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1971 Honda SL350K1 Gaskets & Oil Seals

For a 1971 Honda SL350K1 sealing repair, locate the source of the leak before choosing an engine gasket set or a shaft seal. A planned engine teardown and a local leak call for different checks of contents and dimensions.

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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...
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Honda CB360 CB350 CL350K0 CL350K2 clutch ball retainer 22860-286-000

Honda CB Clutch Ball Retainer ~ Replaces 22860-286-000

$16.95 USD
99-4850
Restore crisp clutch engagement and reliable function with this Clutch Ball Retainer — designed to replace OEM #22860‑286‑000 on a variety of classic Honda...
Honda CB350 CL350K2 CL350K3 CL350K4 SL350K1 Athena overhaul gasket set

Honda CB Athena Overhaul Gasket Set

$84.95 USD
18-0383
Rebuild your CB350, CL350, or SL350 engine with this Athena Overhaul Engine Gasket Set. Athena of Italy is an original-equipment supplier to Yamaha, Honda,...
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1971 Honda SL350K1 · Gaskets & Oil Seals Buying guide

Match the sealing part to the leaking joint

The Athena set offers an overhaul starting point, while the shift-shaft seal is a separate dimensional part. Match the repair to the sealing location and the engine fitted before ordering either option.

Parts to consider

Honda CB Athena Overhaul Gasket Set Athena engine gasket setAthena overhaul gasket set with SL350 (1971) included in its application list.View part Honda CB Shift Shaft Seal ~ 14 x 28 x 7 ~ Replaces 91206-286-013 Shift-shaft oil sealJapanese-made 14 × 28 × 7 shift-shaft seal, replacing reference 91206-286-013.View part

Use a joint-by-joint repair list

The Athena set explicitly covers the 1971 SL350. Use it for an overhaul plan built around the joints being opened, and confirm its packing list before relying on it for individual shaft seals. The separate Japanese-made shift-shaft seal measures 14 × 28 × 7 and replaces 91206-286-013.

Inspect the surrounding parts too

A new sealing part should be chosen after the shaft and sealing surfaces have been assessed. Use the service manual for removal, surface preparation and installation. Keep dimensions from the replacement seal distinct from a claim about every engine that may now be installed.

Buying questions

Is the shaft seal already included in the Athena set?

The available set description does not confirm its individual contents. Ask for the packing list before omitting the separate shift-shaft seal from a job that needs one.

What should I compare if the old seal markings are unreadable?

Compare the removed seal and its location with the replacement’s 14 × 28 × 7 description and reference 91206-286-013. Have the shaft and housing identified before ordering on dimensions alone.

Does oil around the gear lever always mean this seal is at fault?

First trace the leak on a clean engine. Oil can travel from another joint, so identifying the wet area alone is insufficient to choose between a cover gasket and a shaft seal.

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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