E
9-3
ENGINE IS HARD TO START OR WILL NOT START
TRBL
SHTG
Is the compression of crankcase normally?
Check the leakage of compression from the
crankcase.
Is there any damage on the cylinder?
IF THE TROUBLE HAS NOT BEEN FOUND,
START THE ABOVE CHECKS ALL OVER AGAIN.
Check the following parts and replace as
necessary:
1) Oil seal
2) Crank case - cracked, distortion,
scratches on mating surfaces.
Replace the crank cylinder assembly.
YES
NO
NO
YES
Is the starter mounting position correct?
Can the flywheel be turned by hand?
Correct it.
Disassemble the recoil starter and
check it. (P.5-27)
YES
YES
NO
NO
Remove the lower unit and can the flywheel be
turned by hand?
Disassemble the power head and check.
Check the lower unit; (P.6-1)
1) Impeller blades are caught;
2) Gear/bearing damaged;
3) Shim adjustment wrong
YES
NO
1
Is the spark-plug installed correctly?
Remove the cylinder-head and check, is the pis-
ton holed?
Install it correctly.
Replace.
YES
NO
NO
YES
Is the head gasket in good condition?
Replace.
YES
NO
2
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