1978 GS750.....When I rebuilt my carbs I used the Robert Barr gasket kit, all was well for awhile but then they started leaking through the float bowl drain screw, the seepage is very dark in color like the fuel has started to dissolve the o-rings. I then bought OEM Suzuki o-rings for the drain screws from Partzilla, same result: after a few months they started leaking. We have 10% ethanol in our gasoline here in the land of political corruption (Illinios) and I suspect that is causing my problem. After a complete teardown and rebuild of the entire motorcycle, literally every nut and bolt....this is the only leak and it's annoying me. Does anyone have a source for these o-rings that will resist ethanol blends, are the correct size etc??
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float bowl drain screw gasket
- Thread starter Jhurt
- Start date
Make one from gasket paper. They last quite awhile. If you like a thin washer between bolt and paper gasket might extend life or it might not-I don't bother.
(Myself, I haven't seen any effect of gasohol on my bikes but it's hard to know how much is really in the gas despite the declaration on pumps)
(Myself, I haven't seen any effect of gasohol on my bikes but it's hard to know how much is really in the gas despite the declaration on pumps)
Robert Barr posted information here with all the sizes of his O-ring kits.
