Troubleshooting Guide

APPENDIX 17-19

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 добавления: 2014-12-23