Does the
engine start?
Yes
Check the condition of the spark
plugs again.
Wet spark plugs?
Yes
Check the fuel system.
6D81G11
No
Check the compression pres-
sure of the combustion chamber.
Within
specification?
Yes
Failure in starting operation
No
Failure in starting operation
Adjust the valve
clearance.
Power unit
No
Check the valve
clearance.
No
Within
specification?
Yes
Check the cylinder head, cylin-
der block, and piston assembly.
1
2
3
4
5
6
7
8
9
9-8