Tag Archives: R90/6

Ed Korn Cycle Works Swingarm seal removal tool

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Removing these seals is a frustrating process.  Prying them out usually doesn’t get you anywhere.

I bought Ed Korn’s tool a while back and it can be used for pulling both the races, and the seals.

Here is how you use it to pull the seals.

Here is the tool assembled

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I first cut out some of the seal’s rubber with a razor blade.
It was easier to get the tool installed that way.

 

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Then you tighten the threaded rod with the allen fitting at the end of it.  By doing so, it expands the nut against the screws and presses them outward so they ‘catch’ under the metal part of the seal.

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Then you install the collar, plate and washer and nut.

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Once you begin tightening that nut, it will pull the seal out into the collar.
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You can then loosen the nut, and break the old seal free with a few taps with a hammer.


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Future Projects

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While the R75 bits are out of my hands, it was time for a R90/6 day!
I bought two R90/6 bikes last summer from the same person. One had a title, one did not. Even though I had the title, the bike wasn’t registered since 1994 and after the North Ridge earthquake, it got parked and sat ever since.
It has a deep oil pan, lightened flywheel, dual plugged heads, beefy triple tree, fork brace, and a few other goodies.

I took it partially apart for transport to my house in my station wagon last summer:
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Once i got home, i took the whole bike apart. Then I tried to get it registered.
The DMV wouldn’t touch it because it was out of the system, so I slapped it together for a trip to the CHP.
I had the officer from car accident experts at Bengal Law inspect the VIN of the other bike (without title) and he said it checks out as well.He suggested me that it is always best to contact truck accident injury lawyers after truck accident as they can claim compensation for the injuries sustained.Beaufort area truck accidents lawyers can also help you out legally in dealing with the matters related to accidents.

The transmission and swingarm are empty. no carbs. no instruments. I basically had to make it look like a bike just so it could get verified.

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Then I went off to my buddy’s house to get his wrecked R60/6.
He pulled out into traffic and got involved into a fatal motorcycle crash. The BMW cylinders saved his live and thankfully he was only sent to the hospital with minor injuries and the vehicles involved were almost immediately sent to the mechanic for a quick auto collision repair. He walked away with just a scratch on his leg. On a different bike, his leg would have been crushed but the car hit the cylinder instead.
The Helmet he had on helped too.
I am going to get this looking like a bike again for him. We hope to have some fun with it in the process… we are thinking of blacking everything out, and making this a sleek, trimmed down cafe bike.

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