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Pièces pour motos Honda

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Honda CB Master Cylinder Reservoir Diaphragm ~ Replaces 45520-300-000

$10.95 USD
08-0282
Replace a hardened or torn master cylinder diaphragm with this Master Cylinder Reservoir Diaphragm, replacing OEM #45520-300-000. Exceptional range of applications, fits FRONT master...

Honda CB Master Cylinder Reservoir Cap Plastic O-Ring ~ Replaces 45521-MJ6-006

$4.95 USD
29-0062
Replace your master cylinder cap O-ring with this Master Cylinder Reservoir Cap Plastic O-Ring, replacing OEM #45521-MJ6-006.Key Features• Master cylinder reservoir cap O-ring• Plastic•...

Honda CB Front Master Cylinder Rebuild Kit ~ Replaces 45530-MA4-671

$29.95 USD
08-0201
Rebuild your later-model CB's front master cylinder with this Front Master Cylinder Rebuild Kit, replacing OEM #45530-MA4-671. Fits the CB750K (1981-82), CB1000, CB900F (2002-07),...

Magura Universal Front Master Cylinder Assembly ~ 16mm

$259.00 USD
08-0251
Step up to dual-disk compatibility with this Magura Universal Front Brake Master Cylinder, featuring a 16mm piston diameter recommended for dual-disk brake systems. Threaded...

2002 Honda CB900F 919 · Master-Cylinder Parts Buying guide

Match the cylinder position before its service parts

Internal cylinder rebuilding and reservoir-cap repairs need different parts. Match the front kit, rear diaphragm and any cap plate to the actual assembly, particularly after a control conversion.

Separate the reservoir pieces from the rebuild kit

The front kit replaces 45530-MA4-671; its written listing does not itemize every included piece. Rear diaphragm 45520-300-000 and plastic diaphragm plate 45521-MJ6-006 are separate components. The plastic plate is not the rubber diaphragm, so identify the damaged piece before ordering.

Treat a universal master cylinder as a conversion

The original 2002 front master cylinder has a nominal 14 mm bore in Honda’s base service manual. The listed universal Magura has a 16 mm piston, so it is not a same-bore replacement. Confirm the complete conversion before ordering; its switch, banjo bolt and sealing washer are separate, and it has no mirror mount.

Ordering questions

Is the 16 mm Magura a confirmed direct replacement?

No direct-replacement approval is established for this 919. A dual-disc recommendation alone does not confirm hydraulic suitability. Have the exact master cylinder, calipers, hose connections, lever clearance and brake-light switch checked before choosing a conversion.

Does a rebuild kit repair a damaged master-cylinder bore?

The kit listing does not establish that the cylinder is reusable. Have the bore and internal parts inspected under the correct service procedure, and confirm the individual kit contents needed for the repair before ordering.

Can the front rebuild kit also service a Magura cylinder?

Do not assume that. Kit 08-0201 is listed against Honda reference 45530-MA4-671. A fitted Magura needs the service parts for its exact model; a similar bore or motorcycle application is not enough.

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