dieselwrench Posted April 12, 2012 Share Posted April 12, 2012 98 R1100RT The o-ring on the fuel pump/filter flange appeared to be leaking. No big deal, it happened a year and a half ago and a new o-ring fixed it. This time I replaced the o-ring, reassembled, put some gas in the tank to check for leaks, and it leaked worse than the leak I was trying to fix. Disassembled to see if maybe the o-ring slipped or some trash got in the way. everything looked good. Put it back together, still leaked. Took the o-ring out again and measured the thickness of it and some used ones that I saved from before. There was a 10 thousand's difference in thickness between the new and old rings. Maybe the old o-rings swelled up a little. I stuck an old o-ring in and so far, No Leaks. The reason I'm posting this is that I'm curious if anyone else has had this problem or am I the only lucky one? or is there a problem with these plastic tanks as they age that they become warped or distorted in the fuel pump mounting area to were a new o-ring doesn't do the job? Link to comment
motomaj Posted April 14, 2012 Share Posted April 14, 2012 I have a 94 1100rs and had a fuel leak. had to reroute the breather hoses after removing the tank for other reasons. The "reasons" were my fault. No more leaking. Link to comment
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