Yamaha 2009 XP500Y TMAX Service Manual page 33

Winding direction (exhaust)
Valve lifter
Valve lifter outside diameter (intake)
Limit
Valve lifter outside diameter (exhaust)
Limit
Cylinder
Bore
Wear limit
Taper limit
Out of round limit
Piston
Piston-to-cylinder clearance
Limit
Diameter D
Height H
D
Offset
Offset direction
Piston pin bore inside diameter
Limit
Piston pin outside diameter
Limit
Piston-pin-to-piston-pin-bore clearance
Piston ring
Top ring
Ring type
Dimensions (B × T)
T
End gap (installed)
Limit
Ring side clearance
Limit
2nd ring
Ring type
H
B
2-6
ENGINE SPECIFICATIONS
Clockwise
24.476–24.500 mm (0.9636–0.9646 in)
24.451 mm (0.9626 in)
24.476–24.500 mm (0.9636–0.9646 in)
24.451 mm (0.9626 in)
66.000–66.010 mm (2.5984–2.5988 in)
66.100 mm (2.6024 in)
0.050 mm (0.0020 in)
0.050 mm (0.0020 in)
0.020–0.045 mm (0.0008–0.0018 in)
0.15 mm (0.0059 in)
65.965–65.980 mm (2.5970–2.5976 in)
9.0 mm (0.35 in)
0.50 mm (0.0197 in)
Intake side
15.002–15.013 mm (0.5906–0.5911 in)
15.043 mm (0.5922 in)
14.991–15.000 mm (0.5902–0.5906 in)
14.971 mm (0.5894 in)
0.002–0.022 mm (0.0001–0.0009 in)
Barrel
0.80 × 2.45 mm (0.03 × 0.10 in)
0.15–0.25 mm (0.0059–0.0098 in)
0.50 mm (0.0197 in)
0.030–0.065 mm (0.0012–0.0026 in)
0.100 mm (0.0039 in)
Plain