Clutch Slave Cylinder O-Ring

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Cucciolo - the Lil Pup
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Clutch Slave Cylinder O-Ring

Post by mmmexico »

So...Here's the problem. It seems that I have an early F1 and the seal on the slave cylinder of the clutch is in the bore of the slave cylinder. My slave cylinder is 31mm in diameter, so the O-Ring is going to have to be somewhat larger. Does anyone know of a quick and easy place/person/business from whom I can buy a couple???

In advance...Thanks!!!

Parallel Twin
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Re: Clutch Slave Cylinder O-Ring

Post by radecal »

G'day Mike,
This was a topic on the Pantahead List recently and a special seal is available to replace the original one.
I can check to see if I still have the post. I have an '86 F1 so was also after the seal for mine as I seem to remember they had a couple of sizes.
Cucciolo - the Lil Pup
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Re: Clutch Slave Cylinder O-Ring

Post by hms86f1 »

Did you ever get an answer to your question? I have the same clutch slave cylinder (o-ring inside bore). I measured the original as OD=39MM, ID=31MM and cross-section=4MM. Is that correct? I found an EPDM (brake fluid safe) O-ring of those dimensions but see that they come in different hardnesses: 40, 50, 60, 70, 75 and 90, the standard being 70. Did you learn anything about the correct hardness? Thanks
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Re: Clutch Slave Cylinder O-Ring

Post by BevHevSteve »

Hey Bob - please find the info and let me know - I get asked about these all the time and really should get em in stock... Hope all is well with you and The Missus. Cheers.
Steve Allen (925)798-BEVL[2385] Ride'm, Don't Hide'm
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