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1975 Honda CB500T Engine Seals, Gasket, and Washer

A 1975 CB500T engine order splits into separate jobs. Refreshing oil seals is not the same purchase as a head gasket or a rotor washer. A valve, a cam chain, and a wheel adjuster are different jobs again.

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Honda motorcycle parts

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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...
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...
New
Honda CB500 CB450 CL450K1 CL450K2 CL450K3 overhaul gasket set

Honda CB Overhaul Gasket Set

$64.95 USD
18-0098
Rebuild your CB500T or CB450/CL450 engine with this Engine Overhaul Gasket Set.Note: fits 5-speed CB450K models only.Key Features• Engine overhaul gasket set• For 5-speed...
New
Honda CB500 CB450 CL450K0 CL450K2 CL450K3 intake valve 14711-292-000

Honda CB Intake Valve ~ Replaces 14711-292-000

$26.95 USD
28-6920
Restore proper engine performance with this Intake Valve, designed as a direct replacement for the original Honda component. This valve replaces OEM part number...
New
Honda CB450 CL450 CB500T engine oil seal kit with 7 seals 91202-283-013

1968-76 Honda CB450 / CL450 / CB500T Engine Oil Seal Kit

$21.95 USD
01-9926
Refresh critical engine sealing points with this Engine Oil Seal Kit (7 Pieces), designed to replace common oil seals used in the engine assemblies...
New
Honda CB500 CB450 CL450K0 CL450K2 CL450K3 exhaust valve 14721-292-010

Honda CB Exhaust Valve ~ Replaces 14721-292-010

$26.95 USD
28-6919
Restore proper engine performance with this Exhaust Valve, designed as a direct replacement for the original Honda component. This valve replaces OEM part numbers...
New
Honda CB550 CB500 CB450 CL450K0 drive chain adjuster w nut and bolt

Honda CB Drive Chain Adjuster with Nut & Bolt

$24.95 USD
99-4854
Upgrade or restore your classic Honda motorcycle’s drive system with this Drive Chain Adjuster with Nut and Bolt — designed to keep your rear...
Honda CB750 CB550 drive chain adjuster screws black joker machine 90119-283-000

Honda CB Drive Chain Adjuster Screws ~ Black ~ Joker Machine ~ Replaces 90119-283-000

$59.95 USD
73-1059
Refresh your drive chain adjusters with these Joker Machine Brand Black Custom Type Drive Chain Adjuster Screws, set of 2, with gold-cadmium-plated nuts. Replaces...
New
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Honda CB500 CB450 joker machine magnetic oil drain plug 90013-312-000

Honda CB Joker Machine Magnetic Oil Drain Plug ~ Replaces 90013-312-000

$64.95 USD
12-0108
Catch engine debris between oil changes with this Joker Machine Magnetic Oil Drain Plug with O-ring, replacing OEM #90013-312-000. High-quality 6061 billet aluminum body...
New
Honda CB500 CB450 CL450K0 front sprocket 15 tooth 23801-348-690

Honda CB Front Sprocket ~ 15 Tooth ~ Replaces 23801-348-690

$23.95 USD
99-4807
15 tooth front sprocket designed as a direct replacement for the original Honda component, matching OEM reference 23801-348-690. Plays a key role in final...
Honda CB500 CB450 CB400 CB360 CB350 cylinder head gasket 12909-428-003

Honda CB Cylinder Head Gasket ~ Replaces 12909-428-003

$2.95 USD
73-1186
Restore top-end sealing performance with this high-quality Cylinder Head Gasket. Designed to match OEM specifications, this gasket ensures a perfect fit and proper sealing...
Honda CB500 CB450 CB360 special oil filter rotor washer 90481-292-000

Honda CB Special Oil Filter Rotor Washer ~ Replaces 90481-292-000

$9.46 USD
29-7034
Replace your oil filter rotor washer with this Special Angled Oil Filter Rotor Washer (16mm), replacing OEM #90481-292-000.Key Features• Special angled oil filter rotor...
Honda CB500 CB450 CL450 cam chain 219T x 128 14401-283-003

Honda CB500 / CB450 / CL450 Cam Chain ~ 219T x 128 ~ Replaces 14401-283-003

$99.95 USD
52-3034
Replace your CB500T or CB450 cam chain with this Cam Chain 219T x 128, replacing OEM #14401-283-003. D.I.D (Daido) brand. Pitch .3061, peanut side...
Honda CB500 CB450 CL450 cam chain 219FTSS x 128 14401-283-003

Honda CB500 / CB450 / CL450 Cam Chain ~ 219FTSS x 128 ~ Replaces 14401-283-003

$99.95 USD
52-4012
Replace your CB500T or CB450 cam chain with this Cam Chain 219FTSS x 128, replacing OEM #14401-283-003. D.I.D (Daido) brand. Pitch .3061, stepped parallel...
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1975 Honda CB500T · Engine Buying guide

Tell the seal kit, head gasket, and washer apart

One purchase is a multi-seal kit for Honda twins. Another is a single head gasket that also seals some four-cylinder Hondas. The third is the angled washer for the oil-filter rotor.

Parts to consider

1968-76 Honda CB450 / CL450 / CB500T Engine Oil Seal Kit Engine oil seal kitThis kit holds seven oil seals for classic Honda twin engines, covering the CB450, CL450, and CB500T years grouped in its title. The seals correspond to several original Honda numbers, but those numbers are not printed. Use it to replace hardened rubber seals that are leaking or no longer holding oil pressure.View part Honda CB Cylinder Head Gasket ~ Replaces 12909-428-003 Cylinder head gasketOrder this as one head gasket, not three gaskets, even though it replaces 12909-428-003, 12909-283-000, and 12909-333-000. The description says it seals a classic Honda twin or a four-cylinder engine. It is heat-resistant material made to OEM specifications for fit.View part Honda CB Special Oil Filter Rotor Washer ~ Replaces 90481-292-000 Angled rotor washerThis is the special angled oil filter rotor washer, size 16mm, replacing 90481-292-000. It is the washer for that rotor, not a filter cartridge and not a drain plug. The same washer is specified for many 350, 360, and 450 twins, so match the angled shape and the 16mm size to the piece you remove.View part

Related parts: Intake valve · 219FTSS cam chain · Adjuster with nut and bolt

Years printed on the head gasket

Use only the years that are fully printed. CB400F is 1975-77, and CB350F is 1972 and 1974. CB500T is 1975-76 and is marked Twin. CB450K is 1966 and 1968-74. CL450K is 1967 and 1969-74. CB360T is 1975-76. The next model line ends at the word CB360, with no year attached.

Every engine named for the washer

Match the removed washer to a printed engine line, not to the 16mm size alone. The angled washer names CB500T 1975-76, CB450K 1968-74, CL450K 1969-72 and 1974, CB350 1968 and 1971-72, CB350G 1973, CB360G 1974, CB360K 1974, CB360T 1975-76, CL350 1968 and 1970-73, CL360K 1974-75, and SL350K 1970-72.

Parts-counter questions on seals and hardware

Are the seven oil seals identified by Honda numbers?

The kit is seven seals corresponding to several original Honda part numbers. Those numbers are not printed, so do not assign the seals to particular spots. Order it for the 1968-76 CB450, CL450, and CB500T group in the title.

Does one chain adjuster serve both sides of the wheel?

No. One purchase is a single adjuster plus its nut and bolt. It replaces 95014-18000, 40543-390-000, and 40532-283-010. Those numbers identify that hardware, not a pair. If the bike needs two adjusters, order a quantity of two.

Which Honda number is the intake valve?

The intake valve replaces 14711-292-000 only. No stem diameter or length is given, so match the number rather than the look of the valve. Do not confuse it with the exhaust valve, 14721-292-010.

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