Specifications - Yamaha Raptor 90 YFM90RA 2011 Service Manual

Item
Piston rings
Top ring
Type
Dimensions (B × T)
End gap (installed)
Side clearance (installed)
2nd ring
Type
Dimensions (B × T)
End gap (installed)
Side clearance
Oil ring
Dimensions (B × T)
End gap (installed)
Crankshaft
C1
A " "
Crankwidth
Runout limit C1
C2
Big end side clearance "D"
Big end radial clearance "E"
Small end free play "F"
ENGINE SPECIFICATIONS
B
T
1.0 × 2.1 mm
(0.0394 × 0.0827 in)
0.10 ~ 0.25 mm
(0.0039~0.0098in)
0.015 ~0.055 mm
(0.0006~0.0022in)
B
T
Taper
1.0 × 2.0 mm
0.0394 × 0.0787 in)
0.25 ~ 0.40 mm
(0.0098~0.0157in)
0.015 ~ 0.055 mm
(0.0006~0.0022in)
B
T
2.0 × 1.9 mm
(0.0787 × 0.0748 in)
0.20 ~ 0.70 mm
(0.0079~0.0276in)
F
C2
E
D
A
44.10~44.15mm
(1.7362~1.7382in)
0.10~0.30mm
(0.0039~0.0118in)
0.007~0.015mm
(0.0003~0.0006in)
0.80~1.00mm
(0.0315~0.0394in)
2 - 8
Standard
Barrel
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SPEC
Limit
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0.45 mm
(0.0177in)
0.09 mm
(0.0035in)
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0.55mm
(0.0217in)
0.09mm
(0.0035in)
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0.04 mm
(0.0016in)
0.04 mm
(0.0016in)
0.50 mm
(0.0197in)
----
1.50mm
(0.0591in)