Yamaha 2004 YXR660 Service Manual page 33

Item
Oil ring
Dimensions (B × T)
End gap (installed)
Side clearance
Crankshaft
E
C1
D
A
Crank width "A"
Runout limit C1
C2
Big end side clearance "D"
Big end radial clearance "E"
Balancer
Balancer drive method
Automatic centrifugal clutch
Clutch shoe thickness
Clutch-in revolution
Clutch-stall revolution
ENGINE SPECIFICATIONS
B
T
2.5 × 3.4 mm
(0.0984 × 0.1339 in)
0.20 ~ 0.70 mm
(0.0079 ~ 0.0276 in)
0.06 ~ 0.15 mm
(0.0024 ~ 0.0059 in)
C2
74.95 ~ 75.00 mm
(2.9508 ~ 2.9528 in)
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0.35 ~ 0.65 mm
(0.0138 ~ 0.0256 in)
0.010 ~ 0.025 mm
(0.0004 ~ 0.0010 in)
Gear
1.5 mm (0.06 in)
1,900 ~ 2,300 r/min
3,350 ~ 3,850 r/min
2 - 8
SPEC
Standard Limit
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0.03 mm
(0.0012 in)
0.03 mm
(0.0012 in)
1.0 mm
(0.0394 in)
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1.0 mm
(0.04 in)
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