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Honda CB750 cast aluminum finned starter motor cover 31280-300-000
Parts fiche reference for SKU 73-1096

1969-78 Honda CB750 Cast Aluminum Finned Starter Motor Cover ~ Replaces 31280-300-000

73-1096
$44.95 USD
In stock Usually ships the same or next business day
Check model fitment View fitment
Questions about this part? Contact us 4.8/5 1,354 store reviews

Dress up your engine with this Cast Aluminum Finned Starter Motor Cover, made in the USA, replacing OEM #31280-300-000.

This is a new cover designed and produced like the ones from the 70's that aren't made anymore. The cover is delivered in as-cast condition; sandblasting, painting, or powder coating will be required if you want a look other than the cast aluminum look. As delivered it is a close match for an original patina engine.

Note: gasket and hardware not included with cover.

Key Features
• Cast aluminum finned starter motor cover
• Made in USA
• As-cast finish (close match to patina engine)
• Replaces OEM #31280-300-000
• Gasket and hardware not included
• Honda part name: Cover, Starter Motor

Fitment / Compatibility
• Honda CB750K (1969‑78)
• CB750F (1975‑78) Supersport
• CB750A (1976‑78) Hondamatic

Part Number: 73-1096

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Check the listed model and year, then read any fitment notes in the description.

Honda motorcycle models and years listed for this part
Make Model Year
Honda CB750K Standard 1969
Honda CB750K 1970
Honda CB750K 1971
Honda CB750K 1972
Honda CB750K 1973
Honda CB750K 1974
Honda CB750K 1975
Honda CB750F Supersport 1975
Honda CB750K 1976
Honda CB750F 1976
Honda CB750A Hondamatic 1976
Honda CB750K 1977
Honda CB750F 1977
Honda CB750A 1977
Honda CB750K 1978
Honda CB750F 1978
Honda CB750A 1978

Free ground shipping over $50

To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.

Estimated ground delivery after your order ships
DestinationDelivery time
USA4–7 business days
Canada2–6 business days

Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.

60-day returns on eligible parts

No restocking fees. Eligible parts must be unused, uninstalled, unaltered and complete. The 60-day window starts when your order is delivered.

Electrical parts are excluded from standard returns. Check return eligibility.

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Other shipping options

Canada Post Economy: Available at checkout for select small items. Allow 1–3 weeks for delivery. No tracking or insurance is included.

Outside the USA & Canada: Delivery times vary by destination and shipping method. Buyers are responsible for applicable duties, taxes and import fees. We cannot mark orders as gifts.

Frequently Asked Questions

What is included with starter-motor cover 31280-300-000?

One USA-made as-cast aluminum finned cover replacing Honda OEM 31280-300-000 is included. The gasket, O-ring and mounting hardware are not included.

Does the as-cast starter cover need finishing before installation?

The cover can be used with its natural cast appearance or sandblasted, painted or powder coated. Deburr and clean it thoroughly so abrasive or finishing residue cannot enter the engine.

What should be checked during starter-cover installation?

Use the correct gasket or seal on flat, clean mating surfaces and compare bolt lengths with the originals. Tighten the fasteners evenly to Honda specifications without forcing a warped cover.

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