Cylinder And Piston - PGO G-MAX 50 Service Manual

(6)Cylinder and piston

A.Trouble shooting
B.The Operation notice
C.Data
D.Dismaniling cylinder, piston
E.Installing cylinder, piston
C.Data (150CC)
Part name /description
Bore
Curve
Cylinder
Cylindrility
Roundness
Clearance b/w Piston
and
Piston ring
Clearance of cutting
section
Piston/
Piston ring
Piston outer diameter
Measuring location of piston outer dia.
Clearance b/w piston and cylinder
Piston pin hole inner dia
Piston pin outer diameter
Clearance between piston and piston pin
Connecting rod small end inner dia
Standard value
57.490~57.510
lst ring
nd
2 ring
lst ring
nd
2 ring
side ring
57.470~57.490
Down to 5 mm from the
piston skirt
15.006~15.012
14.990~14.992
15.010~15.028
( mm )
-
-
-
0.03~0.07
0.02~0.06
0.10~0.25
0.10~0.25
0.2~0.7
0.025~0.035
0.020~0.017
Limit of use
( mm )
57.600
0.005
0.005
0.005
0.10
0.10
0.50
0.50
---
57.400
---
0.10
15.030
14.96
0.025
15.060