Chassis - Yamaha YTZ250S 1986 Service Manual

Chassis
Steering head is loose
Possible Cause Remedy
1. Roller is worn.
• Replace
2.
Steering nut is loose
• Retighten
Wheels have excessive run-out
Possible Cause Remedy
1. Bearing is worn.
• Replace
2.
Rim has dent.
• Repair or replace
3.
Spokes are loose (or broken). • Retighten or replace
4.
Axle nut is loose.
• Retighten
Brakes
Trouble Possible Cause Remedy
Faulty 1. Brake pad are worn.
• Replace
2.
Brake is improperly adjusted.
• Adjust
3. Brake pad is greasy.
• Degrease or replace
Not return smoothly 1. Return spring is broken.
• Replace
2.
Brake pedal axle is starved for
grease.
• Grease
3.
Brake fluid leaking
• Replace damaged
parts and bleed air
Frame and Swingarm
Possible Cause
Remedy
1.
Frame is cracked. • Weld, reinforce or replace
2.
. Swingarm is bend.
• Repair or replace
3.
Swingarm is cracked.
• Replace
4.
Bushing is worn.
• Replace
5.
Bushing lacks oil.
• Lubricate
6-5