Yamaha WR450F(Y) 2009 Owner's Service Manual page 34

Type
Dimensions (B × T)
End gap (installed)
Side clearance
Oil ring:
Dimensions (B × T)
End gap (installed)
Crankshaft:
Crank width "A"
Runout limit "C"
Big end side clearance "D"
Small end free play "F"
Balancer:
Balancer drive method
Air filter oil grade:
Clutch:
Friction plate thickness
Quantity
Clutch plate 1 thickness
Quantity
Warp limit
Clutch plate 2 thickness
Quantity
Warp limit
Clutch spring free length
Quantity
Clutch housing thrust clearance
Clutch housing radial clearance
Clutch release method
Item
MAINTENANCE SPECIFICATIONS
Standard
Taper
1.00 × 3.35 mm (0.04 × 0.13 in)
0.35–0.50 mm (0.014–0.020 in)
0.020–0.055 mm (0.0008–0.0022 in)
2.0 × 2.9 mm (0.08 × 0.11 in)
0.2–0.5 mm (0.01–0.02 in)
61.95–62.00 mm (2.439–2.441 in)
0.03 mm (0.0012 in)
0.15–0.45 mm (0.0059–0.0177 in)
0.4–1.0 mm (0.02–0.04 in)
Gear
Foam-air-filter oil or equivalent oil
2.92–3.08 mm (0.115–0.121 in)
8
1.9–2.1 mm (0.075–0.083 in)
4
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1.5–1.7 mm (0.059–0.067 in)
3
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50.0 mm (1.97 in)
6
0.10–0.35 mm (0.0039–0.0138 in)
0.010–0.044 mm (0.0004–0.0017 in)
Inner push, cam push
2-7
Limit
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0.85 mm (0.033
in)
0.12 mm (0.005
in)
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0.05 mm (0.002
in)
0.50 mm (0.02
in)
2.0 mm (0.08
in)
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2.8 mm (0.110
in)
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0.1 mm (0.004
in)
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0.1 mm (0.004
in)
49.0 mm (1.93
in)
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