ZHEJIANG KAYO MOTOR CO., LTD.
3. After staggering the openings between the piston rings by 120°, gently assemble the cylinder block in place.
4. Assemble the chain guide roller pin and the aluminum washer in place. Then install the chain guide roller into
the cylinder block, the guide roller pin passes through the cylinder block and the chain guide roller, tighten the
guide wheel pin pin shaft. Tightening torque
:
10-14N·m
;
5. Tighten the bolts connecting the cylinder block and the crankcase.
Note:
1. When installing the cylinder block, avoid damaging the piston ring.
2. The chain guide roller should be located in the middle of the chain after it is installed in the cylinder block.
CLUTCH
、
DRIVING GEAR
、
DRIVEN GEAR
、
SHIFT MECHANISMNOTICES
◆
After the right cover is removed, the clutch, oil pump and gear shift mechanism can be removed, installed and
repaired without removing the engine.
◆
If the operation of the clutch fails, it can usually be better corrected by adjusting the free stroke of the clutch
handle.
Main parameters and maintenance standards
NO
ITEM
STANDARD
(
mm
)
REPAIR LIMIT VALUE
(
mm
)
REMARKS
1
CLUTCH
Free length of spring
20.5
/
Free length of damping spring
21
/
Active film free thickness
2.85
~
2.95
2.5
Clearance between outer cover and friction plate
0.1
~
0.3
0.5
2
Oil pump
Radial clearance of inner and outer rotor
≤0.15
/
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