Brake Fault; Defective Braking System; Leakage On The Front Fork And Malfunction; Malfunction - Yamaha ttr230 Service Manual

BRAKE FAULT

DEFECTIVE BRAKING SYSTEM

Disc brake
Drum brake

LEAKAGE ON THE FRONT FORK AND MALFUNCTION

OIL LEAKAGE

MALFUNCTION

LEAKAGE ON THE FRONT FORK
8-6
BRAKE FAULT/
POSSIBLE CAUSE
• Worn brake pads
• Worn brake disc
• Air in brake fluid
• Brake fluid leakage
• Defective master cylinder cover
• Defective caliper retainer
• Loose coupling screw
• Damaged brake hose
• Oil or grease on brake disc
• Oil or grease on brake pad
• Improper brake fluid level
• Worn brake shoe
• Worn brake drum
• Broken shoe spring
• Oil or grease on brake shoe
• Oil or grease on brake drum
POSSIBLE CAUSE
• The internal tube is corroded, bent or damaged
• The external tube is damaged or broken
• Damaged retainer lip
• Improperly installed retainer
• High oil level
• Loose stem setscrew
• Damaged spring seat O-ring
• Loose drain bolt
• Damaged drain bolt gasket
POSSIBLE CAUSE
• The internal tube is damaged, deformed
or bent
• The external tube is deformed or bent
• Damaged fork spring
• The guide bushing is damaged or worn
• The damper stem is damaged or bent
• Improper oil viscosity
• Improper oil level
PROB