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1970 Honda CB750K Engine Parts

Explore service and rebuild parts for your 1970 Honda CB750K engine, including oil filters, gaskets, pistons, valves and timing components. Choose around the actual repair and the engine fitted to the motorcycle, then confirm the contents and application of each listing.

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Honda CB750 oil tube plug 15337-300-010

1969-78 Honda CB750 Oil Tube Plug ~ Replaces 15337-300-010

$10.95 USD
73-1008
Replace your oil tube plug with this Oil Tube Plug, replacing OEM #15337-300-010.Key Features• Oil tube plug• Replaces OEM #15337-300-010Fitment / Compatibility• Honda CB750K...
New
Honda CB750 joker machine oil tank mounting bushing set 3

1969-78 Honda CB750 Joker Machine Oil Tank Mounting Bushing Set/3

$79.95 USD
12-0107
Clean up your exposed stock oil tank with this Joker Machine Oil Tank Mounting Bushing Set of 3. Designed for builds running no oil...
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1970 Honda CB750K · Engine Buying guide

Plan the engine job before choosing a kit

A routine filter change needs a different parts list from a top-end rebuild. Identify the work being done, compare the fitted components and read what each kit actually supplies.

Parts to consider

Honda CB Oil Filter ~ Replaces 15410-426-010 Stock-type paper oil filterReplacement paper element for the original-type assembly; filter housing O-rings, spring and washers are separate.View part 1969-78 Honda CB750 SOHC Overhaul Gasket Set Overhaul engine gasket setListed gasket set includes the late oil pan gasket. Engine oil seals and cylinder head nut covers are excluded.View part 1969-76 Honda CB750F / CB750K Standard Size Piston Kit ~ Includes Piston, Rings & Pin ~ Japanese Made Superior Quality Standard piston kit with ringsOne standard-size piston with rings and pin; piston pin clips are sold separately.View part

Related parts: Late-type oil pan gasket · Early SOHC cam chain guide · Individual valve stem seal

Plan oil service around the dry-sump system

The original CB750 engine uses a separate oil tank and a replaceable filter element. Filter service, oil-hose replacement and internal pump work therefore need different parts lists. If the engine is being opened, identify the covers and assemblies being disturbed before choosing individual gaskets or an overhaul set.

Distinguish valve-stem seals from the other oil seals

The featured overhaul set includes eight valve-stem seals, but excludes engine oil seals and cylinder-head nut covers. A set described as an engine gasket set should not be assumed to replace every seal. Match the remaining seals to the shaft or joint being repaired and check the exact kit contents.

Common questions

Does the overhaul set include valve-stem seals as well as engine oil seals?

It includes eight valve-stem seals. The listing separately excludes engine oil seals and cylinder-head nut covers, so those items need their own checks. Use the actual repair locations to decide what must be added instead of treating all seals as one package.

Which oil pan gasket is listed for the 1970 CB750K?

The late-type oil pan gasket listing covers the 1970–78 CB750K. Compare it with the engine and pan actually fitted, especially if components have been exchanged, rather than borrowing the early 1969 gasket application.

Can I choose a piston kit from the model year alone?

The model application is only one check. Standard and oversize options are listed, and kits have different contents. Have the cylinder and piston requirements measured and confirmed before selecting the size and package for the rebuild.

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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