Rear master cylinder o-ring at input port


Information and questions on GL1100 Goldwings (1980-1983)
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bofler
Posts: 93
Joined: Thu Aug 22, 2019 9:09 pm
Location: Fort Scott, KS
Motorcycle: 1983 GL1100I

Rear master cylinder o-ring at input port

Post by bofler »



After much struggling, finally got the rear master cylinder apart. While it looks like garbage externally, inside it's not too bad. Going to rebuild...

But the K&L rebuild kit (and probably others) doesn't include an o-ring for the input port. The one I pulled out is beat. I guess I can probably find one that fits pretty easily, but any information on size and if I need a specific o-ring for brake fluid would be much appreciated. Thanks!
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Good Hondog
Posts: 206
Joined: Sun May 14, 2017 6:56 pm
Location: Calgary, Alberta, Canada
Motorcycle: 1980 GL1100 Interstate
1978 GL1000

Re: Rear master cylinder o-ring at input port

Post by Good Hondog »

The O-ring you need is still available new from Honda. Order part number 91212-422-006. They're not expensive.

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