Operations Manual
17
22
SYMPTOM POSSIBLE CAUSE SOLUTION
Igni�on coil defec�ve Flush fuel system and replace fuel
Igni�on plug shorts
Replace igni�on wires, clean
igni�on
Fuel is inadequate (water, dust) Flush fuel system and replace fuel
Mixed fuel quality is inadequate Check fuel to oil mixture
Excessive carbon deposi�on in
combus�on chamber
Clean or replace crankcase
Exhaust or muffler clogged with
carbon
Clean or replace muffler
Spark plug heat value incorrect
R
eplace spark plug with correct
type spark plug
Governor adjustment improper Adjust governor to correct lever
Governor spring defec�ve Clean or replace igni�on
Fuel flow restricted
Check en�re fuel system for leaks
or clogs
Air taken in through suc�on line Check suc�on line
Debris in recoil starter track Clean recoil starter assembly
Spiral spring loose Replace spiral spring
Not enough power available
(Co
mpression normal, no misfiring)
Engine overheats
Rota�onal speed fluctuates
Recoil starter malfunc�on