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Kick start seal

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metoo
Posts: 21
Joined: Mon Apr 17, 2023 11:27 am

Kick start seal

Post by metoo »

Hi, I have a leak at the kick start shaft seal. Is it possible to replace the seal while the transmission still on the bike by just removing the kick starter lever?

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VintageJim
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Re: Kick start seal

Post by VintageJim »

I just rebuilt the transmission on my R26 and the seal was external so should be able to change without tearing down the transmission.

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Rodolfo850
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Re: Kick start seal

Post by Rodolfo850 »

yes, it can be changed without removing trans from bike.

Remove kickstarter wedge bolt, then you will need a drywall screw and carefully screw two on middle body and pull with a visegrip..take care to avoid screw it too long, that could damage gearbox body.

Seal its 17x28x7 mm

metoo
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Joined: Mon Apr 17, 2023 11:27 am

Re: Kick start seal

Post by metoo »

Thanks!

bigdave
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Re: Kick start seal

Post by bigdave »

Metoo,
I have the same leak and am anxious to hear how you proceeded with the repair and your success. I do not understand what was mentioned previously about the drywall screws and how they would work.
1987 R80RT
1965 R50/2 (now sold)
1958 R60 (project) Now running well
1973 R75/5 (recently sold)
1956 R26 (basket case project)

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VintageJim
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Re: Kick start seal

Post by VintageJim »

You need some way to grab the seal and pull it out, without damaging the shaft or the aluminum bore where the seal fits. The seal internally has a thin sheet metal covered with the rubber seal material. If you carefully drill a small hole in the front face of the seal and screw in the sheet metal screw you can grab the screw with a pliers and pull it out. I have never used this method but it sounds good and will try it in the future. I have always used a small screwdriver and carefully worked to loosen and pry the seals out. You can also buy seal pullers but have never needed one.
Jim

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