine is overheating. If this occurs, curs, have a Yamaha dealer check the km/h (6 mi/h) or higher, or if the stop the engine immediately and allow on-board diagnostic system.
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(See page 3-16.) vehicle and all 3 keys to a Yamaha tor light will flash in a pattern), have a dealer to have the standard keys Yamaha dealer check the vehicle.
Instrument and control functions Activating and setting the cruise EAU84291 Cruise control system control system This model is equipped with a cruise 1. Push the cruise control power control system designed to maintain a switch “ ” located on the left set cruising speed.
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Instrument and control functions Apply the front or rear brake. You can also manually increase your Squeeze the clutch lever. traveling speed using the throttle. After Use the shift pedal. you have accelerated, you can set a new cruising speed by pushing the Push the power switch to turn off the “SET–”...
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Instrument and control functions When traveling with a set cruising ing speed. If this occurs, acceler- speed, if the cruise control system is ate to the desired traveling speed Pushing the power switch while the deactivated under the above condi- using the throttle.
Instrument and control functions multi-function meter unit EAU84540 Multi-function meter unit equipped with the following: speedometer tachometer clock fuel meter eco indicator transmission gear display drive mode display TCS display 1. Transmission gear display ...
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Instrument and control functions Speedometer The tachometer shows the engine 4. Push the “MENU” switch, and the speed. minute digits will start flashing. ECA10032 5. Push the “SELECT” switch up or NOTICE down to set the minutes. Do not operate the engine in the ta- 6.
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If a problem is detected in the electrical is appropriate for the vehicle circuit, the fuel level segments will flash speed. repeatedly. If this occurs, have a Yamaha dealer check the vehicle. Transmission gear display Eco indicator 1. Drive mode display This display indicates which drive mode has been selected: “1”, “2”...
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Instrument and control functions This display indicates which traction Multi-function display control system setting has been se- lected: “1”, “2”, or “OFF”. For more de- tails on the TCS settings and how to select them, see page 3-21. QS indicator 1.
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Instrument and control functions When the last segment of the fuel me- Instantaneous fuel consumption Average fuel consumption ter starts flashing, the display changes to the fuel reserve tripmeter “TRIP F” and starts counting the distance trav- eled from that point. In this case, push “...
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Instrument and control functions After resetting, “– –.–” will be The temperature displayed may shown until the vehicle has trav- vary from the actual ambient tem- When the coolant temperature is eled a sufficient distance. perature. below 40 °C, “Lo” will be dis- ...
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Instrument and control functions To adjust the display brightness is selected when the indicator To set the shift light off r/min 1. Turn the key to “OFF”. light flashes four times per The shift light can be set between 6000 2.
Instrument and control functions MODE 3 EAU84550 EAU12822 D-mode (drive mode) Clutch lever This mode offers response that is D-mode is an electronically controlled somewhat less sharp compared to engine performance system. MODE 2 for riding situations that re- EWA18440 quire especially sensitive throttle oper- WARNING ation.
Instrument and control functions EAU84321 EAU84560 Shift pedal Quick shift system The quick shift system (QS) allows for full-throttle, clutch lever-less, electron- ically-assisted upshifts. When the shift switch detects motion in the shift ped- al, engine power and drive torque are momentarily adjusted to allow the up- shift to occur.
Instrument and control functions EAU26826 EAU12944 EAU84570 Brake lever Brake pedal The brake lever is located on the right The anti-lock brake system (ABS) acts side of the handlebar. To apply the on the front and rear brakes indepen- front brake, pull the lever toward the dently.
Instrument and control functions The ABS performs a self-check EAU76315 Traction control system when you first start off. During this The traction control system (TCS) time a clicking noise from the hy- helps maintain traction when acceler- draulic unit may be audible, and if ating on slippery surfaces, such as un- the brake lever or brake pedal is paved or wet roads.
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Instrument and control functions TCS “1” minimizes traction control Setting the traction control system system assist. EWA15441 WARNING TCS “2” Be sure to stop the vehicle before TCS “2” maximizes traction control as- making any setting changes to the sist; wheel spin is most strongly con- traction control system.
” indicator light and er check the vehicle as soon as possi- the “ ” warning light will come on. ble. 4. Have a Yamaha dealer check the vehicle and turn off the “ ” 1. Fuel tank cap lock cover warning light.
Instrument and control functions EAU13222 Fuel The fuel tank cap cannot be closed un- Make sure there is sufficient gasoline in less the key is in the lock. In addition, the tank. the key cannot be removed if the cap is EWA10882 WARNING not properly closed and locked.
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Use only unleaded gasoline. The use of leaded gasoline will cause severe Your Yamaha engine has been de- damage to internal engine parts, signed to use premium unleaded gas- such as the valves and piston rings, oline with a research octane number of as well as to the exhaust system.
Instrument and control functions EAU80200 EAU13434 Fuel tank overflow hose Catalytic converter See page 6-11 for canister information. This model is equipped with a catalytic converter in the exhaust system. EWA10863 WARNING The exhaust system is hot after op- eration. To prevent a fire hazard or burns: ...
Instrument and control functions To install the passenger seat ECA10702 EAU84580 Seats NOTICE 1. Insert the projection on the front of Use only unleaded gasoline. The use the passenger seat into the seat Passenger seat of leaded gasoline will cause unre- holder as shown, and then push pairable damage to the catalytic the rear of the seat down to lock it...
Instrument and control functions To install the rider seat EAU84590 Helmet holding cable 1. Insert the projection on the front of A helmet holding cable is provided to the rider seat into the seat holder allow you to secure helmet(s) to the ve- as shown, and then place the seat hicle.
Instrument and control functions Do not exceed the maximum EAU14465 Storage compartment load of 195 kg (430 lb) for the ve- hicle. 1. Storage pouch 3. Pass the helmet holding cable 1. Storage compartment through the buckle on the helmet The storage compartment is located strap.
Instrument and control functions EAU39672 EAU84600 ECA10102 Rear view mirrors Adjusting the front fork NOTICE The rear view mirrors of this vehicle EWA10181 To avoid damaging the mechanism, WARNING can be folded forward or backward for do not attempt to turn beyond the parking in narrow spaces.
Instrument and control functions EAU84610 Rebound damping setting: Compression damping setting: Adjusting the shock absorber Minimum (soft): Minimum (soft): assembly 17 click(s) in direction (b) 13 click(s) in direction (b) This shock absorber assembly is Standard: Standard: 13 click(s) in direction (b) 8 click(s) in direction (b) equipped with a spring preload adjust- Maximum (hard):...
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Instrument and control functions Although a damping force adjust- direction (a). To decrease the rebound damping force and thereby soften the er may turn beyond the stated rebound damping, turn the adjusting minimum settings, such adjust- screw in direction (b). ments are ineffective and may damage the suspension.
EAU49454 Auxiliary DC jack worn-out shock absorber as- auxiliary DC jack. sembly yourself. Take the shock absorber assembly to a Yamaha dealer for any service. 1. Auxiliary DC jack cap 1. Auxiliary DC jack A 12-V accessory connected to the 5.
EAU70641 EAU15306 Auxiliary DC connector Sidestand Yamaha dealer repair it if it does not This vehicle is equipped with an auxil- The sidestand is located on the left function properly. iary DC connector. Consult your side of the frame.
Instrument and control functions EAU57952 Ignition circuit cut-off system This system prevents in-gear engine starts unless the clutch lever is pulled and the sidestand is up. Also, it will stop the running engine should the sidestand be lowered while the trans- mission is in gear.
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The neutral switch may not be working. 6. Move the sidestand up. The motorcycle should not be ridden until 7. Pull the clutch lever. checked by a Yamaha dealer. 8. Shift transmission into gear. 9. Move the sidestand down. Does the engine stall? The sidestand switch may not be working.
• If necessary, add recommended coolant to specified level. 6-13 Coolant • Check cooling system for leakage. • Check operation. • If soft or spongy, have Yamaha dealer bleed hydraulic system. • Check brake pads for wear. Front brake • Replace if necessary. 6-20, 6-21 •...
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• Make sure that operation is smooth. • Check throttle grip free play. 6-15, 6-25 Throttle grip • If necessary, have Yamaha dealer adjust throttle grip free play and lubricate ca- ble and grip housing. • Make sure that operation is smooth. Control cables 6-25 •...
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• Tighten if necessary. Instruments, lights, signals • Check operation. — and switches • Correct if necessary. • Check operation of ignition circuit cut-off system. Sidestand switch 3-34 • If system is not working correctly, have Yamaha dealer check vehicle.
To start the engine with a lean angle sensor. This sensor understand, ask your Yamaha dealer. the transmission in gear, the sidestand stops the engine in case of a vehi- EWA10272 must be up and the clutch lever pulled.
If a warning or indicator light does not work as described above, have a the neutral position, do not Yamaha dealer check the vehicle. coast for long periods of time with the engine off, and do not 4. Push the start switch “...
Operation and important riding points EAU17214 Parking When parking, stop the engine, and then remove the key from the main switch. EWA10312 WARNING 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.
To avoid possible burns, let tivities incorrectly may increase brake components cool before your risk of injury or death during touching them. service or while using the vehicle. If you are not familiar with vehicle ser- vice, have a Yamaha dealer perform service.
However, a torque wrench and other tools are necessary to perform certain maintenance work correctly. If you do not have the tools or experi- ence required for a particular job, have your Yamaha dealer perform it for you.
EAU71033 Periodic maintenance charts Items marked with an asterisk should be performed by your Yamaha dealer because these items require special tools, data, and technical skills. From 50000 km (30000 mi), repeat the maintenance intervals starting from 10000 km (6000 mi).
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Periodic maintenance and adjustment ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 10000 km 20000 km 30000 km 40000 km CHECK (600 mi) (6000 mi) (12000 mi) (18000 mi) (24000 mi) • Check control system for dam- Evaporative emis- √...
• Perform dynamic inspection us- Diagnostic system √ √ √ √ √ √ ing Yamaha diagnostic tool. check • Check the error codes. 2 * Air filter element • Replace. Every 40000 km (24000 mi) • Check operation. √ √...
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Periodic maintenance and adjustment ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 10000 km 20000 km 30000 km 40000 km CHECK (600 mi) (6000 mi) (12000 mi) (18000 mi) (24000 mi) • Check bearing play and steering √ √...
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Periodic maintenance and adjustment ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 10000 km 20000 km 30000 km 40000 km CHECK (600 mi) (6000 mi) (12000 mi) (18000 mi) (24000 mi) • Check operation and for oil leak- √...
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Periodic maintenance and adjustment ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 10000 km 20000 km 30000 km 40000 km CHECK (600 mi) (6000 mi) (12000 mi) (18000 mi) (24000 mi) Lights, signals and • Check operation. √ √...
Periodic maintenance and adjustment EAU18752 Removing and installing the panel The panel shown needs to be removed to perform some of the maintenance jobs described in this chapter. Refer to this section each time the panel needs to be removed and installed. 1.
1/2 turn past finger tight. However, the Yamaha dealer. Since heat and depos- with a wire thickness gauge and, if spark plug should be tightened to the its will cause any spark plug to slowly necessary, adjusted to specification.
Periodic maintenance and adjustment To check the engine oil level EAU36112 EAU1990E Canister Engine oil 1. After warming up the engine, wait The engine oil level should be checked a few minutes for the oil to settle. regularly. In addition, the oil must be 2.
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An oil filter wrench is available at a oil filler cap and add oil. Yamaha dealer. 5. Check the engine oil filler cap O- 5. Apply a thin coat of clean engine ring. Replace if damaged.
7. Install the engine oil drain bolt with NOTICE: Do not operate the ve- If genuine Yamaha coolant is not avail- a new gasket, and then tighten the able, use an ethylene glycol antifreeze hicle until you know that the en- bolt to the specified torque.
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The coolant must be changed at the in- tervals specified in the periodic main- tenance and lubrication chart. Have a Yamaha dealer change the coolant. WARNING! Never attempt to remove the radiator cap when the engine is 1. Coolant reservoir cap hot.
Check the engine idling speed and, if Measure the throttle grip free play as maintenance and lubrication chart. necessary, have it corrected by a shown. Have a Yamaha dealer replace the air Yamaha dealer. filter element. Engine idling speed: 1100–1300 r/min 1.
2 persons: To prevent this from occurring, have Front: your Yamaha dealer check and adjust Tire air pressure 225 kPa (2.25 kgf/cm², 33 psi) Rear: the valve clearance at regular intervals. The tire air pressure should be 290 kPa (2.90 kgf/cm², 42 psi)
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“broken used or have only been used occasion- wall is cracked, have a Yamaha dealer in” for it to develop its optimal ally. Cracking of the tread and sidewall replace the tire immediately.
If any damage is found, have high speeds. After extensive tests, only the tires list- a Yamaha dealer replace the Brand-new tires can have a rel- ed below have been approved for this wheel. Do not attempt even the atively poor grip on certain road model by Yamaha.
Measure the clutch lever free play as clutch does not operate correctly, have shown. a Yamaha dealer check the internal 1 (a) clutch mechanism. 1. No brake lever free play There should be no free play at the 1.
Since the brake light switches are lubrication chart. components of the anti-lock brake sys- tem, they should only be serviced by a EAU22433 Front brake pads Yamaha dealer. 1. Brake pad wear indicator groove 6-20...
If a brake indicator grooves have almost disap- pad has worn to the point that a wear peared, have a Yamaha dealer replace indicator groove almost appears, have the brake pads as a set. a Yamaha dealer replace the brake pads as a set.
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Periodic maintenance and adjustment Use only the specified brake flu- Rear brake fluid level goes down suddenly, have a Yamaha dealer check the cause before id; otherwise, the rubber seals may deteriorate, causing leak- further riding. age. Refill with the same type of brake fluid.
Drive chain slack: Changing the brake fluid Drive chain slack 5.0–15.0 mm (0.20–0.59 in) Have a Yamaha dealer change the The drive chain slack should be brake fluid every 2 years. In addition, checked before each ride and adjusted 4. If the drive chain slack is incorrect, have the seals of the master cylinders if necessary.
Periodic maintenance and adjustment EAU23026 Cleaning and lubricating the drive chain The drive chain must be cleaned and lubricated at the intervals specified in the periodic maintenance and lubrica- tion chart, otherwise it will quickly wear out, especially when riding in dusty or wet areas.
Periodic maintenance and adjustment EAU44276 EAU23144 Recommended lubricant: Checking and lubricating the Checking and lubricating the Lithium-soap-based grease brake and shift pedals brake and clutch levers The operation of the brake and shift The operation of the brake and clutch pedals should be checked before each levers should be checked before each ride, and the pedal pivots should be lu-...
The operation of the sidestand should The swingarm pivots must be lubricat- be checked before each ride, and the ed by a Yamaha dealer at the intervals sidestand pivot and metal-to-metal specified in the periodic maintenance contact surfaces should be lubricated and lubrication chart.
If any damage is found or the front face and hold it in an upright posi- fork does not operate smoothly, tion. WARNING! To avoid injury, have a Yamaha dealer check or re- securely support the vehicle so pair it. there is no danger of it falling over.
Lubricating the steering bear- Checking the wheel bearings Battery ings The front and rear wheel bearings must be checked by a Yamaha dealer at the intervals specified in the periodic main- tenance chart. 1. Battery 2. Positive battery lead (red) The steering bearings must be lubricat- 3.
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To charge the battery 3. Fully charge the battery before in- stallation. NOTICE: When install- Have a Yamaha dealer charge the bat- tery as soon as possible if it seems to ing the battery, be sure to turn have discharged. Keep in mind that the...
Periodic maintenance and adjustment EAU84650 Replacing the fuses The fuse boxes and individual fuses are located under the rider seat (see page 3-27) and behind panel A (see page 6-9). To access fuse box 1, the main fuse, and the ABS motor fuse, remove the rider seat.
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4. If the fuse immediately blows tion. again, have a Yamaha dealer 2. Remove the blown fuse, and then check the electrical system. install a new fuse of the specified amperage.
1. Stability bar self. However, should your motorcycle This model is equipped with a stability require any repair, take it to a Yamaha bar. dealer, whose skilled technicians have ECA26440 the necessary tools, experience, and...
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Periodic maintenance and adjustment heaters or furnaces. Gasoline or gasoline vapors can ignite or ex- plode, causing severe injury or prop- erty damage. 6-34...
Remove the spark plugs and check the electrodes. The engine does not start. Have a Yamaha dealer check the vehicle. Check the compression. 4. Compression The engine does not start. There is compression.
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Start the engine. If the engine overheats again, have a The coolant level Yamaha dealer check and repair the cooling system. is OK. If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended cool- ant as soon as possible.
Be performance and extend the useful life high-pressure washers sure to consult a Yamaha dealer for of many components. Washing, clean- steam-jet cleaners. Excessive ing, and polishing will also give you a advice on what products to use be-...
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Motorcycle care and storage chemicals such as, solvents, Washing some cleaning compounds for gasoline, rust removers, brake 1. Rinse off any degreaser and spray plastic may scratch the wind- fluid, or antifreeze, etc. down the vehicle with a garden shield, so be sure to test all hose.
Motorcycle care and storage Do not use abrasive polishing treads. Otherwise these parts EAU83472 Storage will become slippery, which compounds as they will wear Always store the vehicle in a cool, dry could cause loss of control. away the paint. place.
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Motorcycle care and storage 1. Make all necessary repairs and b. Pour a teaspoonful of engine wheels a little once a month in or- perform any outstanding mainte- oil into the spark plug bore. der to prevent the tires from be- nance.
These identification numbers are needed when registering the vehicle with the authorities in your area and when ordering spare parts from a Yamaha dealer. VEHICLE IDENTIFICATION NUMBER: 1. Vehicle identification number 1. Engine serial number The vehicle identification number is The engine serial number is stamped stamped into the frame.
Consumer information The model label is affixed to the loca- Yamaha will not disclose this data to a EAU85300 Vehicle data recording tion shown. Record the information on third party except in the following cas- This model’s ECU stores certain vehi- this label in the space provided.