62Y5A11
9-4
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Does the
engine start?
Wet spark plugs?
Out of specifi-
cation?
Out of specifi-
cation?
Failure in starting operation
Failure in starting operation
Check the fuel system.
Check the condition of the spark
plugs again.
Check the compression pres-
sure of the combustion chamber.
Check the valve
clearance.
Adjust the valve
clearance.
No
No
Yes
Yes
Yes
No
No
Yes
Check the cylinder head, cylin-
der body, and piston assembly.
Power unit
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