Service Manual

7
TROUBLESHOOTING
Engine Will Not Produce Spark
Engine Flooded With Fuel
Engine Has Low Compression
Possible Causes Remedies
Spark plu
g
wire disconnected Reconnect spark plu
g
wire
Spark plu
g
fouled or dama
g
ed Replace spark plu
g
Spark plu
g
wire dama
g
ed Replace CD pack
Coil kill wire
g
rounded Locate and eliminate the unwanted
g
round
I
g
nition coil failed Replace CD pack
Flywheel ma
g
nets weak Replace flywheel
Possible Causes Remedies
Overuse of choke position Take throttle off choke
Throttle cable misadjusted Adjust throttle cable, if present
Air cleaner plu
gg
ed Wash and re-oil air cleaner element (DuraForce only)
Fouled spark plu
g
Replace spark plu
g
Carburetor inlet needle stuck open or leakin
g
Clean carburetor, replace failed parts, and pressure test
Carburetor Air Vent Clean Air Vent
Possible Causes Remedies
Worn piston rin
g
s Replace piston rin
g
s or short block
Piston rin
g
(s) stuck in
g
roove Replace piston and rin
g
s
Cylinder worn Remove and replace short block