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1982 Honda CB650 Master-Cylinder Parts

Identify the master cylinder on your 1982 CB650 before choosing reservoir or internal repair parts. The original-style two-screw reservoir has specific service pieces. A replacement aftermarket assembly may use a different lever, bore or rebuild kit despite looking similar.

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Most orders ship same or next business day Fitment guarantee Listed for your exact model and year? We’ll make it right if it doesn’t fit as described. Mechanic-backed support Ask our team for help choosing the right Honda CB part.
Currently viewing Master Cylinder & Rebuild Parts

Honda motorcycle parts

Choose your model and year to see parts listed for your bike.

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Honda CB750 CB550 CB400F front master cylinder assembly 5 8 in.

Honda CB Front Master Cylinder Assembly ~ 5/8 in.

$99.95 USD
08-0253
Drop in a factory-look master cylinder with a performance piston size using this Front Brake Master Cylinder Assembly. Black body with silver lever, custom-manufactured...
Honda CB900 CB750 CB650 CB450 master cylinder reservoir rebuild kit

Honda CB Master Cylinder Reservoir Rebuild Kit

$54.95 USD
29-0051
Rebuild your master cylinder reservoir with this Front Master Cylinder Reservoir Rebuild Kit, 2-screw cover type. Includes plastic reservoir, reservoir cap, diaphragm, O-ring, and...
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Honda CB900 CB750 CB650 front master cylinder assembly

Honda CB900 / CB750 / CB650 Front Master Cylinder Assembly

$109.95 USD
08-0457
Fit a blacked-out front master cylinder to your late-'70s or early-'80s DOHC CB with this Front Brake Master Cylinder Assembly. Usable on any single...
New
Honda CB750 CB550 CB400F front master cylinder assembly 14mm

Honda CB Front Master Cylinder Assembly ~ 14mm

$99.95 USD
08-0269
Restore strong and consistent braking performance with this Front Brake Master Cylinder Assembly, designed as a high-quality replacement for many classic Honda models. This...
Honda CB1100 CB1000 CB900 master cylinder rubber boot 45522-422-000

Honda CB Master Cylinder Rubber Boot ~ Replaces 45522-422-000

$8.95 USD
73-0094
Replace your master cylinder rubber boot with this Master Cylinder Rubber Boot, replacing OEM #45522-422-000.Key Features• Master cylinder rubber boot• Replaces OEM #45522-422-000Fitment /...
Universal Honda-type front master cylinder assembly 13mm

Universal Honda-Type Front Master Cylinder Assembly ~ 13mm

$84.95 USD
08-0262
Upgrade to a universal front master cylinder assembly with this Honda-type unit. Complete with lever, banjo bolt, banjo bolt washers, and brake light switch,...
Honda CB750 CB700SC CB650 master cylinder diaphragm 45520-MA5-671

Honda CB Front Master Cylinder Reservoir Diaphragm ~ Replaces 45520-MA5-671

$11.50 USD
08-0284
Replace the diaphragm on your later DOHC CB's front master cylinder reservoir with this Front Master Cylinder Reservoir Diaphragm, replacing OEM #45520-MA5-671 / #45520-MA5-672...
Honda CB750K CB1000 CB650 front master cylinder kit 45530-MA4-671

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),...
Honda CB650 CB750 CB900 replacement brake lever for master cylinder 08-0457

Replacement Brake Lever for Master Cylinder 08-0457

$9.95 USD
08-0018
Replace the brake lever specifically on the #08-0457 Master Cylinder (sold separately) with this Brake Lever.Important: this lever is ONLY for Master Cylinder #08-0457,...
Honda CB1100 CB900 CB750 chrome master cylinder cover 45513-MA5-671

Honda CB Chrome Master Cylinder Cover ~ Replaces 45513-MA5-671

$22.95 USD
29-0071
Add chrome to your master cylinder with this Chrome Master Cylinder Cover, 2-screw type, replacing OEM #45513-MA5-671 / #45513-413-941.Key Features• Chrome master cylinder cover•...
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Honda CB750 CB650 CB550 replacement brake lever for master cylinder

Honda CB Replacement Brake Lever for Master Cylinder 08-0262

$9.95 USD
08-0430
Replace the brake lever on the #08-0262 Master Cylinder Assembly specifically with this Brake Lever. Designed for this particular master cylinder.Key Features• Replacement brake...
New
Honda CB750 CB650 rear brake light switch 35350-MG7-405

1979-82 Honda CB750 / CB650 Rear Brake Light Switch ~ Replaces 35350-MG7-405

$15.82 USD
27-5523
Restore reliable brake light activation with this Rear Stop Light Switch, designed as a direct replacement for several original Honda rear brake switches. This...
Magura universal front master cylinder assembly 13mm

Magura Universal Front Master Cylinder Assembly ~ 13mm

$259.00 USD
08-0250
Build a custom front brake setup with this Magura Universal Front Brake Master Cylinder. Features a 13mm piston diameter, 12mm stroke, and a threaded...
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1982 Honda CB650 · Master-Cylinder Parts Buying guide

Identify the hydraulic unit before selecting its parts

Reservoir repairs and internal hydraulic repairs need separate parts choices. Identify the unit actually fitted and inspect its components before choosing a package.

Parts to consider

Honda CB Master Cylinder Reservoir Rebuild Kit Two-screw reservoir kitTwo-screw-cover repair package with plastic reservoir, cap, diaphragm, O-ring and screw.View part Honda CB Front Master Cylinder Rebuild Kit ~ Replaces 45530-MA4-671 Master-cylinder rebuild kitInternal rebuild kit replacing reference 45530-MA4-671, listed for the 1981–82 CB650.View part Honda CB Front Master Cylinder Reservoir Diaphragm ~ Replaces 45520-MA5-671 Reservoir diaphragmSeparate replacement diaphragm for the listed reservoir application.View part

Confirm the internal repair-kit inventory

The internal rebuild-kit record identifies reference 45530-MA4-671 but does not itemize the supplied components. Confirm that inventory against the planned repair before adding individual seals or hardware.

Identify a focused diaphragm repair by reference

The description and FAQ both list 45520-MA5-671 and 45520-MA5-672 for the diaphragm. The third reference conflicts: the description says 45520-H5M-630, while the FAQ says 45520-HM5-630. Confirm that disputed reference with the supplier and match the actual reservoir before ordering; the two spellings should not be treated as interchangeable.

Buying questions

Should I order a separate diaphragm with the reservoir kit?

The reservoir kit explicitly includes a diaphragm. Compare that included part with the repair list before adding another diaphragm for the same reservoir.

Does the reservoir package supply both cover screws?

The product is described as a two-screw-cover type, but its contents list says “screw” without a numeric quantity. Confirm the supplied hardware if your repair needs both cover screws.

Will the internal rebuild kit fit a replacement master cylinder?

Compatibility is not established by the motorcycle application. Identify the fitted master cylinder and obtain internal repair parts specified for that actual unit.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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