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Honda CB750 CB900 CB1000C engine oil seal kit made in japan with 6 seals 91256-425-003
Engine oil seal kit, SKU 01-9034: product photo and reviewed parts fiche. Example diagram; check listing for fitment.
5.0 ( 1 review)

1979-83 Honda CB750 / CB900 / CB1000C Engine Oil Seal Kit

01-9034
$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 1,329 store reviews

1 product reviews

1979-83 Honda CB750 / CB900 / CB1000C Engine Oil Seal Kit

$44.95 USD

Seal up your DOHC-era CB's engine rebuild with this 6-piece Engine Oil Seal Kit. Superior OEM quality, made in Japan, and built for the wide range of Honda multis from the late '70s to early '80s including the CB750, CB750SC Nighthawk, CB900, and CB1000C families.

Kit contains:
• 1 pc #91256-425-003 / #91256-425-005 Tach drive oil seal, 4.8 x 14.5 x 5
• 1 pc #91259-VM0-000 / #91206-333-003 / 425/003 Clutch arm oil seal, 10 x 16 x 4.5
• 1 pc #91201-425-003 Crank seal, 25 x 42 x 8
• 1 pc #91257-425-013 / 004 / 003 Oil pump shaft seal, 25 x 47 x 10
• 1 pc #91205-425-003 Countershaft oil seal, 40 x 62 x 13
• 1 pc #91204-350-003 / 425-003 Shift shaft oil seal, 12.5 x 25 x 8

Key Features
• 6-piece engine oil seal kit
• Superior OEM quality, made in Japan
• Covers tach, clutch arm, crank, oil pump, countershaft, and shift shaft seals
• Keyed to correct OEM specifications

Fitment / Compatibility

• Honda CB750K (1979‑82)
• CB750F (1979‑82) Supersport
• CB750C (1980‑82) Custom
• CB750L (1979)


• Honda CB750SC (1982‑83) Nighthawk


• Honda CB900F (1981‑82) Supersport
• CB900C (1980‑82) Custom
• CB1000C (1983) Custom

Part Number: 01-9034

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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 1979
Honda CB750F Supersport 1979
Honda CB750L Limited 1979
Honda CB750K 1980
Honda CB750F 1980
Honda CB750C Custom 1980
Honda CB750K 1981
Honda CB750F 1981
Honda CB750C 1981
Honda CB750K 1982
Honda CB750F 1982
Honda CB750C 1982
Honda CB750SC Nighthawk 1982
Honda CB750SC 1983
Honda CB900C Custom 1980
Honda CB900C 1981
Honda CB900F Supersport 1981
Honda CB900C 1982
Honda CB900F 1982
Honda CB1000C Custom 1983

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

How many oil seals are included in the engine oil-seal kit?

Six oil seals are included for one engine.

Which engine locations are covered by the oil-seal kit?

The kit includes seals for the tachometer drive, clutch arm, crankshaft, oil pump, countershaft and shift shaft.

What sizes are included in the engine oil-seal kit?

The kit includes 4.8×14.5×5mm, 10×16×4.5mm, 25×42×8mm, 25×47×10mm, 40×62×13mm and 12.5×25×8mm seals.

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