CTMI Posted March 27, 2018 Report Share Posted March 27, 2018 in your earlier thread i asked when the last time your gaskets were swapped out. I asked because its very possible that was a little piece of gasket in there. thats what happened to me. it was tan too. granted, im no scientist but aluminum hyroxination occurring randomly in a carb bowl to the point of spawning some large piece of antimatter all while flying at X000 feet, which migrates finally to clog the jet.............. well. it just seems...... elaborate. sure it wasnt just a piece of gasket? the cork ones are tan........ if so, get the green ones. Please nobody imron their carbs. Link to comment Share on other sites More sharing options...
John Vance Posted March 27, 2018 Author Report Share Posted March 27, 2018 7 minutes ago, CTMI said: in your earlier thread i asked when the last time your gaskets were swapped out. I asked because its very possible that was a little piece of gasket in there. thats what happened to me. it was tan too. granted, im no scientist but aluminum hyroxination occurring randomly in a carb bowl to the point of spawning some large piece of antimatter all while flying at X000 feet, which migrates finally to clog the jet.............. well. it just seems...... elaborate. sure it wasnt just a piece of gasket? the cork ones are tan........ if so, get the green ones. Please nobody imron their carbs. Definitely not gasket material. Mine are green. Link to comment Share on other sites More sharing options...
Tom Baker Posted March 27, 2018 Report Share Posted March 27, 2018 I know thread drift, but I just ordered a pair of bowl gaskets and they were a black neoprene type material. Link to comment Share on other sites More sharing options...
Roger Lee Posted March 28, 2018 Report Share Posted March 28, 2018 The black rubber type bowl gasket is new and not much long term or huge numbers to give any indication about its longevity or leak proofing. Time will tell. Link to comment Share on other sites More sharing options...
Runtoeat Posted March 28, 2018 Report Share Posted March 28, 2018 Tom, you and Roger are experienced with the Rotax engines. Please keep us informed of your experience with the newer soft polymer gasket compared to the green ones. If any others have used the polymer, I would be interested in comments. These softer gaskets seem like they would seal better, not that the green ones didn't seal well. Wondering if there is more "squish" and this changes the float needle setting? Also wondering how well the black polymer holds up to fuels with ethanol. Link to comment Share on other sites More sharing options...
WmInce Posted March 28, 2018 Report Share Posted March 28, 2018 3 hours ago, Runtoeat said: Tom, you and Roger are experienced with the Rotax engines. Please keep us informed of your experience with the newer soft polymer gasket compared to the green ones. If any others have used the polymer, I would be interested in comments. These softer gaskets seem like they would seal better, not that the green ones didn't seal well. Wondering if there is more "squish" and this changes the float needle setting? Also wondering how well the black polymer holds up to fuels with ethanol. x2 Link to comment Share on other sites More sharing options...
Anticept Posted March 28, 2018 Report Share Posted March 28, 2018 As long as it isn't actually neoprene, ethanol fuel will destroy it in no time... Probably buna-n. Link to comment Share on other sites More sharing options...
procharger Posted March 30, 2018 Report Share Posted March 30, 2018 Checked mine today perfectly clean shiny like new inside. 150 hrs since last carb service. Link to comment Share on other sites More sharing options...
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