2015 YAMAHA WR 450F brake fluid

TABLE OF CONTENTSSAFETY INFORMATION................... 1-1
DESCRIPTION ................................... 2-1
Left view .......................................... 2-1
Right view ........................................ 2-2
Controls and instrument s................. 2-3
INSTRUMENT AND CONTROL
FUNCTIONS ....................................... 3-1
Main switch ...................................... 3-1
Indicator lights and warning lights ... 3-1
Multi-function display ....................... 3-2
Handlebar switches ......................... 3-7
Clutch lever...................................... 3-8
Shift pedal....... ............................. .... 3-8
Brake lever ...................................... 3-8
Brake pedal ..................................... 3-9
Fuel tank cap ................................... 3-9
Fuel................................................ 3-10
Fuel tank breather hose................. 3-11
Catalytic converter ......................... 3-11
Starter knob ................................... 3-12
Kickstarter....... ............................. .. 3-12
Steering lock .................................. 3-13
Seat ............................................... 3-13
Adjusting the front fork................... 3-14
Front fork bleeding......................... 3-15
Adjusting the shock absorber assembly .................................... 3-16
Sidestand....................................... 3-18
Ignition circuit cut-of f system ......... 3-19 FOR YOUR SAFETY –
PRE-OPERATION CHECKS
............. 4-1
OPERATION AND IMPORTANT
RIDING POINTS ................................. 5-1
Starting a cold engine ..................... 5-1
Starting a warm engine . .................. 5-3
Shifting ............................................ 5-3
Tips for reducing fuel consumption ................................ 5-4
Engine break-in ............................... 5-4
Parking ............................................ 5-5
PERIODIC MAINTENANCE AND
ADJUSTMENT ................................... 6-1
Owner’s tool kit................................ 6-2
Periodic maintenance chart for
the emission contro l system ........ 6-3
General maintenance and lubrication chart ........................... 6-4
Removing and installing the panel ............................................ 6-7
Checking the spark plug.................. 6-7
Engine oil and oil filter element ....... 6-8
Coolant .......................................... 6-13
Cleaning the air filter element and check hose.......................... 6-14
Adjusting the engine idling
speed ......................................... 6-17
Checking the throttle grip free play ............................................ 6-18 Valve clearance ............................. 6-18
Tires ............................................... 6-18
Spoke wheels ................................ 6-20
Adjusting the clutch lever free
play ............................................. 6-21
Checking the brake lever free play ............................................. 6-22
Checking the shift pedal ................ 6-23
Brake light switches ....................... 6-23
Checking the front and rear brake pads.................................. 6-23
Checking the brake fluid level ........ 6-24
Changing the brake fluid ................ 6-25
Drive chain slack............................ 6-25
Cleaning and lubricating the drive chain .................................. 6-27
Checking and lubricating the
cables ......................................... 6-27
Checking and lubricating the throttle grip and cable ................. 6-28
Checking and lubricating the brake and clutch levers .............. 6-28
Checking and lubricating the
brake pedal................................. 6-29
Checking and lubricating the
sidestand .................................... 6-29
Lubricating the swingarm pivots .... 6-29
Checking the front fork................... 6-30
Checking the steering .................... 6-30
Checking the wheel bearings......... 6-31
Battery ........................................... 6-311DX-9-E3.book 1 ページ ２０１４年２月１７日　月曜日　午後２時２１分

DESCRIPTION
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EAU10421
Right view
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10
12
9 4
1. Shock absorber assembly comp
ression damping force adjusting
screw (for slow compression damping) (page 3-16)
2. Shock absorber assembly compression damping force adjusting nut (for fast compression damping) (page 3-16)
3. Kickstarter (page 3-12)
4. Fuel tank cap (page 3-9)
5. Radiator cap (page 6-13)
6. Steering lock (page 3-13) 7. Coolant drain bolt (page 6-13)
8. Brake pedal (page 3-9)
9. Engine oil drain bolt (crankcase) (page 6-8)
10.Rear brake fluid reservoir (page 6-24)
11.Shock absorber assembly reboun
d damping force adjusting screw
(page 3-16)
12.Rear brake light switch (page 6-23)
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DESCRIPTION
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EAU10431
Controls and instruments
12 3
4 5
6
8
7
1. Clutch lever (page 3-8)
2. Left handlebar switches (page 3-7)
3. Multi-function display (page 3-2)
4. Main switch (page 3-1)
5. Front brake fluid reservoir (page 6-24)
6. Right handlebar switches (page 3-7)
7. Brake lever (page 3-8)
8. Throttle grip (page 6-18)
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4-1
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FOR YOUR SAFETY – PRE-OPERATION CHECKS
EAU15598
Inspect your vehicle each time you use it to make sure the vehi cle is in safe operating condition. Always follow the inspection
and maintenance procedures and schedules described in the Owner’s Manual.
WARNING
EWA11152
Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equipment damage.
Do not operate the vehicle if you find any problem. If a problem cannot be corrected by the procedures provided inthis manual, have the vehicle inspected by a Yamaha dealer.
Before using this vehicle, check 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 for
obstructions, cracks or damage, and check
hose connection. 3-10, 3-11
Engine oil Check oil level in oil tank.
If necessary, add recommended oil to specified level.
Check vehicle for oil leakage. 6-8
Coolant Check coolant level.
If necessary, add recommended coolant to specified level.
Check cooling system for leakage. 6-13
Front brake 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. 6-23, 6-24
1DX-9-E3.book 1 ページ ２０１４年２月１７日　月曜日　午後２時２１分

FOR YOUR SAFETY – PRE-OPERATION CHECKS
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Rear brake 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. 6-23, 6-24
Clutch Check operation.
Lubricate cable if necessary.
Check lever free play.
Adjust if necessary. 6-21
Throttle grip Make sure that operation is smooth.
Check throttle grip free play.
If necessary, have Yamaha dealer adjust th
rottle grip free play and lubricate cable
and grip housing. 6-18, 6-28
Control cables Make sure that operation is smooth.
Lubricate if necessary. 6-27
Drive chain Check chain slack.
Adjust if necessary.
Check chain condition.
Lubricate if necessary. 6-25, 6-27
Wheels and tires Check for damage.
Check tire condition and tread depth.
Check air pressure.
Correct if necessary. 6-18, 6-20
Shift pedal Make sure that operation is smooth.
Correct if necessary. 6-23
Brake pedal Make sure that operation is smooth.
Lubricate pedal pivoting point if necessary. 6-29
Brake and clutch levers Make sure that operation is smooth.
Lubricate lever pivoting points if necessary. 6-28
Sidestand Make sure that operation is smooth.
Lubricate pivot if necessary. 6-29
ITEM CHECKS PAGE
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PERIODIC MAINTENANCE AND ADJUSTMENT
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EAU52582
General maintenance an d lubrication chartNO. ITEM CHECKS AND MAINTENANCE JOBS INITIAL
ODOMETER
READINGS ANNUAL
CHECK
1000 km
(600 mi) or 1 month 3000 km
(1800 mi) or 3 months 5000 km
(3000 mi) or 6 months
1 *Air filter element Clean.
Replace if damaged. 
2Clutch Check operation.
Adjust or replace cable. 
3 *Front brake Check operation, fluid level and vehicle for fluid leakage.

Replace brake pads. Whenever worn to the limit
4 *Rear brake Check operation, fluid level and vehicle for fluid leakage.

Replace brake pads. Whenever worn to the limit
5 *Brake hoses Check for cracks or damage.
Check for correct routing and clamping.

Replace. Every 20000 km (12000 mi) or every two years
6 *Brake fluid Replace. Every 2 years
7 *Wheels Check runout, spoke tightness and for damage.
Tighten spokes if necessary. 
8 *Tires Check tread depth and for damage.
Replace if necessary.
Check air pressure.
Correct if necessary. 
9 *Wheel bearings Check bearing for looseness or damage. 
10 *Swingarm Check operation and for excessive play.
Lubricate with lithium-soap-based grease. 
11 Drive chain Check chain slack, alignment and condition.
Adjust and lubricate chain wi
th a special O-ring chain
lubricant thoroughly. Every ride
12 *Steering bearings Check bearing play and steering for roughness.
Lubricate with lithium-soap-based grease. 
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PERIODIC MAINTENANCE AND ADJUSTMENT
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EAU53211
TIP
The air filter needs more frequent service if y ou are 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 tw o years and if cracked or damaged.
26*Moving parts and
cables Lubricate.

27 *Throttle grip Check operation.
Check throttle grip free play, and adjust if necessary.
Lubricate cable and grip housing. 
28 *Lights, signals and
switches Check operation.
Adjust headlight beam.

NO. ITEM CHECKS AND MAINTENANCE JOBS
INITIAL
ODOMETER
READINGS ANNUAL
CHECK
1000 km
(600 mi) or 1 month 3000 km
(1800 mi) or 3 months 5000 km
(3000 mi) or 6 months
1DX-9-E3.book 6 ページ ２０１４年２月１７日　月曜日　午後２時２１分

PERIODIC MAINTENANCE AND ADJUSTMENT
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peared, have a Yamaha dealer replace
the brake pads as a set.
EAU48071
Rear brake pads
Each rear brake pad is provided with a
wear indicator groove, which allows
you to check the brake pad wear with-
out having to disassemble the brake.
To check the brake pad wear, check
the wear indicator groove. If a brake
pad has worn to the point that the wear
indicator groove almost appears, have
a Yamaha dealer replace the brake
pads as a set.
EAU22582
Checking the brake fluid levelBefore riding, check that the brake fluid
is above the minimum level mark.
Check the brake fluid level with the top
of the reservoir level. Replenish the
brake fluid if necessary.
Front brake
Rear brake
WARNING
EWA15991
Improper maintenance can result in
loss of braking ability. Observe
these precautions:
Insufficient brake fluid may al-
low air to enter the brake sys-
tem, reducing braking
performance.

Clean the filler cap before re-
moving. Use only DOT 4 brake
fluid from a sealed container.

Use only the specified brake flu-
id; otherwise, the rubber seals
1. Brake pad wear indicator groove
1
1. Minimum level mark1
1. Minimum level markSpecified brake fluid:
DOT 41
1DX-9-E3.book 24 ページ ２０１４年２月１７日　月曜日　午後２時２１分