2016 YAMAHA WR 450F drain bolt

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Page 18 of 426

YAMAHA WR 450F 2016  Owners Manual DESCRIPTION
1-4
EAS2GC1009
DESCRIPTION
TIP
Designs and specifications of the vehicle are subject to change without notice. Therefore, please 
note that the descriptions in this manual may be  differen

Page 45 of 426

YAMAHA WR 450F 2016  Owners Manual MAINTENANCE AFTER BREAK-IN
1-31
EAS2GC1055
MAINTENANCE AFTER BREAK-IN
After a break-in, perform careful maintenance 
to get ready for the next practice or race.
Refer to “PRE-OPERATION INSPECTION 
A

Page 64 of 426

YAMAHA WR 450F 2016  Owners Manual TIGHTENING TORQUES
2-13
EAS2GC1066ENGINE TIGHTENING TORQUES
TIP
- marked portion shall be checked for torque tightening after break-in or before each race.
ITEM Thread 
size Q’ty TIGHTENING TORQUES

Page 65 of 426

YAMAHA WR 450F 2016  Owners Manual TIGHTENING TORQUES
2-14
Throttle body joint clamp boltM5 1 3.0 Nm (0.30 m·kgf, 2.2 ft·lbf)
Air filter joint clamp bolt M4 1 3.5 Nm (0.35 m·kgf, 2.5 ft·lbf)
Air filter case bolt M6 3 7 Nm (0.7 m·k

Page 108 of 426

YAMAHA WR 450F 2016  Owners Manual ENGINE
3-10
EAS2GC1081
ENGINE
EAS2GC1082CHECKING THE COOLANT LEVELEWA
WARNING
If coolant seems hot, do not remove the ra-
diator cap.
1. Stand the vehicle upright on a level surface.
2. Remove:• Rad

Page 109 of 426

YAMAHA WR 450F 2016  Owners Manual ENGINE
3-11
3. Remove:• Radiator capSlowly loosen the radiator cap to drain cool-
ant.
TIP
When the radiator cap is loosened, coolant will 
gush out transversely; therefore, bring the con-
tainer ne

Page 114 of 426

YAMAHA WR 450F 2016  Owners Manual ENGINE
3-16
3. Check:• Tightening torques
4. Install: • Exhaust pipe protector
EAS2GC1095CHECKING THE FUEL LINE
1. Remove:• Seat
• Side cover (left/right)
• Air scoop (left/right)Refer to

Page 115 of 426

YAMAHA WR 450F 2016  Owners Manual ENGINE
3-17
NOTICE
• Since engine oil also lubricates the clutch, the wrong oil types or additives could 
cause clutch slippage. Therefore, do not 
add any chemical additives.
• Do not allow forei
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