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TROUBLESHOOTING
Engine Troubleshooting
Problem Probable Cause Solution
Engine turns
but fails to start
Faulty ignition
No fuel to engine
Air in fuel line
Poor engine
compression
-Check for spark; if no spark SEE DEALER.
-Check tank level and fill with correct fuel.
-Ice in fuel line, filter, or pump.
-SEE DEALER for fuel line bleeding.
-SEE DEALER. This indicates a major en-
gine problem that must be repaired before
engine is run.
Engine lacks
power
Fuel filter (loss of
high RPM power)
Incorrect clutching
Fuel pump
-SEE DEALER.
-SEE DEALER.
-There’s no adjustment to change power out-
put. SEE DEALER.
Engine
continually
backfires
Faulty plug(s)
Improperly set TPS
-Change plug(s)
-SEE DEALER.
Engine crank
time has
increased
Poor gasoline or
not enough fuel
getting to engine
-Replace with fresh winter fuel.