toetoe Posted December 17, 2013 Report Share Posted December 17, 2013 I noticed that there was exhaust fumes coming from Where the middle silencer joins to the exhaust pipe so I have had a look at the spare part manual and there is an O-ring, will a new O-ring do the job or is there something else I will need to do, it is only a small amount and seems to be when I first kick the bike up, with the choke on and once the bike is warm, it disappears. Regards Tony Quote Link to comment Share on other sites More sharing options...
rob214 Posted December 17, 2013 Report Share Posted December 17, 2013 if it's only at start up then i wouldn't bother if it was all the time change the o ring it's not hard but sometimes can be a pain. it might be that as the temp goes up everything swells and seals? not an expert but someone else may help out with advice rob Quote Link to comment Share on other sites More sharing options...
tony27 Posted December 18, 2013 Report Share Posted December 18, 2013 (edited) Just the o-ring, quick job to do. May as well do the 1 where the midbox joins the muffler at the same time Edited December 18, 2013 by tony27 Quote Link to comment Share on other sites More sharing options...
toetoe Posted December 18, 2013 Author Report Share Posted December 18, 2013 Just the o-ring, quick job to do. May as well do the 1 where the midbox joins the muffler at the same time good idea, to do the other one at the same time, chances are they are the same age and the other one will start to fail and it's all good experience for me, thanks for the replies. regards Tony Quote Link to comment Share on other sites More sharing options...
thats_a_five Posted December 18, 2013 Report Share Posted December 18, 2013 good idea, to do the other one at the same time, chances are they are the same age and the other one will start to fail and it's all good experience for me, thanks for the replies. regards Tony Make sure you buy the high temperature silicone O-rings. Regular bun-n O-rings are likely to go up in flames at the high temps on 4 stroke exhausts. If the leak is small, you could simply take it apart, clean up the surfaces and use some hi-temp silicone sealer when you reassemble. Quote Link to comment Share on other sites More sharing options...
charlie chitlins Posted December 18, 2013 Report Share Posted December 18, 2013 Just some clear silicone. The kind you get at the hardware. Just make sure it's 100% silicone. Been using it for 120 years. Even stays in the exhaust ports of Harleys. Quote Link to comment Share on other sites More sharing options...
steve_earle Posted December 18, 2013 Report Share Posted December 18, 2013 I second the silicone, the high temp rtv type, Halfords sell the loctite silicone this will work. If the o rings are not damaged just clean the joint with carb cleaner or white spirit then apply a light smear to the male part of the pipe and assemble. Leave the bike overnight before you start it to let the sealer set. I have seen factory bikes with silicone sealed pipes so I feel I'm not a bodger after all! Quote Link to comment Share on other sites More sharing options...
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