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1972 Honda CB500K Engine Service and Rebuild Parts

An engine order for your 1972 Honda CB500K can start with a routine filter change or extend to measured cylinder work. Separate those jobs first, then match the sealing parts, piston size and cover details to the engine actually fitted.

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Honda motorcycle parts

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

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Honda CB1100 CB1000 CB900 CB750 CB650 oil filter 15410-426-010

Honda CB Oil Filter ~ Replaces 15410-426-010

$7.95 USD
15-0002
Service your classic Honda with this Stock-Type Oil Filter Element (paper filter), replacing OEM #15410-426-010 / #15410-422-004. Exceptionally broad fitment covering the full SOHC...
Honda CB1100 CB1000 CB900 CB750 oil filter o-rings

Honda CB1100/CB1000/CB900/CB750 Oil Filter O-Rings

$3.50 USD
15-0050
Fit fresh O-rings during an oil filter change with this Oil Filter O-Ring Set. Designed for the factory-type filter housing assembly and pairs with...
New
Honda CB900 CB750 CB700 CB650 drain plug washer

Honda CB900/CB750/CB700/CB650 Drain Plug Washer

$1.75 USD
15-0006
Fit the smaller 12mm drain plug washer with this 12mm x 18mm x 1mm Drain Plug Crush Washer. Broad fitment across the SOHC CB750,...
Honda CB900 CB750 CB700 CB650 CB550 magnetic oil drain plug

Honda CB Magnetic Oil Drain Plug

$12.95 USD
15-0016
Fit a 12mm magnetic drain plug with this Magnetic Oil Drain Plug, 12mm diameter x M1.5, replacing OEM #92800-12000. Broad fitment across the SOHC...
Honda CB1100 CB1000 CB900 CB750 oil filter washer set 15414-300-000

Honda CB Oil Filter Washer Set ~ Replaces 15414-300-000

$7.95 USD
15-0039
Fit oil filter washers with this Oil Filter Washer 5-pack, replacing OEM #15414-300-000. Used with original-type paper oil filter elements. Exceptionally broad fitment across...
Honda CB1100 CB1000 CB900 CB750 CB650 oil filter spring 15415-300-000

Honda CB Oil Filter Spring ~ Replaces 15415-300-000

$2.95 USD
15-0055
Replace the spring inside your oil filter housing with this Oil Filter Spring, replacing OEM #15415-300-000. Matches the fitment of our #15-0002 oil filter...
Honda CB750 CB550 CB500 CB400 CB350 point plate gasket 30372-300-300

Honda CB Point Plate Gasket ~ Replaces 30372-300-300

$7.50 USD
18-7010
Replace your Contact Point Plate Cover Gasket with this Point Plate Gasket, replacing OEM #30372-300-300. Broad fitment across the SOHC CB750, CB500K/CB550 family, and...
New
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Honda CB1100 CB1000 oil filter pack of 3 15410-426-010

Honda CB Oil Filter Pack of 3 (Volume Deal!) ~ Replaces 15410-426-010

$18.95 USD
15-0024
Keep your engine protected with this Pack of 3 Stock Type Oil Filter Elements, designed as direct replacements for the original Honda paper oil...
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Honda CB1100 CB1000 chrome spin on oil filter (cover + oil filter)

Honda CB Chrome Spin On Oil Filter (Cover + Oil Filter)

$32.91 $21.95 USD
You save $10.96
15-1006
Simplify oil service with this Chrome Spin-On Oil Filter, replacing your stock OEM housing, filter bolt, and paper element filter with a modern spin-on...
Honda CB Piston Pin Clips 15mm Pk/2 ~ Replaces 94601-15000

Honda CB Piston Pin Clips 15mm Pk/2 ~ Replaces 94601-15000

$1.95 USD
05-7201
Secure your piston pins with this 2-pack of 15mm Piston Pin Clips, Japanese made to superior quality and replacing OEM Ref. #94601-15000. Exceptionally broad...
Honda CB1100 CB1000 CB900 CB750 oil filter washer each 15414-300-000

Honda CB Oil Filter Washer ~ Each ~ Replaces 15414-300-000

$2.95 USD
15-0042
Oil filter washer designed to replace the original Honda component, matching OEM reference 15414-300-000. Used to create a proper seal at the oil filter...
Honda CB1100 CB1000 CB900 CB750 CB550 oil filter bolt 15420-300-020

Honda CB Oil Filter Bolt ~ Replaces 15420-300-020

$24.95 USD
15-3020
Replace your stock oil filter bolt with this Oil Filter Bolt, replacing OEM #15420-300-020. Broad fitment across the full SOHC/DOHC CB750, CB900/CB1000/CB1100, CB500/CB550, and...
Honda CB750 CB550 CB500 CB350 tach drive oil seal 4.8 x 14.5 x 4 91256-096-651

Honda CB750 / CB550 / CB500 / CB350 Tach Drive Oil Seal ~ 4.8 x 14.5 x 4 ~ Replaces 91256-096-651

$4.95 USD
73-0963
Replace your tach drive oil seal with this Tach Drive Oil Seal, 4.8 x 14.5 x 4, replacing OEM #91256-096-651. High-quality, made in Japan.Key...
Honda CB750 CB650 CB550 front sprocket lock plate set 23811-292-000

Honda CB Front Sprocket Lock Plate Set ~ Replaces 23811-292-000

$5.95 USD
49-0782
Replace your front sprocket lock plate with this Front Sprocket Lock Plate with 2 lock plate bolts. Always good to replace these when installing...
Honda CB750 CB550 CB500 CB400 CB350 chrome points cover 30370-300-020

Honda CB Chrome Points Cover ~ Replaces 30370-300-020

$39.95 USD
13-0000
Refresh your engine's points cover with this Chrome Engine Points Cover, replacing OEM #30370-300-020 / #30370-323-000. Points covers are often dented, rusted, or worn,...
Honda CB750 CB550 CB500 oil pump strainer screen 15150-300-000

Honda CB750 / CB550 / CB500 Oil Pump Strainer Screen ~ Replaces 15150-300-000

$29.95 USD
73-0083
Replace your oil pump strainer screen with this Oil Pump Strainer Screen, replacing OEM #15150-300-000.Key Features• Oil pump strainer screen• Replaces OEM #15150-300-000• Honda...
Honda CB750 CB550 valve tappet cover gasket (set 8) 91302-001-020

Honda CB Valve Tappet Cover O-Ring (Set/8) ~ Replaces 91302-001-020

$15.95 USD
18-7069
Replace your valve tappet cover O-rings with this Valve Tappet Cover O-Ring Set of 8, replacing OEM #91302-001-020. Designed for stock-type valve tappet covers...
Honda CB750 CB550 CB650 cylinder head nut cover 91318-300-013

Honda CB750 / CB550 / CB650 Cylinder Head Nut Cover

$3.74 USD
01-0137
Restore the clean look of your cylinder head with this Rubber Cylinder Head Nut Cover, a replacement for OEM Ref. #91318-300-013. Fits all 1969-78...
New
Honda CB750 CB550 CB500 rear shock swingarm bushing 40548-268-000

Honda CB Rear Shock Swingarm Bushing ~ Replaces 40548-268-000

$6.20 USD
28-6918
Rear shock swingarm bushing designed to replace the original Honda component, matching OEM reference 40548-268-000. Fits between the shock and swingarm to provide proper...
Honda CB750 CB550 CB500 CB350 kickstart oil seal 18 x 29 x 7 91204-286-003

Honda CB750 / CB550 / CB500 / CB350 Kickstart Oil Seal ~ 18 x 29 x 7 ~ Replaces 91204-286-003

$4.95 USD
73-0962
Replace your kickstart oil seal with this Kickstart Oil Seal, 18 x 29 x 7, replacing OEM #91204-286-003. High-quality, made in Japan.Key Features• Kickstart...
New
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Honda CB1100 CB1000 CB900 CB750 oil filter pack of 5 15410-426-010

Honda CB Oil Filter Pack of 5 (Best Deal!) ~ Replaces 15410-426-010

$27.95 USD
15-0025
Keep your engine properly protected with this Pack of 5 Stock Type Oil Filter Elements, designed as direct replacements for the original Honda paper...
Honda CB750 CB650 CB550 tappet adjuster screw and nut set 90012-426-000

Honda CB Tappet Adjuster Screw & Nut Set ~ Replaces 90012-426-000

$4.61 USD
49-0784
Replace your tappet adjuster screws and nuts with this Tappet Adjuster Screw & Nut Set. Each set includes one tappet adjuster screw and one...
Honda CB1100 CB1000 CB900 oil passage cap w o-ring 15331-300-000

Honda CB Oil Passage Cap with O-Ring ~ Replaces 15331-300-000

$29.95 USD
73-0077
Replace an oil passage cap with this Oil Passage Cap with O-Ring, replacing OEM #15331-300-000 (cap) and #94608-40000 (O-ring).Note: sold each, order the quantity...
Honda CB750 CB550 CB500 drive chain adjuster set 95014-19000

Honda CB750 / CB550 / CB500 Drive Chain Adjuster Set

$39.95 USD
73-0000
Replace your chain adjusters with this Complete Drive Chain Adjuster Set. Includes 2 chain adjusters, 2 chain adjusting bolts, and 2 adjuster nuts. Replaces...
Honda CB750 CB650 cam sprocket flange knock bolt set 2 90082-HA0-000

Honda CB Cam Sprocket/ Flange Knock Bolt (Set/2) ~ Replaces 90082-HA0-000

$3.50 USD
29-7019
Replace your cam sprocket flange knock bolts with this Flange Knock Bolt Set of 2. These bolts fasten to the cam sprocket. Replaces OEM...
Honda CB750 CB550 CB500 steel front sprocket 17 tooth x 530 23801-300-010

Honda CB750 / CB550 / CB500 Steel Front Sprocket ~ 17 Tooth X 530 ~ Replaces 23801-300-010

$37.95 USD
23-0410
Replace your classic CB front sprocket with this Steel Front Sprocket, 17 tooth, for 530 chain setup as came stock. Replaces OEM #23801-300-010.Please count...
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Honda CB valve tappet cover rocker cap 12361-300-000

Honda CB Valve Tappet Cover / Rocker Cap ~ Replaces 12361-300-000

$6.95 USD
01-9980
Dress up your Honda's top end with this Valve Tappet Cover (Rocker Cap), an aftermarket finned chrome-plated replacement for OEM #12361-300-000. Fits an exceptionally...
New
Honda CB550 CB500 CB400 CB350 engine primary drive rubber set 8 23114-323-000

Honda CB550 / CB500 / CB400 / CB350 Engine Primary Drive Rubber Set/8 ~ Replaces 23114-323-000

$32.95 USD
28-6922
Restore smooth power transfer inside the engine with this Engine Primary Drive Rubber Set (Set of 8), designed to replace worn or deteriorated original...
Honda CB1100 CB1000 CB900 CB750 oil filter wrench

Honda CB1100/CB1000/CB900/CB750 Oil Filter Wrench

$14.95 USD
35-9022
Remove and install spin-on oil filters with this 3/8" Drive Tripod Oil Filter Wrench. Designed for our aftermarket spin-on cartridge oil filters.Key Features• 3/8"...
Honda CB550 CB500 CB125 CB100 intake valve 14711-107-020

Honda CB550 / CB500 / CB125 / CB100 Intake Valve ~ Replaces 14711-107-020

$17.95 USD
73-0981
Replace your intake valve with this Intake Valve, replacing OEM #14711-107-020. Made in Japan.Key Features• Intake valve• Replaces OEM #14711-107-020• Made in Japan• Honda...
Honda CB550F CB550K CB500K exhaust valve 14721-323-005

1971-78 Honda CB550F / CB550K / CB500K Exhaust Valve ~ Replaces 14721-323-005

$23.95 USD
73-0982
Replace your exhaust valve with this Exhaust Valve, replacing OEM #14721-323-005 / #14721-324-010 / #14721-324-000 / #14721-107-020. Made in Japan.Key Features• Exhaust valve• Replaces...
Honda CB550F CB550K CB500K cam chain 219H x 88 14401-362-003

1971-78 Honda CB550F / CB550K / CB500K Cam Chain ~ 219H x 88 ~ Replaces 14401-362-003

$54.95 USD
52-5011
Replace your CB500K or CB550 cam chain with this 219H x 88 Cam Chain, replacing OEM #14401-362-003 / #14401-323-003. The latest high-strength cam chain...
Honda CB750 CB650 cylinder sleeve o-ring gasket set 91304-286-000

Honda CB Cylinder Sleeve O-Ring Gasket Set ~ Replaces 91304-286-000

$4.50 USD
18-7068
Replace your cylinder sleeve O-rings with this Cylinder Sleeve O-Ring Set of 4, replacing OEM #91304-286-000.Key Features• Cylinder sleeve O-rings, 4 per set• Replaces...
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Honda CB550F CB550K CB500K alternator cover gasket 11691-323-306

1971-78 Honda CB550F / CB550K / CB500K Alternator Cover Gasket ~ Replaces 11691-323-306

$9.86 USD
18-6999
Replace your CB500K or CB550 alternator cover gasket with this Alternator Cover Gasket, replacing OEM #11691-323-306.Key Features• Alternator cover gasket• Replaces OEM #11691-323-306• Honda...
Honda CB750 CB650 CB550 CB500 crank seal 30 x 42 x 8 91201-300-003

Honda CB Crank Seal ~ 30 x 42 x 8 ~ Replaces 91201-300-003

$7.00 USD
73-0960
Replace your crank seal with this Crank Seal, 30 x 42 x 8, replacing OEM #91201-300-003. High-quality, made in Japan.Note: please reference the OEM...
Honda CB550 CB500 CB360 cam chain tensioner slipper 14520-323-000

Honda CB Cam Chain Tensioner Slipper ~ Replaces 14520-323-000

$34.95 USD
07-9968
Replace a worn cam chain tensioner slipper on your CB500, CB550, or CB360T with this Cam Chain Tensioner Slipper, replacing OEM #14520-323-000. Critical for...
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Honda CB750 CB700 performance magnetic oil drain plug joker machine

Honda CB Performance Magnetic Oil Drain Plug ~ Joker Machine

$49.95 USD
73-1074
Catch metal debris from your engine with this Joker Machine Brand Custom Performance Magnetic Oil Drain Plug, 12mm dia x M1.5, OEM #92800-12000.The plug...
Honda CB650 CB550 CB500 CB400 CB350 valve stem seals 12209-333-005

Honda CB Valve Stem Seals ~ Replaces 12209-333-005

$2.95 USD
73-0871
Replace your valve stem seals with this Valve Stem Seal, replacing OEM #12209-333-005.Sold each, order the quantity you require.Key Features• Valve stem seal• Replaces...
New
Honda CB550K CB500K chain cover guard 40510-323-000B

1971-78 Honda CB550K / CB500K Chain Cover Guard ~ Replaces 40510-323-000B

$219.95 USD
73-0001
Restore the original look and protection of your motorcycle’s drive chain with this Chain Cover Guard, designed as a direct replacement for the factory...
New
Honda CB550F CB550K CB500K alternator cover Honda brand 11632-323-003

1971-76 Honda CB550F / CB550K / CB500K Alternator Cover ~ Honda Brand OEM 11632-323-003

$144.95 USD
99-5392
Genuine Honda alternator cover designed as a direct replacement for the original component, matching OEM reference 11632-323-003. Built to factory specifications for proper fit...
Honda CB550F CB550K CB500K Honda cam chain guide 14611-323-000

1971-78 Honda CB550F / CB550K / CB500K Genuine Honda Cam Chain Guide ~ OEM 14611-323-000

$84.95 USD
99-5096
Upgrade or restore your classic Honda motorcycle with this genuine Honda Cam Chain Guide — precision‑engineered and made in Japan. This authentic replacement fits...
Honda CB650 CB550 CB500 cam chain tensioner damper 14501-323-000

Honda CB Genuine Honda Cam Chain Tensioner Damper ~ OEM 14501-323-000

$16.95 USD
99-5288
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Cam Chain Tensioner Damper — precision‑engineered and made in Japan. This authentic OEM...
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1972 Honda CB500K · Engine Buying guide

Build the order around the work being done

The range includes service consumables, standard piston components, sealing sets and engine covers. A carefully defined job helps you choose useful parts without assuming every engine listing belongs in the same rebuild package.

Parts to consider

Honda CB Oil Filter ~ Replaces 15410-426-010 Paper element for the original filter housingThis stock-type paper filter is listed for the CB500K. Housing O-rings, spring and washers are separate items; inspect the fitted assembly before placing the service order.View part 1971-73 Honda CB500K Standard Size (56 mm) Piston Kit ~ Includes Piston, Rings, Pin & Clips Standard 56 mm piston kitOne kit supplies one standard piston with rings, a pin and a pair of clips. The listing specifies four kits for all four cylinders; cylinder measurements determine whether standard size is suitable.View part 1971-73 Honda CB500K Engine Oil Seal Kit Nine-piece engine oil-seal kitThe current description identifies nine oil seals for the CB500K engine. Treat it as an oil-seal selection rather than proof that every gasket or rubber item for a rebuild is included.View part

Related parts: Athena overhaul gasket set · Chrome points cover · Honda cam-chain guide

Choose the scope before the package

Keep routine oil service, top-end work and internal engine work on separate lists. An overhaul gasket set and an oil-seal kit describe different products. Check each opened joint and shaft location rather than using a broad kit name as a complete rebuild checklist.

Use measurements for piston decisions

The standard piston kit is specified as 56 mm, but its CB500K application does not establish the condition or finished size of your cylinders. Have the bores and existing pistons assessed before ordering, especially when the engine has an unknown repair history.

Common questions

How many standard piston kits are needed, and what size should I confirm?

Each kit supplies one standard 56 mm piston, rings, a pin and two clips; four kits replace all four pistons. Confirm the measured cylinder requirements first, since previous machining can change the piston size the engine needs.

Which oil-filter parts should I choose if the original housing is still fitted?

The paper element is the original-housing choice, with replacement O-rings, spring and washer sold separately. The chrome spin-on conversion replaces the housing, its bolt and paper element. Check the fitted system before adding stock-housing parts to the order.

Which sealing packages should I compare for the planned engine work?

The nine-piece kit names oil seals and excludes engine gaskets and O-rings. The Athena overhaul set is a gasket product without an itemized contents list. Compare the actual joints and seal locations before deciding which packages and separate pieces are needed.

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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