2011 YAMAHA WR 450F light

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Page 184 of 230

YAMAHA WR 450F 2011  Owners Manual 6-16
FRONT FORK
FRONT FORK
REMOVING THE FRONT FORK
Order Part name Qty Remarks
A. For CDN
Hold the machine by placing the suitable stand 
under the engine.Refer to "HANDLING NOTE".
Front wheel Refer

Page 191 of 230

YAMAHA WR 450F 2011  Owners Manual 6-23
HANDLEBAR
HANDLEBAR
REMOVING THE HANDLEBAR
Order Part name Qty Remarks
Headlight 
1 Hot starter cable 1 Disconnect at the lever side.
2 Hot starter lever holder 1
3 Clutch cable 1 Disconnect at

Page 195 of 230

YAMAHA WR 450F 2011  Owners Manual 6-27
STEERING
STEERING
REMOVING THE STEERING
Order Part name Qty Remarks
A. For CDN
TIGHTENING STEPS:
• Tighten ring nut. 38 Nm (3.8 m•kg, 27 ft•lb)
• Loosen it one turn.
• Retighten it. 7

Page 205 of 230

YAMAHA WR 450F 2011  Owners Manual 6-37
REAR SHOCK ABSORBER
2 Taillight coupler 1
3 CDI unit coupler 3
4 Plastic band 1
5 Clamp (air filter joint) 1 Only loosening.
6Rear frame 1
7 Bolt (rear shock absorber-relay arm) 1 Hold the swinga

Page 208 of 230

YAMAHA WR 450F 2011  Owners Manual 6-40
REAR SHOCK ABSORBER
7. Tighten:
• Screw (air filter joint) "1"
8. Install:
• Plastic band
• Taillight coupler
• Locking tieScrew (air filter joint):
3 Nm (0.3 m•kg, 2.2 
ft•lb)

Page 209 of 230

YAMAHA WR 450F 2011  Owners Manual 7-1
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
ELECTRICAL
This section is intended for those who have basic knowledge and skill concerning the servicing of Yamaha motorcycles 
(e.g., Yamaha dealers, ser

Page 210 of 230

YAMAHA WR 450F 2011  Owners Manual 
7-2
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
WIRING DIAGRAM
1. Headlight
2. Multi-function display
3. Engine stop switch
4. Clutch switch
5. Diode
6. Starter relay diode
7. Throttle position sensor
8

Page 212 of 230

YAMAHA WR 450F 2011  Owners Manual 7-4
IGNITION SYSTEM
SPARK GAP TEST
1. Disconnect the ignition coil from 
spark plug.
2. Remove the ignition coil cap.
3. Connect the dynamic spark tester 
"1" (ignition checker "2") as 
shown.
• Ign
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