cheeta Posted April 26, 2010 Report Share Posted April 26, 2010 (edited) ok so heres the story one day i went to start my bike and it wouldn't start so i started messing with it and it had low compression so i rebuilt it with new pistons and a new crank just to be safe(it was a used crank the rebuild before and i just wanted new) and i had the cylinders bored for the pistons. now i got it all back together and it still wont start. i did a leakdown test and it held 8psi for 7 mins didnt lose 1/2 a psi i compressin checked it and 120 on both sides it is getting good spark and it is getting gas. i tried going up and down in jets and no change i cleaned and inspected the carbs they are synced i have no tors and the box is gone i had the timing at +4 and i tried it at stock. the bike always ran. if i kick it like 40 times it will start and i have to hold it at 1/4 throttal to keep it running revving at like 3000 drop below that and it dies instantley but i can warm it up and clear it right out and it revs good but if i let the rev drop it dies instantley. and it seems like when ever i take the plugs out and put them back in and try to kick it it will sound like it wants to start on the first kick but after that it wont start for about 40 kicks i have been working on this for like a week and cant get it to run and im about to give up and prolly sell it like it is i tried everything i know and everything i read on here and still nothing so im hoping someone on here can point something out that i missed and yes i have the choke balance tube in my buddie asked me that 30 times already and its fresh gas Edited April 26, 2010 by cheeta Quote Link to comment Share on other sites More sharing options...
mofoka Posted April 26, 2010 Report Share Posted April 26, 2010 how's your coil? are you getting a solid spark? Quote Link to comment Share on other sites More sharing options...
bbcmudtruck Posted April 26, 2010 Report Share Posted April 26, 2010 Are your carb slides in backwards? Quote Link to comment Share on other sites More sharing options...
tecateman Posted April 26, 2010 Report Share Posted April 26, 2010 might sound dumb but have you tried new spark plugs? new gas etc Quote Link to comment Share on other sites More sharing options...
Larry's Shee Posted April 26, 2010 Report Share Posted April 26, 2010 Check pickup gap to flywheel, .015 - .020 , also clean lugs for pick-up on flywheel. Check wire conections for corrosion and tightness. Check ground at coil, might be bad plug caps. Quote Link to comment Share on other sites More sharing options...
tt_bansheerida Posted April 26, 2010 Report Share Posted April 26, 2010 i had the same problem with my banshee it wouldent idle i just adjusted the nuts on the top of the carb caps what size pilot jets are you running have you tryed playing with the air screws ? i set my air screws at 1 1/4 turns out Quote Link to comment Share on other sites More sharing options...
pweezy42 Posted April 26, 2010 Report Share Posted April 26, 2010 i had same proab. was getting spark and everything ended up being plug caps. Quote Link to comment Share on other sites More sharing options...
bode1 Posted April 26, 2010 Report Share Posted April 26, 2010 Mine was a bitch to start for a while, I had the carb bowls on the wrong sides. Switched them, starts easy all the time now. The carb with the little brass ball bearing on the front of the bowl goes on the choke side. Quote Link to comment Share on other sites More sharing options...
cheeta Posted April 27, 2010 Author Report Share Posted April 27, 2010 thanks for the tips i gotta work today but im gonna check it out after work Quote Link to comment Share on other sites More sharing options...
rgdrum Posted April 30, 2010 Report Share Posted April 30, 2010 your case may be filled with fuel. I rebuilt a banshee that wouldnt start, had good fuel/spark/compression but it would run or it would barely run and I took the cylinders off and the case had tons of fuel in the case so I sucked it out with a windex squirter and it ran after a new top end. but for the three days I tried to figure out the issue I wanted to push it off a cliff. When I took the exhausts off they had fuel sitting in them which was what led me to beleive there was fuel in the case Quote Link to comment Share on other sites More sharing options...
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