2012 Kawasaki KX250F Owners Manual - Page 167
2012 Kawasaki KX250F Manual
Page 167 highlights
TROUBLESHOOTING GUIDE 165 head warped • Cylinder Cylinder gasket • Decompression damaged trouble • Poor low-speed performance Spark weak: Spark plug dirty, broken, or gap improperly adjusted Spark plug cap or high-tension wiring defective Spark plug cap shorted or not contacting properly Spark plug type incorrect Crankshaft sensor defective ECU defective Ignition coil defective Flywheel magneto defective Wiring connector not in good contact Fuel/air mixture incorrect: Air cleaner element clogged, poorly sealed, or not installed Fuel tank cap air vent obstructed Throttle body assy holder loose Air cleaner duct loose Fuel pump defective Compression low: Spark plug loose Cylinder head insufficiently tightened Cylinder bolt loose Cylinder or piston worn No valve clearance Valve spring broken or weak not seating properly (valve bent, worn, or • Valve carbon accumulation on the seating surface) ring worn, weak, broken, or sticking • Piston ring side clearance excessive • Piston head gasket damaged • Cylinder Cylinder head warped • Cylinder gasket • Decompression damaged trouble • defective • ECU dragging • Brake Clutch • Engineslipping overheating • Engine oil level too high • Engine oil viscosity • Drive chain trouble too high • Poor or no high-speed performance Firing incorrect: Spark plug dirty, broken, or gap improperly adjusted Spark plug cap or high-tension wiring defective Spark plug cap shorted or not contacting properly Spark plug type incorrect ECU defective Ignition coil defective Crankshaft sensor defective Flywheel magneto defective Wiring connector not in good contact Other: j