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1971 Honda CB100K1 Gaskets & Oil Seals

A targeted shaft-seal purchase can be more useful than ordering a broad kit without checking its contents. This 1971 Honda CB100K1 selection features the shift shaft seal; identify that sealing position and compare the removed part before deciding what else the repair needs.

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Currently viewing Gaskets & Oil Seals & Engine Hardware

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Honda CB750 CB400 CB350 shift shaft seal 14 x 28 x 7 91206-286-013

Honda CB Shift Shaft Seal ~ 14 x 28 x 7 ~ Replaces 91206-286-013

$4.61 USD
73-0959
Replace your shift shaft seal with this Shift Shaft Seal, 14 x 28 x 7, replacing OEM #91206-286-013. High-quality, made in Japan.Key Features• Shift...
Honda CB125 CB100 oil pump gasket 15126-107-020

Honda CB125 / CB100 Oil Pump Gasket ~ Replaces 15126-107-020

$2.95 USD
73-1196
Ensure a secure, leak-free seal during your engine rebuild or maintenance with this Oil Pump Gasket. Precisely engineered to replace OEM# 15126-107-020, this gasket...
New
Honda CB100 CB125S engine oil seal kit 91201-030-0333

1970-80 Honda CB100 / CB125S Engine Oil Seal Kit

$11.21 USD
07-4648
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...
New
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Honda CB100K overhaul gasket set

1970-72 Honda CB100K Overhaul Gasket Set

$29.95 USD
18-0096
Perform a complete engine overhaul on your CB100K with this Engine Overhaul Gasket Set.Key Features• Engine overhaul gasket setFitment / Compatibility• Honda CB100K (1970‑72)Part...
Honda CB125 CB100 oil filter cap gasket 15459-KT0-710

Honda CB125 / CB100 Oil Filter Cap Gasket ~ Replaces 15459-KT0-710

$5.95 USD
73-1197
Maintain proper oil system sealing with this high-quality Oil Filter Cap Gasket. This direct replacement meets OEM specifications to ensure a leak-free seal when...
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1971 Honda CB100K1 · Gaskets & Oil Seals Buying guide

Choose the seal for the shaft you are repairing

The featured seal carries reference 91206-286-013 and dimensions of 14 × 28 × 7. These are ordering details for this replacement, not a diagnosis of a leak or a list of overhaul-kit contents.

Parts to consider

Honda CB Shift Shaft Seal ~ 14 x 28 x 7 ~ Replaces 91206-286-013 Shift Shaft Seal14 × 28 × 7 shaft seal, made in Japan; replacement reference 91206-286-013.View part

Use the complete seal identity

The Japanese-made shift shaft seal uses replacement reference 91206-286-013 and measures 14 × 28 × 7. Keep the reference with the removed seal and its location. A similar outside diameter does not establish that another engine seal serves the same shaft.

Check a gasket set before adding shaft seals

The overhaul gasket set in the wider selection does not itemize its contents. If you already bought one, check the actual package for the gearshift seal before adding this replacement. Plan other sealing points individually instead of treating a gasket-set name as a complete oil-seal list.

Ordering questions

Can I choose this by diameter alone?

Compare all three dimensions, 14 × 28 × 7, plus the shaft location and replacement reference. One matching diameter is not enough to distinguish this seal from another similarly shaped component.

Does a made-in-Japan description establish genuine Honda branding?

This replacement is described as made in Japan and uses a Honda reference number. Those facts identify its stated origin and application; they do not establish Honda branding. Confirm the maker if genuine Honda packaging matters to your restoration.

Should I buy this seal when an overhaul gasket set is already on order?

Confirm that set’s contents first. Its current description does not itemize shaft seals. Look for reference 91206-286-013 or the matching 14 × 28 × 7 gearshift seal before deciding whether this separate item is needed.

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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