Yamaha 2004 YP400 Service Manual page 38

Item
2nd ring
Ring type
Dimensions (B × T)
End gap (installed)
Ring side clearance
Oil ring
Dimensions (B × T)
End gap (installed)
Ring side clearance
Crankshaft
C
E
A
Width A
Maximum runout C
Big end side clearance D
Big end radial clearance E
Crankshaft-journal-to-crankshaft-
journal-bearing clearance
Bearing color code
ENGINE SPECIFICATIONS
B
T
Taper
1.00 × 3.10 mm (0.04 × 0.12 in)
0.40 ~ 0.55 mm (0.0157 ~ 0.0217 in)
0.020 ~ 0.055 mm (0.0008 ~ 0.0022 in)
B
T
2.00 × 2.25 mm (0.08 × 0.09 in)
0.10 ~ 0.40 mm (0.0039 ~ 0.0157 in)
0.040 ~ 0.140 mm (0.0016 ~ 0.0055 in)
C
D
63.95 ~ 64.00 mm (2.518 ~ 2.520 in)
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0.350 ~ 0.850 mm (0.0138 ~ 0.0335 in)
0.010 ~ 0.024 mm (0.0004 ~ 0.0009 in)
0.030 ~ 0.077 mm (0.0012 ~ 0.0030 in)
0 = White 1 = Blue 2 = Black 3 = Brown
4 = Green
Standard
2 - 8
SPEC
Limit
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0.80 mm
(0.0315 in)
0.100 mm
(0.0039 in)
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0.030 mm
(0.0012 in)
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0.09 mm
(0.0035 in)
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