2010 Kawasaki KX250F Owners Manual - Page 135

2010 Kawasaki KX250F Manual

Page 135 highlights

134 TROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE żThis troubleshooting guide is not exhaustive and j NOTE Engine flooded: Fuel level too high Float valve worn or stuck open Wrong starting technique (when the engine is flooded, kick with the throttle fully closed by pulling the hot starter lever in.) does not give every possible cause for each problem listed. It is meant simply as a quick guide to assist you in troubleshooting for some of the more common difficulties. • • • Starting failure or difficulties seized • Valve Valve lifter • Cylinder or seized piston seized • Crankshaft seized • Connecting rod small end seized • Connecting rod big end seized • Camshaft seized • Transmission gear or bearing seized • Kick shaft return spring broken • Kick ratchet gear not engaging • fuel in tank • No Fuel tap turned off • Fuel tank cap air vent obstructed • Fuel tap clogged • Fuel line clogged • Float valve clogged • Fuel does not flow: Engine does not turn over: plug dirty, broken, or gap improperly ad• Spark justed plug cap or high-tension wiring defective • Spark Spark cap not contacting properly • Spark plug plug type incorrect • Crankshaft sensor defective • CDI unit defective • Stick coil defective • Engine stop button wiring defective • Flywheel magneto damaged • Neutral switch defective • Wiring shorted or interrupted • Spark missing or weak: Fuel/air mixture incorrect: Idle adjusting/pilot screw improperly adjusted Pilot jet or air passage clogged Air cleaner element clogged, poorly sealed, or not installed Starter jet clogged

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134
TROUBLESHOOTING GUIDE
j
TROUBLESHOOTING GUIDE
NOTE
ż
This troubleshooting guide is not exhaustive and
does not give every possible cause for each prob-
lem listed. It is meant simply as a quick guide to
assist you in troubleshooting for some of the more
common difficulties.
Starting failure or difficulties -
Engine does not turn over:
Valve seized
Valve lifter seized
Cylinder or piston seized
Crankshaft seized
Connecting rod small end seized
Connecting rod big end seized
Camshaft seized
Transmission gear or bearing seized
Kick shaft return spring broken
Kick ratchet gear not engaging
Fuel does not flow:
No fuel in tank
Fuel tap turned off
Fuel tank cap air vent obstructed
Fuel tap clogged
Fuel line clogged
Float valve clogged
Engine flooded:
Fuel level too high
Float valve worn or stuck open
Wrong starting technique (when the engine is
flooded,
kick with the throttle fully closed by
pulling the hot starter lever in.)
Spark missing or weak:
Spark plug dirty, broken, or gap improperly ad-
justed
Spark plug cap or high-tension wiring defective
Spark plug cap not contacting properly
Spark plug type incorrect
Crankshaft sensor defective
CDI unit defective
Stick coil defective
Engine stop button wiring defective
Flywheel magneto damaged
Neutral switch defective
Wiring shorted or interrupted
Fuel/air mixture incorrect:
Idle adjusting/pilot screw improperly adjusted
Pilot jet or air passage clogged
Air cleaner element clogged, poorly sealed, or not
installed
Starter jet clogged