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Front fork spring guides

Dick Eastman
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Front fork spring guides

Post by Dick Eastman » Fri Dec 11, 2015 5:50 am

P/N 51523-268-000.Has anyone got a source for these, NOS? Or perhaps a substitute. Ohio Cycle does not show any.

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G-Man
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Post by G-Man » Fri Dec 11, 2015 6:11 am

Nothing at DSS or CMS, either. Maybe you could use some plastic tube?

G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
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G-Man
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Post by G-Man » Fri Dec 11, 2015 6:29 am

I just pulled this one out of a NOS fork leg that I bought cheaply from David Silver. It looks like it is made from some kind of thin card or plastic.

Image

Image

I would think you could make something out of thin plastic sheet or form some heat shrink tubing around something slightly larger than the fork tube.

G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

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Seadog
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Post by Seadog » Wed Jan 17, 2018 11:02 am

This is a very old post, but I wonder if anyone has the dimensions of these guides so that they might be reproduced. It doesn't look like a difficult job.

DJM
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Fork spring guides

Post by DJM » Wed Jan 17, 2018 11:33 am

The material pictured looks a lot like the sheet stuff you can buy to make gaskets, comes in various thicknesses but should do the job. I suspect the guide is there to suppress rattles between the spring and the fork tube, not highly stressed so material choice isn't critical.

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Seadog
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Re: Fork spring guides

Post by Seadog » Wed Jan 17, 2018 12:35 pm

I suspect that you’re right about the purpose. It would also protect the fork pipe from being scraped by the spring. Suitable material shouldn’t be difficult to find and cutting it out should also be straightforward, but having the dimensions would make life easier.
DJM wrote:The material pictured looks a lot like the sheet stuff you can buy to make gaskets, comes in various thicknesses but should do the job. I suspect the guide is there to suppress rattles between the spring and the fork tube, not highly stressed so material choice isn't critical.

AlanW
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Post by AlanW » Wed Jan 17, 2018 4:44 pm

95mm long, 35mm to slide inside the spring, 45mm on the end to go over the spring top.
I just went to the workshop and measured one.
Al.

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