13.2 Fault Diagnosis 
Low compression pressure               White smoke from exhaust pipe 
Worn, burnt or broken piston        Worn or damaged piston ring 
Work or damaged cylinder and piston       Worn or damaged cylinder and piston 
Broken washer, air leakage on crankcase     
Higher compression pressure       Noisy piston 
Too much carbon deposited in the combustion chamber      Damaged cylinder, piston and piston ring 
       Worn piston pin hole and piston pin 
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. 
 
 
 
 
 
Cylinder block 
Mounting bolt 
Location pin 
Washer