KINROAD 150 SERVICE MANUAL VERSION 1, DEC., 2005
15
clearance.
CONNECTING ROD END INSPECTION
Put the piston ring and bearing into the connecting rod end; inspect the degree of tightness of the piston pin
in connecting rod end.
Measure the inner diameter of the connecting rod end.
Service limit
15.06 mm
When the abrasion of the bore exceeds the limitation, it should be replaced.
PISTON RING SET
Before setting up, apply oil on every piston ring, and then enlarge piston rings. AT the same time cover
them on the piston and move forwards gradually until piston rings fall into the ring groove.
PISTON RING INSTALLATION
Remove the gasket attached to the crankcase.
Mount piston onto the small end of the connecting rod.
Mounting piston pin and piston pin clip.
First ring
0.09 mm
Second ring
0.09 mm
z
The top of the piston with “IN” mark should be mounted towards the direction of the inlet port
(If the mark is “EX”, it should be mounted towards the direction of the exhaust port.)
z
Apply oil on the piston pin to lubricate it.
z
Cover a piece of cloth on the crankcase port to avoid the piston pin clip from dropping into the
crankcase.
