Harley Davidson Street Forum - Street 500 and 750 - View Single Post - Sump o-ring
Thread: Sump o-ring
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post #2 of Old 07-02-2019, 04:39 PM
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Location: Oregon, USA
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Botty, a great question. Though they are a cheap part, I always like to find out what is the generic part that would work.

A bit of digging revealed that the drain plug o-ring is probably a "12.5 X 1.8 V75".

1.8 mm is a bit unusual cross section size for o-rings; a 1.9 mm will probably work. It's likely Viton with 75 durometer hardness.

A hardware supplier like McMaster has these:

I'm sorry that isn't much help for UK but the generic o-ring is available somewhere over there. Good luck.
T-BoneSteve is offline  

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