Fault Diagnosis; Cylinder Block - KEEWAY RKV125 Instruction And Maintenance Manual

13.2 Fault Diagnosis

Low compression pressure
Worn, burnt or broken piston
Work or damaged cylinder and piston
Broken washer, air leakage between crankcase and gas
Higher compression pressure
Too much carbon deposited in the combustion chamber

13.3 Cylinder Block

13.3.1 Cylinder Block Removal
Screw off cylinder block mounting bolt.
Remove cylinder block (together with cam follower).
13.3.2 Cylinder Block Inspection
Inspect wear of cylinder inner wall. If it is seriously worn,
replace it.
Remove washer and location pin.
White smoke from exhaust pipe
Worn or damaged piston ring
Worn or damaged cylinder and piston
Noisy piston
Damaged cylinder, piston and piston ring
Worn piston pin hole and piston pin
Cylinder block
Mounting bolt
Location
pin
Washer