Trousses de réfection, pistons et vis de purge d’étrier
1980 Honda CB900C — Trousses de réfection, pistons et vis de purge d’étrier
Match the caliper position before ordering repair parts for your 1980 CB900C Custom. The front dual rebuild kit covers two calipers, but front and rear pistons have different dimensions. Mounting bolt packs also need their own quantity check.
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Replace your front caliper piston sealing ring with this Front Brake Caliper Piston Sealing Ring, replacing OEM #45108-300-003. Also fits the rear brake caliper...
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Rebuild both your front calipers with this Front Caliper Dual Rebuild Kit (repairs two front calipers).Key Features• Front caliper dual rebuild kit• Repairs two...
1977 Honda CB750F Motorcycle Parts1978 Honda CB750F Motorcycle Parts1979 Honda CB750F Motorcycle Parts1980 Honda CB750F Motorcycle Parts1980 Honda CB900C Motorcycle PartsHonda CB Brake & Clutch PartsHonda CB Brake Caliper Rebuild Kits & PistonsHonda CB750 DOHC Parts (1979–1982)Honda CB750 Motorcycle Parts by Model & YearHonda CB750 SOHC Parts (1969–1978)Honda CB750F Motorcycle Parts (1975–1982)Honda CB900 Motorcycle Parts by Model & YearHonda CB900C Custom Motorcycle Parts (1980–1982)Series 4: CB900-1100 (80-83)
Replace your CB750F Supersport or CB900C caliper piston with this Brake Caliper Piston, 38.12mm diameter x 35.15mm length, replacing OEM #45107-410-006.Key Features• Brake caliper...
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Rebuild your CB900C Custom rear caliper with this Rear Brake Caliper Rebuild Kit. OEM quality, made in Japan.Key Features• Rear brake caliper rebuild kit•...
1980 Honda CB900C Motorcycle PartsHonda CB Brake & Clutch PartsHonda CB Brake Caliper Rebuild Kits & PistonsHonda CB900 Motorcycle Parts by Model & YearHonda CB900C Custom Motorcycle Parts (1980–1982)New ItemsSeries 4: CB900-1100 (80-83)
Upgrade or restore your classic Honda motorcycle front brake assembly with this Front Brake Caliper Bolt Set — a quality replacement designed to secure...
1980 Honda CB900C Custom · Caliper Repair Parts Buying guide
Inspect the caliper before choosing seals or pistons
Match the 1980 Custom caliper by year and brake position, then inspect its piston surfaces, seal grooves and sliding hardware. A seal kit cannot restore badly damaged metal parts.
The 1980 front piston is 38.12 × 35.15 mm; the rear piston is 42.8 × 41 mm. The front kit serves two front calipers, while the rear kit is separate.
Rebuild the cause of sticking or leakage
Inspect the whole caliper rather than replacing seals blindly. Damaged pistons, corroded grooves and sticking sliding parts need attention. Confirm the kit contents and separately source any required pistons or hardware; do not assume a seal kit includes them.
Practical questions
Can fresh seals make a pitted piston serviceable?
No. A damaged working surface can damage the new seal or continue leaking. Inspect and measure the piston and caliper against the correct service information before deciding what can be reused.
Why does the brake still drag after pad replacement?
Sticking pistons or other hydraulic restrictions may remain. Check caliper movement and lever or pedal return, and diagnose the hydraulic system before replacing more friction material.
What should be checked before riding after a caliper rebuild?
Bleed the opened circuit, check for leaks and establish a firm lever or pedal. Confirm the brake applies and releases correctly. If it remains soft, leaks or binds, keep the motorcycle out of service until the fault is resolved.
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