Backfiring - E-Z-GO RXV GASOLINE Service & Repair Manual

TROUBLESHOOTING
Read all of Section B and this section before attempting any procedure. Pay particular attention to all Notices, Cautions and Warnings.
B
Condition
REPEATED SPARK PLUG
FOULING
CARBURETOR FLOODS ENGINE
EXCESSIVE SMOKING

BACKFIRING

Page S-4
Possible Cause
Wrong spark plug type
Wrong spark plug gap
Faulty magneto
Excessive ring blow by
Poor quality gasoline
Air leak allowing dirt to enter system
Choke sticking closed
Wrong main jet for conditions (high altitude
operations)
Inlet valve/seat dirty
Fuel contamination
Incorrect float level
Clogged air filter element
Wrong oil weight
Dirty oil
Crankcase overfilled with oil
Clogged PCV valve
Piston rings worn or broken
Valves worn
Valve seals or valve guides worn
Accelerator limit switch out of adjustment
Loose muffler or leaking gasket
Carburetor throttle lever motion restricted
Carburetor throttle lever not closing fully
Throttle stop preventing throttle from clos-
ing fully
Incorrect adjustment of accelerator,
governor and carburetor linkages
Carburetor throttle lever shaft bent
Faulty plug wire
Faulty magneto
Repair and Service Manual
Correction
Replace with correct spark plug
Check and adjust if required
Check and replace if required
Check/replace rings
Use correct fuel, check bulk storage tank
for proper storage and handling
Repair
Repair
Replace with correct altitude jet for
conditions
Clean or replace
Clean fuel system/carburetor
Adjust
Clean or replace
Replace with recommended oil
Change
Drain and fill to recommended level
Replace
Replace
Replace
Replace
Adjust
Repair
Repair
Adjust
Adjust
Adjust
Replace or rebuild carburetor
Replace
Replace