104
FUEL SYSTEM
FUEL SYSTEM TROUBLE CHECK CHART
FUEL SYSTEM TROUBLE CHECK CHART
ENGINE WILL NOT START
STARTS, WILL NOT IDLE
WILL NOT IDLE SLOWLY
SPITS AT IDLE, LEAN
ENGINE RICH AT IDLE
EXCESSIVE OIL USE
STALLS ON ACCELERATION
SURGES AT HIGH SPEED
RUNS RICH AT HIGH SPEED
LOSS OF W.O.T. RPM
CARBURETOR FUEL SPITBACK
IMPROPER STARTING PROCEDURES
CLOGGED FUEL FILTER
POOR QUALITY OR OLD FUEL
FUEL TANK VENT OR HOSE RESTRICTED
RESTRICTED FUEL PICK-UP
RESTRICTED FUEL SUPPLY SYSTEM
FAULTY ANTI-SIPHON VALVE
FUEL SYSTEM AIR LEAK
THROTTLE LINKAGE MISADJUSTED
THROTTLE CAM PICK-UP POINT MISADJUSTED
IDLE SPEED TOO SLOW
THROTTLE ARM STOP SCREW MISADJUSTED
W.O.T. STOP SCREW MISADJUSTED
THROTTLE CABLE MISADJUSTED
FLOAT VALVE STUCK CLOSED
FLOAT VALVE STUCK OPEN
FLOAT SETTING INCORRECT
FLOAT VALVE INSTALLED INCORRECTLY
MANIFOLD GASKET LEAKING
WARPED INTAKE MANIFOLD
CARBURETOR BASE GASKET LEAKING
LEAF PLATE GASKET LEAKING
RESTRICTED IDLE FUEL PASSAGE
PLUGGED HIGH SPEED ORIFICE
PLUGGED HIGH SPEED NOZZLE VENT
INCORRECT ORIFICE SIZE
PLUGGED FLOAT CHAMBER VENT
BENT THROTTLE SHAFT OR VALVE
RESTRICTED/MISROUTED FUEL SUPPLY LINES
LEAF PLATES BENT, CHIPPED, OR BROKEN
LEAF PLATE ASSEMBLY SCREWS LOOSE
FUEL TANK
AND FILTER
LINKAGE
ADJUSTMENT
CARBURETOR
32CFTCENR
INTAKE
MANIFOLD
& LEAF PLATE
ASSEMBLY
USER
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