Spec; Specifications - Yamaha 2008 YW50X Service Manual

Cylinder
Bore
Maximum taper
Maximum out-of-round
Piston
Piston-to-cylinder clearance
Diameter D
Height H
Piston pin bore (in the piston)
Diameter
Piston pin
Outside diameter
Piston rings
Section sketch (B × T)/type
Top ring
2nd ring
End gap (installed)
Top ring
2nd ring
Side clearance (installed)
Top ring
2nd ring
Connecting rod
Connecting rod length
Small end inside diameter
ENGINE SPECIFICATIONS
Item
D
Standard
40.000 ~ 40.014mm
(1.5748 ~ 1.5754in)
...
...
0.035 ~ 0.040mm
(0.0014 ~ 0.0016in)
39.960 ~ 39.979mm
(1.5732 ~ 1.5739in)
H
5.0mm (0.1969in)
10.004 ~ 10.015mm
(0.3939 ~ 0.3943in)
9.996 ~ 10.000mm
(0.3935 ~ 0.3937in)
1.2 × 1.6mm/keystone
(0.0472 × 0.0630in)
1.2 × 1.6mm/keystone
(0.0472 × 0.0630in)
0.15 ~ 0.35mm
(0.0059 ~ 0.0138in)
0.15 ~ 0.35mm
(0.0059 ~ 0.0138in)
0.03 ~ 0.05mm
(0.0012 ~ 0.0020in)
0.03 ~ 0.05mm
(0.0012 ~ 0.0020in)
79.9~80.1mm
(3.1457~3.1535in)
13.996~14.007mm
(0.5510~0.5515in)
2-3

SPEC

Limit
...
0.05mm
(0.0020in)
0.05mm
(0.0020in)
0.10mm
(0.0039in)
...
...
10.045mm
(0.3955in)
9.976mm
(0.3928in)
...
...
0.6mm
(0.0236in)
0.7mm
(0.0276in)
0.1mm
(0.0039in)
0.11mm
(0.0043in)
...
...