2016 Kawasaki KX250F Owner's Manual (Page 181 of 203)

2016 Kawasaki KX250F Owner's Manual
Posted on 11 Sep, 2015
Model: 2016 Kawasaki KX250F
Pages: 203
File size: 3 MB

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180 TROUBLESHOOTING GUIDE
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TROUBLESHOOTING GUIDE
NOTE
This troubleshooting guide is not exhaustive and
does not give every possible cause for each prob-
lem listed. It is me
ant 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 seiz
ed
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
Improper
installation of vehicle-down sensor
Fuel does not flow:
No fuel in
tank
Fuel tank cap air vent obstructed
Fuel line clogged
Break down of a fuel pump
Break down of a upstream injector and/or down-
stream injector
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
Sparkplugtypeincorrect
Crankshaft se
nsor defective
ECU defective
Ignition coil defective
Engine stop button wiring defective
Flywheel magneto damaged
Wiring shorted or interrupted
Fuel/air mixture incorrect:
Air cleaner element clogged, poorly sealed, or not
installed
Compression low:
Spark plug loose
Cylinder head insufficiently tightened
Cylinder bolt loose
Cylind
er or piston worn
No valve clearance
Crankshaft oil seal leak
Valve spring broken or weak
Valve not seating properly (valve bent, worn, or
carbon accumulation on the seating surface)
Piston ring worn, weak, broken, or sticking
Piston ring side clearance excessive
Cylinder head gasket damaged


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