2011 Kawasaki KX250F Owners Manual - Page 168

166 TROUBLESHOOTING GUIDE Disc brake noise: Pad installed incorrectly Pad surface glazed Brake disc warped Brake caliper defective Brake cylinder damaged Other noise: bolt, etc. improperly mounted or • Tire air pressure too low worn • Tire sleeve or needle bearing damaged • Swingarm Rim warped out of balance • Front and/or or rear axle runout excessive • Wheel bearing worn • Handlebar clamp loose • Steering stem head nut loose • Spoke loose • Handlebar shakes or vibrates excessively: nut, • Bracket, tightened Exhaust smoke - Excessively white: Piston oil ring worn Cylinder worn Valve oil seal damaged Valve guide worn Engine oil level too high • Air cleaner element clogged • • Brownish: Air cleaner duct loose Air cleaner poorly sealed or missing Poor handling and/or stability hose, wiring incorrectly routed • Cable, Steering nut too tight • Steering stem stem damaged • Steering stem bearing bearing • Steering stem bent inadequately lubricated • Handlebar hard to turn: Black smoke: Handlebar pulls to one side: Frame bent Rear wheel misaligned Swingarm bent or twisted Swingarm pivot shaft runout excessive Steering maladjusted Steering stem bent Front fork bent Shock absorption unsatisfactory (suspension too hard): Front fork oil excessive Front fork oil viscosity too high Front fork bent Front fork air pressure too high Tire air pressure too high Rear shock absorber improperly adjusted