Chapter IV Disassembly & Repair
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4-1 Fault diagnosis
4-1-1 Difficulty in starting
(Add fuel oil into the fuel tank)
Improper adjustment of carburetor
Fault of engine-oil protective system
Cylinder-head gasket damaged
Loosen fastening bolt of cylinder head
Wear of cylinder/piston/piston ring
Excessive wear of camshaft
(Re-start after stopping for several minutes)
Excess fuel oil flowing into the engine