Honda CB750K3 · Quatre cylindres SOHC

Pièces Honda CB750K 1973

Find 1973 Honda CB750K (K3) parts for carburetor sealing, routine servicing, electrical repairs and braking. Use the repair links to narrow the collection, then compare the listed fitment and dimensions with your motorcycle.

Orange-red 1973 Honda CB750K motorcycle in a studio side view

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1969-78 Honda CB750 Starter Motor ~ Replaces 31200-300-030

$399.95 USD

Replace your SOHC CB750 starter motor with this Rick's Electric Starter Motor, replacing OEM #31200-300-030. Features an upgraded 4-brush permanent magnet design and comes...

Épuisé

1969-77 Honda CB750F / CB750K High Performance Kibblewhite Cylinder Studs

$249.95 USD

Upgrade your SOHC CB750's cylinder studs with this Kibblewhite Black Oxide Cylinder Studs Set of 16. Made in the USA by Kibblewhite. Manufactured from...

Épuisé

Honda CB750 black clutch cover face cover joker machine 11348-392-000

1969-78 Honda CB750 Black Clutch Cover Face Cover ~ Joker Machine ~ Replaces 11348-392-000

$139.95 USD

Add a blacked-out custom face to your clutch cover with this Joker Machine Black Clutch Cover Face Cover. Alloy gold mounting hardware included, replaces...

Épuisé

Honda CB micro custom mph speedometer with black face plate

Micro Custom Speedometer MPH ~ Black Face Plate

$69.95 USD

Keep things minimal with this Micro Custom MPH Speedometer in chrome with a black face plate. A 1.9" compact unit with LED illumination and...

Honda CB deluxe mini custom kph speedometer with black face plate

Deluxe Mini Custom Speedometer KPH ~ Black Face Plate

$99.95 USD

Upgrade your cockpit with this Deluxe Mini Custom KPH Speedometer in chrome with a black face plate. Sized at 2.25", this deluxe-spec unit includes...

Honda CB750 cylinder head gasket 12251-300-050

1969-78 Honda CB750 Cylinder Head Gasket ~ Replaces 12251-300-050

$119.95 USD

Replace your SOHC CB750's cylinder head gasket with this Premium Athena Brand Cylinder Head Gasket, replacing OEM #12251-300-050.Key Features• Premium Athena cylinder head gasket•...

Honda CB750 2ND oversize piston ring set +0.50mm 13031-300-024

1969-76 Honda CB750 Piston Ring Set ~ 2nd Oversize +0.50mm

$27.95 USD

Go with a 0.50mm over-bore refresh using this 2nd Oversize Piston Ring Set (+0.50mm), Japanese made to superior quality and replacing OEM Ref. #13031-300-024....

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Universal Motorcycle Face Mask

$17.50 USD

Keep road debris out of your eyes with this Face Mask with removable goggles. Features air holes in the mouth area and on the...

Nouveau

Honda HRC Logo Trucker Hat

$27.95 USD

Top off your kit with this Honda Logo with HRC Emblem Trucker Hat. High-quality hat with beautifully stitched Honda logo. Snap-on adjustable back.Key Features•...

Nouveau

White Honda Logo Hat

$22.95 USD

Add a White Honda Logo Hat to your gear collection. Velcro adjustable back.Key Features• White Honda Logo Hat• Velcro adjustable backPart Number: 61-1142

Universal Motorcycle Fork Cap Wrench ~ 35mm

$7.00 USD

Fork Cap Wrench ~ 35MM Size for custom or restoration work on classic Honda CB motorcycles. Key Features Aftermarket part Sold as: Each Fitment...

Épuisé

Honda CB750 CB550 CB500 CB450 stock type headlight assembly 33100-341-701

Honda CB750 / CB550 / CB500 / CB450 Stock Type Headlight Assembly ~ Replaces 33100-341-701

$199.95 USD

Restore the classic look of your Honda with this Stock Style Headlight Assembly. Features 7" Halogen Headlight Unit, Headlight Rim & Retainer, Plastic Headlight...

Honda CB750 CB650 CB550 CB500 CB450 gb cafe headlight bracket set 34mm

Honda CB GB Cafe Headlight Bracket Set ~ 34mm

$44.52 USD

Polished aluminum headlight bracket set designed for a clean café-style front end. Built to mount securely to 34mm fork tubes, providing a stable and...

Honda CB750F CB750K horn mounting hardware set 92101-06016-0A

1969-76 Honda CB750F / CB750K Horn Mounting Hardware Set ~ Replaces 92101-06016-0A

$5.80 USD

Restore factory-correct installation for your horn with this high-quality mounting hardware set. Perfect for vintage Honda CB750 restorations, this kit includes the correct bolts...

1972-78 Honda CB750A / CB750F / CB750K Fork Tube Set

$179.95 USD

Replace your fork tubes with this Fork Tube Set of 2, length 605mm (23 13/16") with 35mm OD.Note: this length is 23 13/16", one...

Honda CB750 black finned points cover joker machine 30370-300-020

1969-78 Honda CB750 Black Finned Points Cover ~ Joker Machine ~ Replaces 30370-300-020

$169.95 USD

Dress up your engine with this Joker Machine Brand Custom Black Finned Points Cover with a built-in rubber O-ring and gold-colored mounting hardware. Replaces...

1969-78 Honda CB750 Cam Sprocket ~ Replaces 14321-392-000

$44.95 USD

Replace your cam sprocket with this Cam Sprocket, replacing OEM #14321-392-000 / #14321-300-010.Key Features• Cam sprocket• Replaces OEM #14321-392-000 / #14321-300-010Fitment / Compatibility• Honda...

Honda CB750 kick starter return spring 28261-300-010

1969-78 Honda CB750 Kick Starter Return Spring ~ Replaces 28261-300-010

$9.95 USD

Replace your kick starter return spring with this Kick Starter Return Spring, replacing OEM #28261-300-010.Key Features• Kick starter return spring• Replaces OEM #28261-300-010Fitment /...

Honda CB750K cylinder head gasket 12251-300-050

1969-73 Honda CB750K Cylinder Head Gasket ~ Replaces 12251-300-050

$42.95 USD

Replace your earliest SOHC CB750K cylinder head gasket with this Cylinder Head Gasket, replacing OEM #12251-300-050. Fits the 1969-73 CB750K.Key Features• Cylinder head gasket•...

1969-77 Honda CB750F / CB750K High Performance Kibblewhite Cylinder Stud Nuts Pk/16

$189.95 USD

Upgrade your SOHC CB750's cylinder stud nuts with this Kibblewhite Black Oxide Cylinder Stud Nuts Set of 16. Made in the USA by Kibblewhite,...

1969-78 Honda CB750 SOHC Ultimate High Output Coil

$74.95 USD

Get the hottest, longest-lasting spark with this Ultimate High Output Coil. Designed for aftermarket electronic ignition systems only (not compatible with points). Dual-output coils...

Épuisé

Universal black 290mm eye-to-eye shorty motorcycle shock absorber set

Universal Motorcycle Shorty Shock Absorber Set ~ Black Eye-to-Eye 290mm

$139.95 USD

Go shorter with a different mounting configuration using this Custom Shorty Shock Absorber Set. Black body and shroud with black progressive-wound springs, 290mm (11...

Honda CB deluxe mini custom mph speedometer with black face plate

Deluxe Mini Custom Speedometer MPH ~ Black Face Plate

$99.95 USD

Finish your custom build with this Deluxe Mini Custom MPH Speedometer in chrome with a black face plate. At 2.25", this deluxe-spec unit packs...

Honda CB750 CB550 CB450 CB350 CB360 tail light bracket 84701-341-670

Honda CB Tail Light Bracket ~ Replaces 84701-341-670

$124.95 USD

Restore a proper tail end on your classic Honda with this Chrome Tail Light Bracket, replacing OEM #84701-341-670 / #84701-371-980. Fits a wide range...

Épuisé

Honda CB750 CB650 CB550 tommaselli type headlight bracket set 35mm

Honda CB Tommaselli Type Headlight Bracket Set ~ 35mm

$39.95 USD

Go for a classic European look with these Tommaselli-Type Headlight Brackets, sized for 35mm fork tubes and supplied with rubber mount inserts. A sharp...

Épuisé

Honda CB750 CB650 CB550 replacement brake lever for master cylinder

Honda CB Replacement Brake Lever for Master Cylinder 08-0262

$9.95 USD

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...

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Épuisé

Honda Fox Logo Trucker Hat

$31.95 USD

Top off your kit with this Honda Logo with Fox Emblem Trucker Hat. High-quality hat with beautifully stitched Honda logo. Snap-on adjustable back.Key Features•...

Established 2010 T-Shirt (Large Size)

$26.95 USD

Celebrate the CB750 community in this Established 2010 T-Shirt (Large). A black 100% cotton tee featuring the "Established 2010 VintageCB750 Logo" on the front,...

Honda CB750A CB750F CB750K valve spring retainer 14771-551-020

1969-77 Honda CB750A / CB750F / CB750K Valve Spring Retainer ~ Replaces 14771-551-020

$6.95 USD

Restore the performance and precision of your engine’s valvetrain with this OEM-style Valve Spring Retainer. Manufactured to meet factory specifications, this durable retainer ensures...

1969-78 Honda CB750 Chrome Kick Starter Shaft Cover ~ Joker Machine

$49.95 USD

Clean up your CB750 with this Joker Machine Brand Chrome Kick Starter Shaft Cover. Eliminates the heavy kick starter arm and cleans up the...

Honda CB750 Black Horn with Bracket ~ Joker Machine

$59.95 USD

Add a billet horn with this Joker Machine Brand Small Custom Black Horn with CNC-machined bracket and 2 gold mounting screws. This horn relocates...

Honda CB750 CB700 CB650 CB550 brake rod adjuster knob joker machine

Honda CB Brake Rod Adjuster Knob ~ Joker Machine

$29.95 USD

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...

1969-77 Honda CB750A / CB750F / CB750K High Performance Kibblewhite Intake Valve Guide

$49.95 USD

Upgrade your valve guides with this High-Performance Kibblewhite Intake Valve Guide (standard size). Made in the USA by Kibblewhite, who have been making high-quality...

Honda CB750 CB450 CB400 CB360 CB77 valve guide clip 12211-250-310

Honda CB Valve Guide Clip ~ Replaces 12211-250-310

$1.95 USD

Replace your valve guide clip with this Valve Guide Clip, replacing OEM #12211-250-310.Sold each, order the quantity you require.Key Features• Valve guide clip• Replaces...

1971-78 Honda CB750F / CB750K / CB550K Two Metal Speedo / Tach Gauge Covers With Crimp Rings

$199.95 USD

Recondition your gauges with this Two Metal Speedo / Tach Gauge Covers with Crimp Rings set. Metal gauge covers are often dented, scratched, and...

Honda CB750 CB550 CB500 CB400 CB350 foam round pod air filter

Honda CB Foam Round Pod Air Filter

$16.95 USD

Fit foam-media pods to your SOHC CB with this 39mm Round Foam Pod Air Filter with chrome end caps and rubber mouth. Circular style,...

1969-78 Honda CB750 Black Kick Starter Shaft Cover ~ Joker Machine

$49.95 USD

Eliminate the heavy kick starter arm and clean up the look of the splined shaft with this Joker Machine Black Kick Starter Shaft Cover....

Honda CB all-black deluxe mini custom kph speedometer

Deluxe Mini Custom Speedometer KPH ~ All Black

$119.95 USD

Go full stealth with this All-Black Deluxe Mini Custom KPH Speedometer. At 2.25", this deluxe-spec unit swaps the chrome body for an all-black finish,...

Honda CB750 valve rocker arm a 14431-300-030

1969-78 Honda CB750 Valve Rocker Arm A ~ Replaces 14431-300-030

$74.95 USD

Upgrade or restore your classic Honda motorcycle with this Valve Rocker Arm A — high‑quality replacement engineered and made in Japan. This component replaces...

Honda CB1100 CB1000 CB900 master cylinder reservoir cap 43513-MJ6-006

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

$23.45 USD

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...

Épuisé

1973-74 Honda CB750K Brake Hose/ Master Cylinder Boot

$4.61 USD

Replace the rubber boot at the brake hose / master cylinder junction with this Brake Hose / Master Cylinder Boot. Fits the 1973-74 CB750K,...

Honda CB700 CB750 CB900 CB1000 CB1100 micro custom tachometer with white face plate and 4:1 drive

Micro Custom Tachometer ~ White Face Plate 4:1 Drive

$69.95 USD

Match your micro speedo with this Micro Custom Tachometer, a 1.9" chrome-body mechanical-drive tach with a white face plate. LED illumination, mounting plate included...

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Comparer

Parts and fitment guide for your 1973 CB750K (K3)

A 1973 K3 project can involve anything from a leaking carburetor bowl to a full service. Choose a repair category below, or use the selected parts as a starting point for checking seals, filtration and front brake wear.

Browse by repair

Engine parts — filters, seals and engine components.
Fuel-system parts — carburetors, air filters and fuel delivery.
Electrical parts — ignition, switches and charging parts.
Brake & clutch parts — braking and clutch components.
Suspension & wheels — fork seals, bearings and suspension parts.
Exhaust parts — exhaust components, gaskets and hardware.

Selected parts for the 1973 CB750K

Check each listing for model fitment, dimensions and what is included before ordering.

Float-bowl gasket — listed for 1969–76 CB750K carburetors.
Stock air filter — stock-airbox replacement referenced to 17211-405-000; compare the installed housing.
Front brake pads — early-style Kevlar set with one locating pin and one locating tab; compare the fitted caliper.

Identify your CB750K3 (1973)

Match the motorcycle to its original-market documentation using both identifiers below.

Frame number — record the complete prefix and serial stamped on the frame.
Engine number — record the complete prefix and serial stamped on the engine.

The linked merchant chart is a reference, not a verified complete serial range. Confirm the model series and original market before using a number as a production cutoff.

View the CB750 reference chart

For help locating and comparing identifiers, see our Honda CB model identification guide.

Locate the fuel leak before choosing the seal kit

The linked 20-8035 gasket is for the float-bowl joint. For the connecting fuel tubes, separate kit 48-0791 lists eight tube O-rings plus four bowl-drain seals and includes the 1973 CB750K application. Have the leak located before ordering; a bowl gasket does not replace the seals at the tube connections or drain.

Related CB750K collections

For other model years, browse all Honda CB750K parts.

Need help checking a part? Contact VintageCB750 with your model, frame and engine numbers, and photos of the component you are replacing.

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Pièces Honda CB750K 1973

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Parts and fitment guide for your 1973 CB750K (K3)

Browse by repair

Selected parts for the 1973 CB750K

Identify your CB750K3 (1973)

Locate the fuel leak before choosing the seal kit

Related CB750K collections

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