Replacement Part List
II.  Low Power - Troubleshooting 
ISSUE 
PROBLEM 
SOLUTION 
Throttle speed increase 
responds slowly, speed 
drops, or engine stalls 
lgnition system 
lncorrect ignition timing 
Readjust ignition advance 
angle 
Fuel Supply 
System 
Air in fuel line or fuel line 
clogged. 
Bleed air from and clean 
the fuel 
line. 
Main jet is not adjusted 
properly. 
Readjust the main jet. 
ln carburetor, needle valve 
or main jet clogged. 
Clean carburetor jets and 
ports. 
Fuel valve is clogged. 
Clean or replace fuel valve. 
Cylinder has carbon 
buildup. 
Clean carbon from the 
cylinder. 
Air Cleaner is dirty or 
clogged. 
Clean filter clement. 
Fuel line is leaking. 
Replace the fuel line. 
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