4-1
ZHEJIANG KAYO MOTOR CO., LTD.
Spring free length (out spring)
37.000
33.500
Spring free length (inner spring)
35.000
31.500
Connect surface flatness of cylinder head
-
0.050
Torque
●
Cylinder head cap bolt 1.0-1.4 kgf-m
●
Left cylinder head bolt 1.0-1.4 kgf-m
●
Cylinder head nut 1.8-2.2 kgf-m
●
Timing chain tensioner seal bolt 0.8-1.2 kgf-m
●
Timing chain tensioner bolt 1.0-1.4 kgf-m
●
Valve adjust fixed nut 0.7-1.1 kgf-m
●
Spark 1.0-1.4 kgf-m
Specific tools
Gas valve stem reamer 5.0mm gas valve driver 5.0mm compressor
Troubleshooting
Bad idle
: low compressive force
Low compressive force
:
1.
Gas valve
● Wrong valve clearance
● Valve damaged or bent
● Incorrect timing valve
● Valve carbon deposit
● Valve poorly sealed
● Incorrect spark installation
2. Cylinder head