Faulty Brake; Front Fork Oil Leakage/Malfunction - Yamaha FZR400 1988-1989 Service Manual

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FRONT FORK OIL LEAKAGE/MALFUNCTION

FAULTY BRAKE

POOR BRAKING EFFECT
FRONT FORK OIL LEAKAGE/MALFUNCTION
OIL LEAKAGE
MALFUNCTION
FAULTY BRAKE/
Worn brake pads
??
Worn disc
??
Air in brake fluid
??
Leaking brake fluid
??
Faulty cylinder kit cup
??
Faulty caliper kit seal
??
Loose union bolt
??
Broken brake hose
??
Oily or greasy disc/brake pads
??
Bent, damaged or rusty inner tube
Damaged or cracked outer tube
Damaged oil seal lip
Improperly installed oil seal
Improper oil level (too much)
Loose hexagon bolt (front fork bottom)
Broken cap bolt O-ring
Loose drain bolt
Damaged drain bolt gasket
Bent, deformed or damaged inner tube
??
Bent or deformed outer tube
??
Damaged fork spring
??
Worn or damaged slide metal
??
Bent or damaged piston
??
9 - 7

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