Replace your 1979 DOHC CB750 front sprocket with this Steel Front Sprocket, 15 tooth, for 630 chain setup as came stock. Replaces OEM #23801-425-670.
Please count your sprocket teeth and check your chain length before ordering to ensure this is correct for your bike.
Key Features
• Steel front sprocket, 15 tooth
• 630 chain type
• Replaces OEM #23801-425-670
Fitment / Compatibility
• Front sprocket: Honda CB750K (1979)
• CB750F (1979) Supersport
• CB750L (1979) Limited
Part Number: 23-0402
Check the listed model and year, then read any fitment notes in the description.
| Make | Model | Year |
|---|---|---|
| Honda | CB750K Standard | 1979 |
| Honda | CB750F Supersport | 1979 |
| Honda | CB750L Limited | 1979 |
No listed models match your search.
Free ground shipping over $50
To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.
| Destination | Delivery time |
|---|---|
| USA | 4–7 business days |
| Canada | 2–6 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.
Start your return below. Wait for our instructions before mailing a part back.
Start a returnOther 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 chain size and tooth count does 1979 CB750 sprocket 23-0402 use?
It is a 15-tooth steel front sprocket for a 630 chain and replaces Honda OEM 23801-425-670.
Which 1979 DOHC CB750 models use sprocket 23-0402?
It fits the 1979 CB750K, CB750F Supersport and CB750L Limited.
What should be checked when replacing the front sprocket?
Confirm the rear sprocket also uses 630 chain, inspect both sprockets and the chain as a set, and verify chain length and adjustment range.