Yamaha YX600 (1984-1992) [21/200] Troubleshooting 0 23

Содержание

Troubleshooting Poor handling or stability 46 Handlebar hard to turn 1 Steering stem locknut too tight Chapter b 2 Bearings damaged Roughness can be felt as the bars are turned from side to side Replace bearings and races Chapter 5 3 Races dented or worn Denting results from wear in only one position e g straight ahead from a collision or hitting a pothole or from dropping the machine Replace races and bearings Chapter 5 4 Steering stem lubrication inadequate Causes are grease getting hard from age or being washed out by high pressure car washes Disassemble steering head and repack bearings Chapter 5 5 Steering stem bent Caused by a collision hitting a pothole or by dropping the machine Replace damaged part Don t try to straighten the steering stem Chapter 5 6 Front tire air pressure too low Chapter 1 47 Handlebar shakes or vibrates excessively 1 Tires worn or out of balance Chapter 6 2 Swingarm bearings worn Replace worn bearings by referring to Chapter 6 3 Rim s warped or damaged Inspect wheels for runout Chapter 4 Wheel bearings worn Worn front or rear wheel bearings can cause poor tracking Worn front bearings will cause wobble Chap ter 6 5 Handlebar clamp bolts loose Chapter 5 6 Steering stem or fork clamps loose Tighten them to the specified torque Chapter 5 7 Engine mounting bolts loose Will cause excessive vibration with increased engine rpm Chapter 2 48 Handlebar pulls to one side 1 Frame bent Definitely suspect this if the machine has been dropped May or may not be accompanied by cracking near the bend Replace the frame Chapter 5 2 Wheel out of alignment Caused by improper location of axle spacers or from bent steering stem or frame Chapter 5 3 Swingarm bent or twisted Caused by age metal fatigue or impact damage Replace the arm Chapter 5 4 Steering stem bent Caused by impact damage or by dropping the motorcycle Replace the steering stem Chapter 5 5 Fork leg bent Disassemble the forks and replace the damaged parts Chapter 6 6 Fork oil level uneven Check and add or drain as necessary Chapter 1 49 Poor shock absorbing qualities 1 Too hard al Fork oil level excessive Chapter 5 b Fork oil viscosity too high Use a lighter oil see the Specifications in Chapter 1 c Fork tube bent Causes a harsh sticking feeling Chapter 5 d Shock sha or body bent or damaged Chapter 5 e Fork internal damage Chapter 5 f Shock internal damage g Tire pressure too high Chapters 1 and 6 2 Too soft a Fork or shock oil insufficient and or leaking Chapters 0 23 b Fork oil level too low Chapter 5 c Fork oil viscosity too light Chapter 5 d Fork springs weak or broken Chapter 5 Braking problems 50 Brakes are spongy don t hold 1 Air in brake line Caused by inattention to master cylinder fluid level or by leakage Locate problem and bleed brakes Chapter 6 2 Pad or disc worn Chapters 1 and 6 3 Brake fluid leak See paragraph 1 4 Contaminated pads Caused by contamination with oil grease brake fluid etc Clean or replace pads Clean disc thoroughly with brake cleaner Chaoter 6 5 Brake fluid deteriorated Fluid is old or contaminated Drain system replenish with new fluid and bleed the system Chapter 6 6 Master cylinder internal parts worn or damaged causing fluid to bypass Chapter 6 7 Master cylincer bore scratched by foreign material or broken spring Repair or replace master cylinder Chapter 6 8 Disc warped Replace disc Chapter 6 51 Brake lever or pedal pulsates 1 Disc warped Replace disc Chapter 6 2 Axle bent Replace axle Chapter 5 3 Brake caliper bolts loose Chapter 6 4 Brake caliper shafts damaged or sticking causing caliper to bind Lube the shafts or replace them if they are corroded or bent Chap ter 5 Wheel warped or otherwise damaged Chapter 6 6 Wheel bearings damaged or worn Chapter 6 7 Drum out of round Radian models Refinish or replace drum Chapter 6 52 Brakes drag 1 Master cylinder piston seized Caused by wear or damage to piston or cylinder bore Chapter 6 2 Lever balky or stuck Check pivot and lubricate Chapter 6 3 Brake caliper binds Caused by inadequate lubrication or damage to caliper shafts Chapter 6 4 Brake caliper oiston seized in bore Caused by wear or ingestion of dirt past deteriorated seal Chapter 6 5 Brake pad damaged Pad material separated from backing plate Usually caused by faulty manufacturing process or from contact with chemicals Replace pads Chapter 6 6 Pads or shoes improperly installed Chapter 6 7 Rear brake pedal free play insufficient Chapter 1 8 Rear brake springs weak Chapter 6 Electrical problems 53 Battery dead or weak 1 Battery faulty Caused by sulfated plates which are shorted through sedimentation or low electrolyte level Also broken battery terminal making only occasional contact Chapter 8 2 Battery cables making poor contact Chapter 8

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