2010 YAMAHA YZ450F set clock

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Page 35 of 230

YAMAHA YZ450F 2010  Owners Manual 2-5
MAINTENANCE SPECIFICATIONS
Stem-to-guide clearance (IN) 0.010–0.037 mm (0.0004–0.0015  in) 0.08 mm (0.003 
in)
Stem-to-guide clearance (EX) 0.020–0.047 mm (0.0008–0.0019  in) 0.10 mm (0.00

Page 73 of 230

YAMAHA YZ450F 2010  Owners Manual 3-17
CHASSIS
a. Lower level
A. Front
B. Rear
CHECKING THE SPROCKET
1. Inspect:
• Sprocket teeth "a"
Excessive wear→Replace.
Replace the drive sprocket, rear 
wheel sprocket and drive chain as a 
s

Page 94 of 230

YAMAHA YZ450F 2010  Owners Manual 
4-13
CAMSHAFTS
4. Measure:• Camshaft-to-cap clearanceOut of specification  → Measure 
camshaft outside diameter.
Measurement steps:
a. Install the camshaft onto the cylin- der head.
b. Position a

Page 227 of 230

YAMAHA YZ450F 2010  Owners Manual 8-4
CHASSIS
SUSPENSION SETTING (FRONT FORK)
• If any of the following symptoms is experienced with the standard position as the base, make resetting by reference to 
the adjustment procedure given i

Page 228 of 230

YAMAHA YZ450F 2010  Owners Manual 8-5
CHASSIS
SUSPENSION SETTING (REAR SHOCK ABSORBER)
• If any of the following symptoms is experienced with the standard position as the base, make resetting by reference to 
the adjustment procedur