ZHEJIANG KAYO MOTOR CO., LTD.
www.kayomoto.com
51
1
Low or unstable pressure in cylinder
Abnormal wear of cylinder block or piston ring
2
Black smoke emission
Abnormal wear of cylinder block, piston or piston ring
Incorrectly installed piston ring
Scratches or scrapes on piston or cylinder walls
3
Engine overheats
Too much carbon deposit in piston
4
Knocking or abnormal noise
Piston or cylinder block is worn
Too much carbon deposit
Dismounting the cylinder block, piston and piston ring
1.
Remove cylinder head and sealing gaskets.
2.
Remove fixing screws of cylinder block, then take
the cylinder block out.
3.
Remove sealing gaskets and locating pin.
4.
Remove piston ping collar, then piston pin and
piston.
Note: do not let the piston ring drop into crankcase.
To avoid this happen, use a cloth cover the crankshaft
connecting hole before removing.
1.
Remove three piston rings in order.
Note:
1.
To avoid engine leakage after assembly, when
replace new gaskets for cylinder block, clean the
cylinder and crankcase surface up first.
2.
If the gasket is immersed in gasoline, it can be
easily removed. Do not damage the contact surface of
cylinder.