Service manual

7
Engine inspection
•Pulse air
system
•Keep the air-in
path clean.
•Keep the
vacuumpipe
well connected
to intake
manifold,
•Never jam the
vacuum pipe.
Part name /description
Standard
( mm )
Lim it
( mm )
Cylinde rhead
flatness
Cylinder
Bore 57.490~57.510 57.600
Curve
- 0.05
Cylindrility
- 0.05
Roundness
- 0.05
Piston/
Piston ring
Clearanceb/w Piston and
Piston ring
lst r ing
0.10
2
nd
rin g
0.10
Cle ar ance of cutting
sect ion
lst r ing
0.50
2 nd ring
0.50
---
Piston outerdiameter
57.475~57.490 57.400
Measuring location of pistonouter dia . 5mm from the lower endof skirt
Clear anceb/w piston and cylinder
0.025~0.035 0.10
Piston pin hole innerdia
15.006~15.012 15.030
Pistonpin hole inner diameter
14.990~14.992 12.96
Pistonpin outer diameter 0.020~0.017 0.025
Cleara nce between piston and piston pin
15.010~15.028 15.060
Connecting rodsmall endinner dia
Cylinder & piston inspection data: