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1978 Honda CB750A Brake Parts & Controls

Brake repairs on the 1978 Honda CB750A can involve front friction pads, rear shoes, hydraulic components or a front brake lever. Start with the assembly needing attention, then compare the fitted part and each package’s stated contents before combining individual parts with a repair kit.

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Honda motorcycle parts

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

Honda CB750 CB650 deluxe rear friction shoe set 06430-393-405

Honda CB750 / CB650 Deluxe Rear Friction Shoe Set ~ Replaces 06430-393-405

$37.95 USD
29-3605
Upgrade your rear brake performance with this Deluxe Kevlar / Carbon Water-Grooved Rear Brake Shoe Set of 2, replacing OEM #06430-393-405. Broad fitment across...
Honda CB750 CB550 CB500 master cylinder rubber boot 45522-300-010

Honda CB Master Cylinder Rubber Boot ~ Replaces 45522-300-010

$9.95 USD
33-0003
Replace your master cylinder rubber boot with this Master Cylinder Rubber Boot, which attaches where the brake hose joins the master cylinder. Replaces OEM...
Honda CB750 CB700 CB650 rear friction shoe spring set 2 43151-346-000

Honda CB Rear Friction Shoe Spring Set/2 ~ Replaces 43151-346-000

$7.95 USD
73-0895
Replace your rear brake shoe springs with this Rear Brake Shoe Spring Set of 2, replacing OEM #43151-346-000.Key Features• Rear brake shoe spring set•...
Honda CB750 CB550 front brake caliper bleed screw rubber cap 45110-300-003

Honda CB Front Brake Caliper Bleed Screw Rubber Cap (Stock Type) ~ Replaces 45110-300-003

$3.95 USD
29-7018
Replace your front caliper bleed screw rubber cap with this Stock Type Front Brake Caliper Bleed Screw Rubber Cap, the same design as the...
New
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 CB750 CB550 CB400F clutch cable adjuster 8 x 23mm

Honda CB Clutch Cable Adjuster ~ 8 x 23mm

$3.58 USD
08-0067
Dial in your clutch cable with this Gold-Anodized Cable Adjuster, 8 x 23mm, for the clutch cable at the lever. Fits an exceptionally broad...
Honda CB900 CB750 CB650 front caliper piston sealing ring 45215-533-004

Honda CB900 / CB750 / CB650 Front Caliper Piston Sealing Ring ~ Replaces 45215-533-004

$5.80 USD
29-0529
Replace your front caliper piston sealing ring with this Front Brake Caliper Piston Sealing Ring, replacing OEM #45215-533-004.Key Features• Front brake caliper piston sealing...
Honda CB750 CB550 CB500 CB450 front friction pad set 45105-323-023

Honda CB Front Friction Pad Set ~ Replaces 45105-323-023

$32.95 USD
29-3501
Replace your front brake pads with this Brake Pad Set of 2 in Kevlar, 52 x 20mm + 52 x 12.8mm. Replaces OEM #45105-323-023...
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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...
Honda CB750 CB550 CB500 CB450 front caliper adjuster set 45117-341-700

Honda CB750 / CB550 / CB500 / CB450 Front Caliper Adjuster Set ~ Replaces 45117-341-700

$13.95 USD
29-7016
Restore your front caliper adjuster with this Front Brake Caliper Adjuster Set, including adjusting bolt, spring, washer, and nut. Replaces OEM #45117-341-700 (bolt), #45119-300-020...
Honda CB750 CB550 CB400F master cylinder diaphragm 45520-300-000

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 CB750 CB650 rear friction shoe set 06430-393-405

Honda CB750 / CB650 Rear Friction Shoe Set ~ Replaces 06430-393-405

$42.95 USD
29-3121
Replace your SOHC or DOHC CB750 rear brake shoes with this Brake Shoe Set of 2, replacing OEM #06430-393-405. Broad fitment across the SOHC...
Honda CB750 CB550 CB400 front master cylinder kit 45530-404-315

Honda CB Front Master Cylinder Rebuild Kit ~ Replaces 45530-404-315

$59.95 USD
08-0281
Service your late-'70s CB750K/A, CB550, or CB400 front master cylinder with this Front Brake Master Cylinder Rebuild Kit, replacing OEM #45530-404-315. Made in Japan.Key...
Honda CB750A CB750K front stop hose 45125-393-701

1977-78 Honda CB750A / CB750K Front Stop Hose ~ Replaces 45125-393-701

$54.95 USD
51-7209
Replace your front brake hose with this Front Brake Hose, connecting to the front brake master cylinder. Replaces OEM #45125-393-701 / #45125-393-771. Length 34.5"....
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 CB750 CB650 CB550 CB500 brake rod spring 95014-73100

Honda CB750/CB650/CB550/CB500 Brake Rod Spring

$2.95 USD
29-7006
Replace your brake rod spring with this Brake Rod Spring, replacing OEM #95014-73100. Exceptionally broad fitment across the SOHC and DOHC CB750 lineup, CB650...
Honda CB750 CB700 CB650 CB550 brake rod joint 95015-32001

Honda CB750/CB700/CB650/CB550 Brake Rod Joint

$3.50 USD
73-0843
Replace your brake rod joint with this Brake Rod / Arm Joint, replacing OEM #95015-32001.Key Features• Brake rod / arm joint• Replaces OEM #95015-32001•...
Honda CB750A CB750F CB750K front caliper rebuild kit

1975-78 Honda CB750A / CB750F / CB750K Front Caliper Rebuild Kit

$52.87 USD
14-0506
Rebuild your late-'70s CB750 front caliper with this Front Brake Caliper Rebuild Kit. Includes the brake caliper sealing ring, 2 caliper bolts with washers,...
Honda CB750 CB700 CB650 CB550 brake cam dust seal 43134-300-000

Honda CB750 / CB700 / CB650 / CB550 Brake Cam Dust Seal ~ Replaces 43134-300-000

$3.50 USD
73-0938
Replace your brake cam dust seal with this Brake Cam Dust Seal, replacing OEM #43134-300-000.Key Features• Brake cam dust seal• Replaces OEM #43134-300-000• Honda...
Honda CB1000 CB900 master cylinder reservoir cap plastic o-ring 45521-MJ6-006

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 CB750 CB550 CB500 front brake caliper bleed screw 45224-579-013

Honda CB Front Brake Caliper Bleed Screw ~ Replaces 45224-579-013

$8.95 USD
73-0993
Replace your front caliper bleed screw with this Front Brake Caliper Bleed Screw, replacing OEM #45224-579-013.Key Features• Front brake caliper bleed screw• Replaces OEM...
Honda CB750 CB700 CB650 CB550 CB500 brake rod joint pin w cotter pin

Honda CB Brake Rod Joint Pin with Cotter Pin

$5.95 USD
73-0844
Replace your brake rod joint pin with this Brake Rod Joint Pin with Cotter Pin, replacing OEM #95015-52000 (joint pin) and #94201-16250 (cotter pin).Key...
Honda CB750 CB700 CB650 CB550 CB500 brake rod adjusting nut 95015-42000

Honda CB Brake Rod Adjusting Nut

$4.50 USD
73-0845
Replace your brake rod adjusting nut with this Brake Rod Adjusting Nut, replacing OEM #95015-42000.Key Features• Brake rod adjusting nut• Replaces OEM #95015-42000• Honda...
Honda CB750A CB750F CB750K front brake caliper assembly 45100-392-003

1975-78 Honda CB750A / CB750F / CB750K Front Brake Caliper Assembly ~ Replaces Honda OEM 45100-392-003

$129.95 USD
33-0041
Aftermarket front brake caliper assembly for Honda CB750A, CB750F, and CB750K front disc brake service. This complete assembly replaces Honda OEM #45100-392-003 and is...
Honda CB1100 CB1000 caliper bleed cap (pk 10) 45108-425-003

Honda CB Caliper Bleed Screw Rubber Cap (Pk/10) ~ Replaces 45108-425-003

$11.95 USD
29-0500
Stock up on caliper bleed screw rubber caps with this Brake Caliper Bleed Screw Rubber Cap 10-pack. Universal type for series 1, 3, 4,...
Honda CB750 CB550 CB500 CB450 brake hose rubber grommet 45146-300-000

Honda CB Brake Hose Rubber Grommet ~ Replaces 45146-300-000

$4.61 USD
73-0091
Replace your brake hose grommet with this Brake Hose Rubber Grommet, the rubber grommet that attaches to the brake hose, replacing OEM #45146-300-000.Key Features•...
Honda CB750 CB400 hand lever 53175-431-670

Honda CB Hand Lever ~ Replaces 53175-431-670

$9.95 USD
08-0082
Replace a worn silver brake lever with this Brake Lever, a direct replacement for OEM #53175-431-670. Fits the late-'70s CB750K/F/A range plus the CB400A...
Honda CB1100 CB1000 CB900 master cylinder reservoir cap 45513-341-771

Honda CB Master Cylinder Reservoir Cap ~ Replaces 45513-341-771

$39.95 USD
29-0054
Restore your master cylinder cap with this Master Cylinder Cap with Plastic O-Ring, replacing OEM #45513-341-771. This original style was discontinued long ago by...
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 CB750A CB750K rear brake light switch spring 35357-393-000

1976-78 Honda CB750A / CB750K Rear Brake Light Switch Spring ~ Replaces 35357-393-000

$5.80 USD
73-1006
Replace your rear brake stop switch spring with this Rear Brake Light Stop Switch Spring. This is the spring that attaches to the rear...
Honda CB750A CB750F CB750K front caliper piston 45107-392-003

1975-78 Honda CB750A / CB750F / CB750K Front Caliper Piston ~ Replaces 45107-392-003

$69.95 USD
29-0531
Replace your late SOHC CB750 front caliper piston with this Front Brake Caliper Piston, 42.8mm diameter x 34mm length, replacing OEM #45107-392-003.Key Features• Front...
Honda CB750 CB550 front brake caliper bolt and washer set 90165-323-000

Honda CB Front Brake Caliper Bolt & Washer Set ~ Replaces 90165-323-000

$12.50 USD
73-1027
Replace your front caliper bolts and washers with this Front Brake Caliper Bolt & Washer Set. Includes 2 bolts and 2 washers. Replaces OEM...
Sold out
Honda CB750 CB700 CB650 CB550 brake rod adjuster knob joker machine

Honda CB Brake Rod Adjuster Knob ~ Joker Machine

$29.95 USD
73-1072
Upgrade your brake rod adjuster knob with this Joker Machine Brand Custom Brake Rod Adjuster Knob, replacing OEM #95015-42000.Gives your bike a great custom...
Honda CB900 CB750 CB650 brake disc retaining nut pk 10 90309-357-000

Honda CB Brake Disc Retaining Nut Pk/10 ~ Replaces 90309-357-000

$6.50 USD
73-0937
Replace your brake disc retaining nuts with this Brake Disc Retaining Nut Pk/10, replacing OEM #90309-357-000.Key Features• Brake disc retaining nuts• Pack of 10•...
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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...
Honda CB1100 CB1000 CB900 master cylinder reservoir cap 43513-MJ6-006

Honda CB Master Cylinder Reservoir Cap ~ Replaces 43513-MJ6-006

$23.45 USD
29-0080
Replace your master cylinder reservoir cap with this Master Cylinder Reservoir Cap with Diaphragm, round OEM thread-on type. Cap replaces OEM #43513-MJ6-006, diaphragm replaces...
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Honda CB750 replacement brake lever for master cylinder 08-0253

Replacement Brake Lever for Master Cylinder 08-0253

$9.95 USD
08-0029
Replace the brake lever on the #08-0253 Master Cylinder Assembly specifically with this Brake Lever. Designed for this particular master cylinder, not stock brake...
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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1978 Honda CB750A · Brake Parts Buying guide

Choose the brake assembly and repair scope first

Identify the assembly needing repair and the components already fitted. Use the inspection findings to choose friction parts, a targeted hydraulic repair or a replacement assembly before combining packages.

Parts to consider

Honda CB Front Friction Pad Set ~ Replaces 45105-323-023 Front Kevlar brake pad pairThe front pad listing supplies two Kevlar pads and states their dimensions separately. Compare both removed pads with the listed shapes and sizes.View part Honda CB750 / CB650 Rear Friction Shoe Set ~ Replaces 06430-393-405 Rear drum shoe pairTwo rear shoes are listed for the Hondamatic rear drum application. Rear shoe springs are a separate product to inspect when preparing the repair list.View part Honda CB Front Master Cylinder Rebuild Kit ~ Replaces 45530-404-315 Front master cylinder rebuild kitThe description specifically lists 1977–78 CB750A fitment and reference 45530-404-315. Confirm the installed master cylinder and required kit contents.View part

Related parts: Caliper sealing and hardware kit · 34.5-inch front master-cylinder hose · Silver front brake lever

Build the order around the inspected components

Record the front and rear repairs separately. Compare each repair list with the relevant package inventory before adding loose hardware, and keep the existing components available for the final application check.

Check the controls when changing a hydraulic assembly

A replacement master cylinder needs its piston specification, lever arrangement and brake-light switch provision checked together. Identify any previous control changes before choosing an assembly for the 1978 Hondamatic.

Common questions

Does the caliper repair kit include a piston?

The kit itemizes a sealing ring, caliper bolts with washers, bleed screw and cap, and an adjuster set. It does not list a piston among those contents. Compare the inspected piston with the separate piston or replacement assembly listing.

Are rear shoe springs included with the shoe pair?

The shoe description specifies two shoes. The springs have their own two-piece listing. Check both descriptions and the condition of the installed components before adding them, rather than treating the shoe pair as a complete rear brake hardware package.

Does the original master-cylinder switch transfer to either replacement assembly?

Both the 14mm and 5/8-inch assembly listings require a separate hydraulic brake-light switch, part 29-7002, for the 1977–78 CB750A. They do not supply the original-style switch for this application. Account for that requirement when planning an assembly change.

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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