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  • 1970-80 Honda CB100 / CB125S Engine Oil Seal Kit
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Honda CB100 CB125S engine oil seal kit 91201-030-0333
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Honda CB100 CB125S engine oil seal kit 91201-030-0333

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1970-80 Honda CB100 / CB125S Engine Oil Seal Kit

07-4648
$11.21 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 1,347 store reviews
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
Browse all parts
1970-80 Honda CB100 / CB125S Engine Oil Seal Kit
$11.21 USD
Description

Rebuild your CB100K or CB125S small-bore engine with this 4-piece Engine Oil Seal Kit. Covers the key oil seals for a proper refresh, saving you the hassle of sourcing each part individually.

Kit includes:
• Transmission Front Sprocket Seal, 20 x 34 x 7, replaces OEM #91201-030-0333
• Points Advancer Seal, 15 x 25 x 7, replaces OEM #91203-965-003
• Right Crankcase Cover Seal, 16 x 28 x 7, replaces OEM #91204-259-003
• Gearshift Seal, 14 x 28 x 7, replaces OEM #91206-286-013

Key Features
• 4-piece engine oil seal kit
• Covers sprocket, points advancer, crankcase cover, and gearshift seals
• One-stop rebuild bundle
• Honda part name: Oil Seal (20X34X7) (Arai)
• Interchangeable with Honda 91201-030-000

Fitment / Compatibility
• Honda CB100K (1970‑72)
• CB125S (1973‑80)

Part Number: 07-4648

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

Make Model Year
Honda CB100K0 1970
Honda CB100K1 1971
Honda CB100K2 1972
Honda CB125S0 1973
Honda CB125S1 1974
Honda CB125S2 1975
Honda CB125S3 1976
Honda CB125S5 1978
Honda CB125S 1979
Honda CB125S 1980

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.

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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

Which seals and Honda OEM references are included in the four-piece CB100 and CB125S oil-seal kit?

The kit contains one 20 x 34 x 7 front-sprocket seal replacing 91201-030-033, one 15 x 25 x 7 points-advancer seal replacing 91203-965-003, one 16 x 28 x 7 right-crankcase-cover seal replacing 91204-259-003 and one 14 x 28 x 7 gearshift-shaft seal replacing 91206-286-013.

Is oil-seal kit 07-4648 a complete engine gasket and seal set?

No. It contains the four specifically named shaft and cover seals for the listed 1970-1972 CB100K and 1973-1980 CB125S models. Engine gaskets, O-rings and any additional seals are separate.

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