Yamaha YZF-R25 Owner'S Manual Download Page 86

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PERIODIC MAINTENANCE AND ADJUSTMENT

7-41

1. Fuel

There is enough fuel.

There is no fuel.

Check the battery.

Supply fuel.

The engine does not start.
Check the battery.

3. Ignition

Wipe off with a dry cloth and correct the
spark plug gaps, or replace the 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 engine does not start.
Check the ignition.

The battery is good.

Check the battery lead connections,
and have a Yamaha dealer charge
the battery if necessary.

Dry

Wet

Operate the electric starter.

Troubleshooting charts

Starting problems or poor engine performance

Check the fuel level
in the fuel tank.

Remove the spark plugs
and check the electrodes.

Summary of Contents for YZF-R25

Page 1: ... ...

Page 2: ...Get your 2 Two free service coupon from your motorcycle dealers Sila dapatkan 2 Dua kupon servis percuma dari pengedar penjual motosikal anda 䇋 ᙼⱘ ऩ䔺 ҷ ଚ乚প 2 ϸ ᓴ ܡ 䌍ⱘ㓈ׂो ...

Page 3: ...rs from trouble and injury 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 ...

Page 4: ... to alert you to potential 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...

Page 5: ...N All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Co Ltd is expressly prohibited Printed in Malaysia YZF R25 OWNER S MANUAL 2015 by Yamaha Motor Co Ltd 1st edition March 2015 ...

Page 6: ...n 6 3 Parking 6 4 PERIODIC MAINTENANCE AND ADJUSTMENT 7 1 Owner s tool kit 7 1 Periodic maintenance chart for the emission control system 7 3 General maintenance and lubrication chart 7 5 Checking the spark plugs 7 9 Engine oil and oil filter cartridge 7 10 Coolant 7 13 Replacing the air filter element and cleaning the check hose 7 14 Checking the throttle grip free play 7 16 Valve clearance 7 16 ...

Page 7: ... 34 Replacing a turn signal light bulb 7 35 Replacing the license plate light bulb 7 35 Supporting the motorcycle 7 36 Front wheel 7 37 Rear wheel 7 38 Troubleshooting 7 40 Troubleshooting charts 7 41 MOTORCYCLE CARE AND STORAGE 8 1 Matte color caution 8 1 Care 8 1 Storage 8 3 SPECIFICATIONS 9 1 CONSUMER INFORMATION 10 1 Identification numbers 10 1 INDEX 11 1 ...

Page 8: ...ll of the labels 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 ...

Page 9: ...1 LOCATION OF IMPORTANT LABELS 1 2 100kPa 1bar kPa psi kPa psi 200 29 225 33 200 29 225 33 1WD F1668 00 2 1 31B F1568 B0 READ THIS MANUAL CAREFULLY BEFORE OPERATING THIS VEHICLE REMINDER ...

Page 10: ...the training courses nearest you Safe Riding Perform the pre operation checks each time you use the vehicle to make sure it is in safe operating condition Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equipment damage See page 5 1 for a list of pre operation checks This motorcycle is designed to carry the operator and a passenger The failure of mot...

Page 11: ...sts during operation to maintain control of the motorcycle The passenger should always hold onto the operator the seat strap or grab bar if equipped with both hands and keep both feet on the passenger footrests Never carry a passenger unles she or she can firmly place both feet on the passenger footrests Never ride under the influence of alcohol or other drugs This motorcycle is designed for on ro...

Page 12: ...distribution of the motorcycle is changed To avoid the possibility of an accident use extreme caution when adding cargo or accessories to your motorcycle Use extra care when riding a motorcycle that has added cargo or accessories Here along with the information about accessories below are some general guidelines to follow if loading cargo to your motorcycle The total weight of the operator passeng...

Page 13: ...rmed to your vehicle that change any of the vehicle s design or operation characteristics can put you and others at greater risk of serious injury or death You are responsible for injuries related to changes in the vehicle Keep the following guidelines in mind as well as those provided under Loading when mounting accessories Never install accessories or carry cargo that would impair the performanc...

Page 14: ...d choke it in a rail to prevent movement Shift the transmission in gear for models with a manual transmission Secure the motorcycle with tiedowns 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 mounted handlebars or turn signals or parts that could break Choose the location for the straps careful...

Page 15: ...lways connect the chin strap In the case of an accident the helmet has a much less chance of coming off if the chin strap is connected Types of helmets and their usage Full type use only for riding at low to mid range speeds Full face type use for riding at mid range to high speeds ...

Page 16: ...2 Main fuse page 7 31 3 Owner s tool kit page 7 1 4 Passenger seat lock page 4 15 5 Storage compartment page 4 17 6 Shock absorber assembly spring preload adjusting ring page 4 18 7 Shift pedal page 4 12 8 Engine oil drain bolt page 7 10 9 Engine oil filter cartridge page 7 10 ...

Page 17: ...box page 7 31 2 Battery page 7 30 3 Fuel tank cap page 4 13 4 Headlight page 7 33 5 Engine oil filler cap page 7 10 6 Engine oil level check window page 7 10 7 Brake pedal page 4 12 8 Rear brake light switch page 7 21 9 Rear brake fluid reservoir page 7 22 ...

Page 18: ...1 Clutch lever page 4 11 2 Left handlebar switches page 4 10 3 Multi function meter unit page 4 4 4 Main switch steering lock page 4 1 5 Front brake fluid reservoir page 7 22 6 Right handlebar switches page 4 10 7 Throttle grip page 7 16 8 Brake lever page 4 12 ...

Page 19: ...started The key cannot be removed The headlight comes on automatically when the engine is started and stays on until the key is turned to even if the engine stalls All electrical systems are off The key can be removed Never turn the key to or LOCK while the vehicle is moving Other wise the electrical systems will be switched off which may result in loss of control or an accident The steering is lo...

Page 20: ... position High beam indicator light This indicator light comes on when the high beam of the headlight is switched on Oil pressure warning light This warning light comes on if the engine oil pressure is low The electrical circuit of the warning light can be checked by turning the key to The warning light should come on and remain on until the engine is started If the warning light does not come on ...

Page 21: ...t should come on for a few seconds and then go off If the warning light does not come on initially when the key is turned to or if the warning light remains on have a Yamaha dealer check the electrical circuit The engine trouble warning light will come on while the start switch is pushed but this does not indicate a malfunction Shift timing indicator light This indicator light can be set to come o...

Page 22: ...ollowing a speedometer a tachometer a clock a fuel meter a coolant temperature meter a transmission gear display a multi function display a shift timing indicator light a self diagnosis device Be sure to turn the key to before using the SEL and RES buttons except for setting the shift timing indicator light control mode Speedometer The speedometer shows the vehicle s traveling speed 1 Tachometer 2...

Page 23: ...eep once across the fuel level range and then return to the current amount in order to test the electrical circuit The display segments of the fuel meter disappear towards E Empty as the fuel level decreases When the last segment starts flashing refuel as soon as possible TIP This fuel meter is equipped with a self diagnosis system If a problem is detected in the electrical circuit the fol lowing ...

Page 24: ...eous fuel consump tion display an average fuel consumption dis play an oil change tripmeter an oil change indicator Push the SEL button to switch the display between the odometer mode ODO tripmeter modes TRIP 1 and TRIP 2 instantaneous fuel consump tion mode km L or L 100 km average fuel consumption mode AVE_ _ _km L or AVE_ _ _ L 100 km and oil change tripmeter mode OIL TRIP in the following orde...

Page 25: ...1 0 L of fuel under the current riding conditions is shown L 100 km The amount of fuel necessary to travel 100 km under the current riding conditions is shown To switch between the instantaneous fuel consumption displays push the SEL button for one second TIP If traveling at speeds under 20 km h 12 mi h _ _ _ is displayed Average fuel consumption display The average fuel consumption display can be...

Page 26: ...L and the oil change tripmeter are flashing push the RES button for three seconds The oil change indicator will be reset If the engine oil is changed before the oil change indicator comes on i e before the periodic oil change interval has been reached the oil change tripmeter must be reset for the next periodic oil change to be indicated at the correct time Shift timing indicator light 1 Shift tim...

Page 27: ...mode 2 The tachometer will show the current setting r min for the activation point and deactivation point setting modes TIP TIP The shift timing indicator light activation point can be set between 7000r min and 15000 r min From 7000r min to 12000 r min the indicator light can be set in increments of 500 r min From 12000 r min to 15000 r min the indicator light can be set in increments of 200 r min...

Page 28: ... Self diagnosis device 1 Engine trouble warning light 2 Error code display This model is equipped with a self diagnosis device for various electrical circuits If a problem is detected in any of those circuits the engine trouble warning light will come on and the display will indicate an error code If the display indicates an error code the vehicle should be checked as soon as possible in order to ...

Page 29: ...ound the horn Engine stop switch Set this switch to before starting the engine Set this switch to to stop the engine in case of an emergency such as when the vehicle overturns or when the throttle cable is stuck Start switch Push this switch to crank the engine with the starter See page 6 2 for starting instructions prior to starting the engine The engine trouble warning light will come on when th...

Page 30: ... in combination with the clutch lever when shifting the gears of the 6 speed constant mesh transmission equipped on this motorcycle Brake pedal 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 pedal is located on the right side of the motorcycle To apply the rear brake press down on the brake pedal ...

Page 31: ...Make sure that the fuel tank cap is properly closed after filling fuel Leaking fuel is a fire hazard Make sure there is sufficient gasoline in the tank Gasoline and gasoline vapors are extremely flammable To avoid fires and explosions and to reduce the risk of injury when refueling follow these instructions Before refueling turn off the engine and be sure that no one is sitting on the vehicle Neve...

Page 32: ...oc tor immediately If gasoline spills on your skin wash with soap and water If gasoline spills on your clothing change your clothes Recommended fuel Unleaded gasoline only Fuel tank capacity 14 L 3 70 US gal 3 08 Imp gal Fuel reserve amount 3 0 L 0 79 US gal 0 66 Imp gal Use only unleaded gasoline The use of leaded gasoline will cause severe damage to internal engine parts such as the valves and p...

Page 33: ...hicle in a place where pedestrians or children are not likely to touch the hot exhaust system Make sure that the exhaust system has cooled down before doing any maintenance work Do not allow the engine to idle more than a few minutes Long idling can cause a build up of heat Use only unleaded gasoline The use of leaded gasoline will cause unrepairable damage to the catalytic converter Passenger sea...

Page 34: ...eat holder Rider seat Remove the passenger seat Remove the center cover by removing the screws 1 2 1 Center cover 2 Screw Remove the rider seat by remov ing the bolts 3 1 Rider seat 2 Bolt Insert the projection on the front of the rider seat and into the seat holder as shown then place the seat in the original position 1 1 Projection 2 Seat holder Install the rider seat bolts Install the center co...

Page 35: ...lmet may hit objects causing loss of control and possibly an accident 1 2 1 Helmet 2 Passenger seat To release a helmet from a helmet holder Remove the passenger seat remove the helmet from the helmet holder and then install the seat Storage compartment The storage compartment is located under the passenger seat See page 4 15 When storing documents or other items in the storage compartment be sure...

Page 36: ...djusting ring To avoid damaging the mechanism do not attempt to turn beyond the maximum or minimum settings Adjust the spring preload as follows To increase the spring preload and thereby harden the suspension turn the adjusting ring in direction a To decrease the spring preload and thereby soften the suspension turn the adjusting ring in direction b Align the appropriate notch in the adjusting ri...

Page 37: ...f the sidestand cannot be properly moved up or does not stay up otherwise the sidestand could contact the ground and distract the operator resulting in a possible loss of control Starting circuit cut off system The starting circuit cut off system comprising the clutch switch and the neutral switch prevents starting when the transmission is in gear and the clutch lever is not pulled Periodically ch...

Page 38: ...mission into gear 7 Keep the clutch lever pulled 8 Push the start switch Does the engine start NO YES The system is OK The motorcycle can be ridden YES NO WARNING If a malfunction is noted have a Yamaha dealer check the system before riding 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 corre...

Page 39: ...kage 7 13 Check operation If soft or spongy have Yamaha dealer bleed hydraulic system Check brake pads for wear Replace if necessary Check fluid level in reservoir If necessary add specified brake fluid to specified level Check hydraulic system for leakage 7 21 7 22 Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition Always follow the inspection and ma...

Page 40: ...rip free play and lubricate ca ble and grip housing 7 16 7 26 Make sure that operation is smooth Lubricate if necessary 7 26 Drive chain Check chain slack Adjust if necessary Check chain condition Lubricate if necessary 7 23 7 25 Check for damage Check tire condition and tread depth Check air pressure Correct if necessary 7 16 7 18 Make sure that operation is smooth Lubricate pedal pivoting points...

Page 41: ...ERATION CHECKS 5 3 Chassis fasteners Make sure that all nuts bolts and screws are properly tightened Tighten if necessary Check operation Correct if necessary E G A P S K C E H C M E T I Instruments lights signals and switches ...

Page 42: ...o stop the engine in case of a turnover In this case the multi function display indicates error code 30 but this is not a malfunction Turn the key to and then to to clear the error code Failing to do so will prevent the engine from starting even though the engine will crank when pushing the start switch An engine auto stop system The engine stops automatically if left idling for 20 minutes If the ...

Page 43: ...ion The neutral indicator light should come on If not ask a Yamaha dealer to check the electrical circuit Start the engine by pushing the start switch 1 2 3 If the engine fails to start release the start 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 For maximu...

Page 44: ... down and avoid high engine speeds with no load on the engine Turn the engine off instead of letting it idle for an extended length of time e g in traffic jams at traffic lights or at railroad crossings 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 Fort his reason you should read the following material carefully Sinc...

Page 45: ... beyond The vehicle can now be operated normally Keep the engine speed out of the tachometer red zone If any engine trouble should occur during the engine break in period immediately have a Yamaha dealer check the vehicle Parking When parking stop the engine and then remove the key from the main switch Since the engine and exhaust system can become very hot park in a place where pedestrians or chi...

Page 46: ...miliar with vehicle service have a Yamaha dealer perform the service Turn off 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 servicing can lead to eye injury burns fire or carbon monoxide poisoning possibly leading to death See p...

Page 47: ...7 PERIODIC MAINTENANCE AND ADJUSTMENT 7 2 TIP If you do not have the tools or experience required for a particular job have a Yamaha dealer perform it for you ...

Page 48: ...ce 4 Valves Check valve clearance Adjust if necessary 5 Fuel injection Adjust engine idling speed and synchronization 6 Exhaust system Check for leakage Tighten if necessary Replace gasket s if necessary TIP The annual checks must be performed every year except if a kilometer based maintenance is performed instead From 25000 km or 25 months repeat the maintenance intervals starting from 5000 km or...

Page 49: ...t off valve reed valve and hose for damage Replace the entire air induction system if necessary NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING whichever comes first ANNUAL CHECK 1000 km or 1 month 5000 km or 5 months 10000 km or 10 months 15000 km or 15 months 20000 km or 20 months ...

Page 50: ...ck operation fluid level and vehicle for fluid leakage t i m i l e h t o t n r o w r e v e n e h W s d a p e k a r b e c a l p e R 6 Rearbrake Check operation fluid level and vehicle for fluid leakage t i m i l e h t o t n r o w r e v e n e h W s d a p e k a r b e c a l p e R 7 Brake hoses Check for cracks or damage Check for correct routing and clamping s r a e y 4 y r e v E e c a l p e R 8 Brake...

Page 51: ...bearings Check bearing play and steering for roughness Lubricate with lithium soap based grease Every 20000 km 12000 mi 15 Chassis fasteners Make sure that all nuts bolts and screws are properly tightened 16 Brake lever pivot shaft Lubricate with silicone grease 17 Brake pedal pivot shaft Lubricate with lithium soap based grease 18 Clutch lever pivot shaft Lubricate with lithium soap based grease ...

Page 52: ...very 3 years 26 Check operation 27 Lubricate 28 Check operation Check throttle grip free play and adjust if necessary Lubricate cable and grip housing 29 Check operation Adjust headlight beam NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING whichever comes first ANNUAL CHECK 1000 km or 1 month 5000 km or 5 months 10000 km or 10 months 15000 km or 15 months 20000 km or 20 months Sidestand Shock ab...

Page 53: ...n unusually wet or dusty areas z 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 TIP ...

Page 54: ...hows a distinctly different color the engine could be operating improperly Do not attempt to diagnose such problems yourself Instead have a Yamaha dealer check the vehicle If a spark plug shows signs of electrode erosion and excessive carbon or other deposits it should be replaced Specified spark plug NGK CR9E Before installing a spark plug the spark plug gap should be measured with a wire thickne...

Page 55: ...ttom right side of the crankcase 1 2 3 TIP TIP The engine oil should be between the minimum and maximum level marks 1 Engine oil filler cap 2 Engine oil level check window 3 Maximum level mark 4 Minimum level mark If the engine oil is below the minimum level mark add sufficient oil of the recommended type to raise it to the correct level 4 To change the engine oil with or without oil filter cartri...

Page 56: ... thin coat of clean engine oil to the O ring of the new oil filter cartridge 6 Make sure that the O ring is properly seated Install the new oil filter cartridge with an oil filter wrench and then tighten it to the specified torque with a torque wrench 7 Tightening torque Oil filter cartridge 17 Nm 1 7 m kgf 12 ft lbf Install the engine oil drain bolt and its new gasket and then tighten the bolt to...

Page 57: ...ngine oil also lubricates the clutch do not mix any chemical additives Do not use oils with a diesel specification of CD or oils of a higher quality than specified In addition do not use oils labeled ENERGY CONSERVING II or higher Make sure that no foreign material enters the crankcase Start the engine and then let it idle for several minutes while checking it for oil leakage If oil is leaking imm...

Page 58: ...olant should be between the minimum and maximum level marks 1 Maximum level mark 2 Minimum level mark 3 Coolant reservoir If the coolant is at or below the minimum level mark remove the left side cowling and coolant reservoir cover to access the coolant reservoir 3 1 Left side cowling 2 Bolt 1 Bolt 2 Coolant reservoir cover Remove the coolant reservoir cap add coolant to the maximum level mark and...

Page 59: ... on the cowling into the slots as shown 1 Slot 2 Projection 3 Left side cowling Changing the coolant The coolant must be changed at the intervals specified in the periodic maintenance and lubrication chart Have a Yamaha dealer change the coolant WARNING Never attempt to remove the radiator cap when the engine is hot Replacing the air filter element and cleaning the check hose The air filter elemen...

Page 60: ...ase NOTICE Make sure that the air filter element is 4 properly seated in the air filter case The engine should never be operated without the air filter element installed otherwise the piston s and or cylinder s may become excessively worn Install the air filter case cover by installing the screws Install the left side panel by installing the bolts 5 6 Check the hose on the front of the air filter ...

Page 61: ...cified in the periodic maintenance and lubrication chart Tires are the only contact between the vehicle and the road Safety in all conditions 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 specified tires The tire air pressure should be checked and if neces...

Page 62: ...d depth if the tire has a nail or glass fragments in it or if the sidewall is cracked have a Yamaha dealer replace the tire immediately Minimum tire tread depth front and rear 1 0 mm 0 04 in It is dangerous to ride with a worn out tire When a tire tread begins to show crosswise lines have a Yamaha dealer replace the tire immediately The replacement of all wheel and brake related parts including th...

Page 63: ...nly the tire valves and valve cores listed below to avoid tire deflation during a high speed ride After extensive tests only the tires listed below have been approved for this model by Yamaha To maximize the performance durability and safe operation of your vehicle note the following points regarding the specified wheels The wheel rims should be checked for cracks bends warpage or other damage bef...

Page 64: ... adjusting bolt in direction b 1 2 TIP If the specified clutch lever free play could be obtained as described above skip steps 3 8 TIP Fully turn the adjusting bolt at the clutch lever in direction a to loosen the clutch cable Remove the right side cowling by removing the bolts 3 4 1 Right side cowling 2 Bolt Loosen the locknut at the crankcase To increase the clutch lever free play turn the clutc...

Page 65: ... free play at the brake lever end If there is free play have a Yamaha dealer inspect the brake system A soft or spongy feeling in the brake lever can indicate the presence of air in the hydraulic system If there is air in the hydraulic system have a Yamaha dealer bleed the system before operating the vehicle Air in the hydraulic system will diminish the braking performance which may result in loss...

Page 66: ...n b Checking the front and rear brake pads The front and rear brake pads must be checked for wear at the intervals specified in the periodic maintenance and lubrication chart Front brake pads Each front brake pad is provided with wear indicator grooves which allow you to check the brake pad wear without having to disassemble the brake To check the brake pad wear check the wear indicator grooves If...

Page 67: ...e only DOT 4 brake fluid from a sealed container Use only the specified brake fluid otherwise the rubber seals may deteriorate causing leakage Refill with the same type of brake fluid Adding a brake fluid other than DOT 4 may result in a harmful chemical reaction Be careful that water does not enter the brake fluid reservoir when refilling Water will significantly lower the boiling point of the fl...

Page 68: ...rs as well as the brake hoses replaced at the intervals listed below or whenever they are damaged or leaking Oil seals Replace every two years Brake hoses Replace every four years The drive chain slack should be checked before each ride and adjusted if necessary To check the drive chain slack Place the motorcycle on the side stand 1 TIP When checking and adjusting the drive chain slack there shoul...

Page 69: ...chain turn the drive chain slack adjusting bolt on each side of the swingarm in direction a To loosen the drive chain turn the adjusting bolt on each side of the swingarm in direction b and then push the rear wheel forward NOTICE Improper drive chain slack will overload the engine as well as other vital parts of the motorcycle and can lead to chain slippage or breakage To prevent this from occurri...

Page 70: ... periodic maintenance and lubrication chart otherwise it will quickly wear out especially when riding in dusty or wet areas Service the drive chain as follows The drive chain must be lubricated after washing the motorcycle riding in the rain or riding in wet areas Clean the drive chain with kerosene and a small soft brush NOTICE To prevent damaging the O rings do not clean the drive chain with ste...

Page 71: ...ence with cable movement Replace damaged cables as soon as possible to prevent unsafe conditions Recommended lubricant Yamaha cable lubricant or other suitable cable lubricant Checking and lubricating the throttle grip and cable The operation of the throttle grip should be checked before each ride In addition the cable should be lubricated by a Yamaha dealer at the intervals specified in the perio...

Page 72: ...m soap based grease Checking and lubricating the brake and clutch levers The operation of the brake and clutch levers should be checked before each ride and the lever pivots should be lubricated if necessary Recommended lubricants Brake lever Silicone grease Clutch lever Lithium soap based grease ...

Page 73: ...ts The swingarm pivots must be lubricated by a Yamaha dealer at the intervals specified in the periodic maintenance and lubrication chart Recommended lubricant Lithium soap based grease Checking the front fork The condition and operation of the front fork must be checked as follows at the intervals specified in the periodic maintenance and lubrication chart To check the condition Check the inner t...

Page 74: ...must be checked as follows at the intervals specified in the periodic maintenance and lubrication chart Place a stand under the engine to raise the front wheel off the ground See page 7 36 for more information WARNING To avoid injury securely support the vehicle so there is no danger of it falling over Hold the lower ends of the front fork legs and try to move them forward and backward If any free...

Page 75: ... to add distilled water However the battery lead con nections need to be checked and if necessary tightened Electrolyte is poisonous and dangerous since it contains sulfuric acid which causes severe burns Avoid any contact with skin eyes or clothing and always shield your eyes when working near batteries In case of contact administer the following FIRST AID EXTERNAL Flush with plenty of water INTE...

Page 76: ...nect the negative lead before disconnecting the positive lead If the battery will be stored for more than two months check it at least once a month and fully charge it if necessary Fully charge the battery before installation NOTICE When installing the battery be sure the key is turned to then connect the positive lead before connecting the negative lead After installation make sure that the batte...

Page 77: ...or fan motor fuse 6 Spare fuse If a fuse is blown replace it as follows Turn the key to and turn off the electrical circuit in question Remove the blown fuse and then install a new fuse of the specified amperage WARNING Do not use a fuse of a higher amperage rating than recommended to avoid causing extensive damage to the electrical system and possibly a fire 1 2 Specified fuses Main fuse 30 0 A H...

Page 78: ...eep it free from oil otherwise the transparency of the glass the luminosity of the bulb and the bulb life will be adversely affected Thoroughly clean off any dirt and finger prints on the headlight bulb using a cloth moistened with alcohol or thinner Headlight lens Do not affix any type of tinted film or stickers to the headlight lens Do not use a headlight bulb of a wattage higher than specified ...

Page 79: ...dealer adjust the headlight beam if necessary 6 7 Auxiliary light This model is equipped with an LED type auxiliary light If the auxiliary light does not come on have a Yamaha dealer check it Tail brake light This model is equipped with an LED type tail brake light If the tail brake light does not come on have a Yamaha dealer check it ...

Page 80: ...al light bulb socket Remove the burnt out bulb by pulling it out Insert a new bulb into the socket Install the socket together with the bulb by turning it clockwise Install the turn signal light lens by installing the screw NOTICE Do not over tighten the screw otherwise the lens may break 3 4 5 6 1 Mudguard 2 Quick fastener Replacing the license plate light bulb Remove the mudguard by removing the...

Page 81: ...Supporting the motorcycle Since this model is not equipped with a centerstand follow these pre cautions when removing the front and rear wheel or performing other maintenance requiring the motorcycle to stand upright Check that the motorcycle is in a stable and level position before starting any maintenance A strong wooden box can be placed under the engine for added stability Stabilize the rear o...

Page 82: ...e is no danger of it falling over Loosen the axle nut and the brake caliper bolts 1 Lift the front wheel off the ground according to the procedure in the previous section Supporting the motorcycle Remove the brake caliper by removing the bolts NOTICE Do not apply the brake after the brake calipers have been removed otherwise the brake pads will be forced shut Remove the axle nut Pull the wheel axl...

Page 83: ... torques 4 5 Tightening torques Wheel axle 60 Nm 6 0 m kgf 44 ft lbf Brake caliper bolt 35 Nm 3 5 m kgf 25 ft lbf Push down hard on the handlebar several times to check for proper fork operation 6 To avoid injury securely support the vehicle so there is no danger of it falling over Remove the drive chain puller cap and then loosen the locknut and drive chain slack adjusting nut on each side of the...

Page 84: ...e brake pads will be forced shut 7 Install the wheel and the brake caliper bracket by inserting the wheel axle from the right hand side 1 Make sure that the slot in the brake caliper bracket is fit over the retainer on the swingarm Make sure that there is enough space between the brake pads before installing the wheel Install the drive chain onto the rear sprocket Install the axle nut Lower the re...

Page 85: ...tal systems yourself However should your 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 inferior have a shorter service life and can lead to expensive repair bills When checki...

Page 86: ...ngine 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 engine does not start Check the ignition The battery is good Check the battery lead connections and have a Yamaha dealer charge the battery if necessar...

Page 87: ... to escape 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 cool ant 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 l...

Page 88: ...eaning Cover the muffler outlet with a plastic bag after the engine has cooled down Make sure that all caps and covers as well as all electrical couplers and connectors including the spark plug caps are tightly installed Remove extremely stubborn dirt like oil burnt onto the crankcase with a degreasing agent and a brush but never apply such prod 1 2 3 ucts onto seals gaskets sprockets the drive ch...

Page 89: ...oft clean sponge and then rinse thoroughly with clean water Use a toothbrush or bottle brush 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 Since sea salt is extremely corrosive in combination with water carry out the following steps after each ride in the rain or near the sea Clean the motorcycl...

Page 90: ...r nering behavior Apply spray oil and wax sparingly and make sure to wipe off any excess Never apply oil or wax to any rubber and plastic parts 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 advice on what products to use Washing rainy weather or humid climates can cause the headlight lens to fog...

Page 91: ...ctrodes while turning the engine over a b c d Remove the spark plug caps from the spark plugs and then install the spark plugs and the spark plug caps e Lubricate all control cables and the pivoting points of all levers and pedals as well as of the side stand centerstand Check and if necessary correct the tire air pressure and then lift the motorcycle so that both of its wheels are off the ground ...

Page 92: ...720 mm 28 3 in Overall height 1135 mm 44 7 in Seat height 780 mm 30 7 in Wheelbase 1380 mm 54 3 in Ground clearance 160 mm 6 30 in Minimum turning radius 2700 mm 106 3 in Weight Curb weight 166 kg 366 lb Engine Engine type Liquid cooled 4 stroke DOHC Cylinder arrangement Inline 2 cylinder Displacement 249 cm Bore x stroke 60 0 x 44 1 mm 2 36 x 1 74 in Compression ratio 11 6 1 Starting system Elect...

Page 93: ...2 persons 225 kPa 2 25 kgf cm 33 psi Front wheel Wheel type Cast wheel Rim size 17M C x MT2 75 Rear wheel Wheel type Cast wheel Rim size 17M C x MT4 00 Front brake Type Single disc brake Operation Right hand operation Specified brake fluid DOT 4 Rear brake Type Single disc brake Operation Right foot operation Specified brake fluid DOT 4 Front suspension Type Telescopic fork Spring shock absorber t...

Page 94: ...ate light 12 V 5 0 W 1 Meter lighting LED Neutral indicator light LED High beam indicator light LED Oil pressure warning light LED Turn signal indicator light LED Engine trouble warning light LED Fuses Main fuse 30 0 A Headlight fuse 15 0 A Signaling system fuse 7 5 A Ignition fuse 15 0 A Radiator fan motor fuse 7 5 A Backup fuse 7 5 A ...

Page 95: ...ow for assistance when ordering spare parts from a Yamaha dealer or for reference in case the vehicle is stolen Vehicle identification number The vehicle identification number is stamped into the frame under the passenger seat See page 4 15 TIP The vehicle identification number is used to identify your vehicle and may be used to register it with the licensing authority in your area Engine serial n...

Page 96: ...ulb replacing 7 33 Helmet holders 4 17 Helmets 2 5 High beam indicator light 4 2 Horn switch 4 11 I Identification numbers 10 1 Indicator lights and warning lights 4 2 L Labels location 1 1 License plate light bulb replacing 7 35 Luggage strap holders 4 19 M Main switch steering lock 4 1 Maintenance and lubrication periodic 7 5 Maintenance emission control system 7 3 Matte color caution 8 1 Multi ...

Page 97: ...ignal indicator light 4 2 Turn signal light bulb replacing 7 35 Turn signal switch 4 11 V Valve clearance 7 16 Vehicle identification number 10 1 W Wheel bearings checking 7 30 Wheel front 7 37 Wheel rear 7 38 Wheels 7 18 ...

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Yamaha YZF-R25, Owner'S Manual

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