trusty2stroke Posted February 1, 2011 Author Report Share Posted February 1, 2011 well went on fmf's website and found out fmf says to use 260 main jets and 30 pilot jets. i think with the 280 main jets in the bike now are ok for winter time but im gonna pick up some diffrent pilot jets. i put new b8es spark plugs in each cylinder. i did test for air leaks but im not sure if i did it the proper way, what i did was get some water in a spray bottle and sprayed it on the base gaskets and head gaskets and cranked the bike over a few times and i didnt see and bubbles come out so i dont think there is any air leaks. i dont know if this is method works on bigger two strokes but this is how i check for air leaks in my nitro rc engines and it works for those. also couplex, what does that little black box do? is it something to deal with the tors? Quote Link to comment Share on other sites More sharing options...
Coupelx Posted February 1, 2011 Report Share Posted February 1, 2011 well went on fmf's website and found out fmf says to use 260 main jets and 30 pilot jets. i think with the 280 main jets in the bike now are ok for winter time but im gonna pick up some diffrent pilot jets. i put new b8es spark plugs in each cylinder. i did test for air leaks but im not sure if i did it the proper way, what i did was get some water in a spray bottle and sprayed it on the base gaskets and head gaskets and cranked the bike over a few times and i didnt see and bubbles come out so i dont think there is any air leaks. i dont know if this is method works on bigger two strokes but this is how i check for air leaks in my nitro rc engines and it works for those. also couplex, what does that little black box do? is it something to deal with the tors? dunno if that works for leaks. maybe if it was running it would. the black box is for the tors, yes. Quote Link to comment Share on other sites More sharing options...
trusty2stroke Posted February 2, 2011 Author Report Share Posted February 2, 2011 (edited) dunno if that works for leaks. maybe if it was running it would. the black box is for the tors, yes. i unplugged the black box and it didnt change anything. the left cylinder is firing more frequently at low rpms but its still not right, and i cant get rid of the low end bog. i really am out of ideas of what it could be. Edited February 2, 2011 by trusty2stroke Quote Link to comment Share on other sites More sharing options...
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