ENGINE BACKFIRES
POSSIBLE CAUSE SOLUTION
Weak spark from spark plug Inspect, clean and/or replace spark plug
Incorrect spark plug gap or
heat range
Set gap to specs or replace plug
Old or non-recommended fuel Replace with fresh recommended fuel
Incorrectly installed spark plug
wires
Your authorized dealer can assist
Mechanical failure Your authorized dealer can assist
Loose ignition connections Check all connections and tighten
Water present in fuel Replace with fresh recommended fuel
ENGINE RUNS IRREGULARLY, STALLS OR
MISFIRES
POSSIBLE CAUSE SOLUTION
Fouled or defective spark plug Inspect, clean and/or replace spark plug
Worn or defective spark plug
wires
Your authorized dealer can assist
Incorrect spark plug gap or
heat range
Set gap to specs or replace plug
Loose ignition connections Check all connections and tighten
Water present in fuel Replace with new fuel
Low battery voltage Recharge battery to 12.8 VDC
Incorrect fuel Replace with recommended fuel
Clogged air filter Inspect and clean or replace
Clogged intake pre-filter Inspect and clean (with soapy water) or replace
Other mechanical failure Your authorized dealer can assist
142
TROUBLESHOOTING
To Next Page
Loading...
Need help?
General
