VENTO MOTORCYCLES
Rev no.01/ page 88of 84
Brake
squeaking.
1. Carbon adhesion on pad surface.
2. Tilted pad.
3. Damaged wheel bearing.
4. Worn pad or disc.
5. Foreign material entered into brake
fluid.
6. Clogged return port of master cylinder.
7. Brake shoe surface glazed.
8. Loose front-wheel axle or rear-wheel
axle nut.
9. Worn shoe.
Repair surface with sandpaper.
Modify pad fitting or replace.
Replace.
Replace.
Replace brake fluid.
Disassemble and clean master cylinder.
Repair surface with sandpaper,
Tighten to specified torque.
Replace.
Excessive
brake lever
stroke.
1. Air entered into hydraulic system.
2. Insufficient brake fluid.
3. Improper quality of brake fluid.
4. Worn brake cam lever.
5. Excessively worn shoes and/or drum.
Bleed air
Replenish fluid to specified level &
bleed air.
Replace with specified fluid.
Replace
Replace
Leakage of
brake fluid.
1. Insufficient tightening of connection
joints.
2. Cracked hose.
3. Worn piston seal.
Tighten to specified torque.
Replace.
Replace piston and/or cup.
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