YAMAHA WR 450F 2016 Repair Manual

YAMAHA WR 450F 2016 Repair Manual WR 450F 2016 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52441/w960_52441-0.png YAMAHA WR 450F 2016 Repair Manual
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YAMAHA WR 450F 2016 Repair Manual ELECTRICAL SPECIFICATIONS
2-10
EAS2GC1064
ELECTRICAL SPECIFICATIONS
VoltageSystem voltage 12 V
Ignition systemIgnition system TCI
Advancer type Digital
Ignition timing (B.T.D.C.) 10.0 ° at 2000 r/min

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YAMAHA WR 450F 2016 Repair Manual ELECTRICAL SPECIFICATIONS
2-11
Starter motorPower output 0.48 kW
Armature coil resistance 0.0117–0.0143  
Brush overall length 7.0 mm (0.28 in)
Limit 3.50 mm (0.14 in)
Brush spring force 3.92–5

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YAMAHA WR 450F 2016 Repair Manual TIGHTENING TORQUES
2-12
EAS20320
TIGHTENING TORQUES
EAS2GC1065GENERAL TIGHTENING TORQUE SPECIFI-
CATIONS
This chart specifies tightening torques for stan-
dard fasteners with a standard ISO thread 
pi

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YAMAHA WR 450F 2016 Repair 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

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YAMAHA WR 450F 2016 Repair 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

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YAMAHA WR 450F 2016 Repair Manual TIGHTENING TORQUES
2-15
TIP
*1:Cylinder head bolt
First, tighten the cylinder head bolts to 30 Nm (3.0 m·kgf, 22 ft·lbf) in the proper tightening sequence 
and remove them. Retighten the cylinder he

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YAMAHA WR 450F 2016 Repair Manual TIGHTENING TORQUES
2-16
TIP
*2:Exhaust pipe nut
First temporarily tighten all nuts to 7 Nm (0.7 m·kgf, 5.1 ft·lbf). Then retighten them to 10 Nm (1.0 
m·kgf, 7.2 ft·lbf).
1
42
3
x4
FWD

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YAMAHA WR 450F 2016 Repair Manual TIGHTENING TORQUES
2-17
EAS2GC1067CHASSIS 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

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YAMAHA WR 450F 2016 Repair Manual TIGHTENING TORQUES
2-18
Front brake disc boltM6 6 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Rear brake disc bolt M6 6 14 Nm (1.4 m·kgf, 10 ft·lbf)
Footrest bracket bolt M10 4 55 Nm (5.5 m·kgf, 40 ft·lbf)
Si

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YAMAHA WR 450F 2016 Repair Manual TIGHTENING TORQUES
2-19
Drive chain tensioner bolt (lower 
side)M8 1 16 Nm (1.6 m·kgf, 12 ft·lbf)
Drive chain support bolt M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Drive chain support nut M6 2 7 Nm (0.7
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