Question about 1994 BMW R 80
When I bought the bike and first filled it up, fuel leaked from the right hand carb, after taking off the float bowl and tapping the float it stopped. Since then I (with the help of a retired mechanic) have replaced the gasket, replaced the float valve which had a groove in the rubber tip, checked the float didn't have fuel in it, and adjusted the tab that presses the valve. All seemed good, leak stopped, until today on my first long ride when after an hour I stopped for lunch and when I came back to bike fuel was p**sing out as badly as it ever had. It seemed to be leaking from a small pipe/tube in the middle of the carb. When I turned the tap off and waited for it to empty, then turned it on again, fuel came out somewhere else, (nearer the side with the float valve).
I had the same deal. After the rebuild kit, it still happened. Against the advice of my mechanic, I filed the top of the float ever so slightly, decreasing the chance for the top of the float to come into contact with the dome of the carb. 2 years later, no leaks. And always - always - turn off the fuel when not mobile ;>)
Posted on Mar 18, 2009
Type in "R80 carb rebuild kits" in google. There's a few sites that have them on offer. Generally just the diaphams, gaskets and O-rings. http://www.ascycles.com/detail.aspx?ID=2688 Float level may be set too high on one side allowing it to overflow too. Had a similar issue on my R65. Just got in the habit of putting it on the centre stand and turning the fuel cocks of when not mobile.
Posted on Nov 20, 2008
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Posted on Jan 02, 2017
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