Yamaha YZF-R125 Service Manual page 29

YamahaR125.COM
Height H
D
Offset
Offset direction
Piston pin bore inside diameter
Limit
Piston pin outside diameter
Limit
Piston-pin-to-piston-pin-bore clearance
Limit
Piston ring
Top ring
Ring type
Dimensions (B × T)
End gap (installed)
Limit
Ring side clearance
Limit
2nd ring
Ring type
Dimensions (B × T)
T
End gap (installed)
Limit
Ring side clearance
Limit
Oil ring
Dimensions (B × T)
T
End gap (installed)
Ring side clearance
Crankshaft
Width A
H
B
T
B
B
ENGINE SPECIFICATIONS
5.0 mm (0.20 in)
0.50 mm (0.0197 in)
Intake side
14.002–14.013 mm (0.5513–0.5517 in)
14.043 mm (0.5529 in)
13.995–14.000 mm (0.5510–0.5512 in)
13.975 mm (0.5502 in)
0.002–0.018 mm (0.0001–0.0007 in)
0.068 mm (0.0027 in)
Barrel
0.80 × 1.90 mm (0.03 × 0.07 in)
0.10–0.25 mm (0.0039–0.0098 in)
0.50 mm (0.0197 in)
0.030–0.065 mm (0.0012–0.0026 in)
0.100 mm (0.0039 in)
Taper
0.80 × 2.10 mm (0.03 × 0.08 in)
0.10–0.25 mm (0.0039–0.0098 in)
0.60 mm (0.0236 in)
0.020–0.055 mm (0.0008–0.0022 in)
0.100 mm (0.0039 in)
1.50 × 1.95 mm (0.06 × 0.08 in)
0.20–0.70 mm (0.0079–0.0276 in)
0.040–0.160 mm (0.0016–0.0063 in)
47.95–48.00 mm (1.888–1.890 in)
2-6