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Clutch housing gear worn
Transmission noise:
Bearings worn
Transmission gears worn or chipped Metal chips jammed in gear teeth Engine oil insufficient
Drive line noise:
Drive chain adjusted improperly Drive chain worn
Rear and/or engine sprocket worn Chain lubrication insufficient Rear wheel misaligned
Abnormal Frame Noise: Front fork noise:
Oil insufficient or too thin Spring weak or broken
Rear shock absorber noise:
Shock absorber damaged
Disc brake noise:
Pad installed incorrectly Pad surface glazed Disc warped Caliper trouble
Other noise:
Bracket, nut, bolt, etc. not properly mounted or tightened
Oil Pressure Warning Light Goes On:
Engine oil pump damaged Engine oil screen clogged Engine oil level too low Engine oil viscosity too low Camshaft bearing worn Crankshaft bearings worn Balancer bearings worn Oil pressure switch damaged Wiring faulty Relief valve stuck open O-ring at the oil passage in the crankcase damaged
Exhaust Smokes Excessively: White smoke:
Piston oil ring worn
Cylinder worn
Valve oil seal damaged
Valve guide worn
Cylinder head gasket damaged
Engine oil level too high
Black smoke:
Air cleaner clogged
Main jet too large or fallen off
Starter plunger stuck open
Fuel level in carburetor float bowl too high
Brown smoke:
Main jet too small
Fuel level in carburetor float bowl too low
Air cleaner duct loose
Air cleaner O-ring damaged
Air cleaner poorly sealed or missing
Handling and/or Stability Unsatisfactory: Handlebar hard to turn:
Cable routing incorrect Hose routing incorrect Wiring routing incorrect Steering stem locknut too tight Steering stem bearing damaged Steering stem bearing lubrication inadequate Steering stem bent Tire air pressure too low
Handlebar shakes or excessively vibrates:
Tire worn
Swingarm pivot bearings worn Rim warped, or not balanced Wheel bearing worn Handlebar clamp loose Steering stem head bolt loose
Handlebar pulls to one side:
Frame bent
Wheel misalignment
Swingarm bent or twisted
Steering maladjusted
Front fork bent
Right and left front fork oil level uneven
Shock absorption unsatisfactory:
(Too hard)
Front fork oil excessive
Front fork oil viscosity too high
Rear shock absorber adjustment too hard
Tire air pressure too high
Front fork bent
(Too soft)
Tire air pressure too low
Front fork oil insufficient and/or leaking
Front fork oil viscosity too low
Rear shock absorber adjustment too soft
Front fork, rear shock absorber spring weak
Rear shock absorber oil leaking
Brake Doesn’t Hold: Disc brake:
Air in the brake line Pad or disc worn Brake fluid leakage Disc warped Contaminated pad Brake fluid deteriorated
Дата публикования: 2014-12-25; Прочитано: 232 | Нарушение авторского права страницы | Мы поможем в написании вашей работы!