Yamaha 2007 XP500, Service Manual, Page: 43 / 450

ENGINE SPECIFICATIONS
2-6
Wear limit 66.100 mm (2.6024 in)
Taper limit 0.050 mm (0.0020 in)
Out of round limit 0.050 mm (0.0020 in)
Piston
Piston-to-cylinder clearance 0.020 – 0.045 mm (0.0008 – 0.0018 in)
Limit 0.15 mm (0.0059 in)
Diameter D 65.965 – 65.980 mm (2.5970 – 2.5976 in)
Height H 9.0 mm (0.35 in)
Offset 0.50 mm (0.0197 in)
Offset direction Intake side
Piston pin bore inside diameter 15.002 – 15.013 mm (0.5906 – 0.5911 in)
Limit 15.043 mm (0.5922 in)
Piston pin outside diameter 14.991 – 15.000 mm (0.5902 – 0.5906 in)
Limit 14.971 mm (0.5894 in)
Piston ring
Top ring
Ring type Barrel
Dimensions (B
×
T) 0.80
×
2.45 mm (0.03
×
0.10 in)
End gap (installed) 0.15 – 0.25 mm (0.0059 – 0.0098 in)
Limit 0.50 mm (0.0197 in)
Ring side clearance 0.030 – 0.065 mm (0.0012 – 0.0026 in)
Limit 0.100 mm (0.0039 in)
2nd ring
Ring type Plain
Dimensions (B
×
T) 0.80
×
2.50 mm (0.03
×
0.10 in)
End gap (installed) 0.40
–
0.50 mm (0.0157
–
0.0197 in)
Limit 0.75 mm (0.0295 in)
Ring side clearance 0.020
–
0.055 mm (0.0008
–
0.0022 in)
Limit 0.100 mm (0.0039 in)
Oil ring
Dimensions (B
×
T) 1.50
×
2.00 mm (0.06
×
0.08 in)
H
D
T
B
B
T