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Showing results for tags 'mis-firing'.
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Here is my situation; first the bike, stock motor, put new rings on about 15hrs of riding on them, stock carbs w/tors but not plugged in 360 main 25 (stock polit), k&n air filter with box but no lid, boysen reeds, PT mid range pipes, fat boy silencers, repacked 5 hrs of riding on them(how ever they had cracks where the skinny part of the pipe met the silencer) i've just been jb welding it every few rides, buying some used pro citcuit silencers from nastyracing on the way now . ( i never took the old silencers apart yet to see if the packing ended up all fucky) So i leaned the bike out on the right side, boost bottle cracked intake,( put my cross over tube back on now) spak plug was almost white. so i put new intake boots and cross over tube on and now it seems to be misfirring and blowing cold smoke out the right side. it will still rip and hit power band in each gear, starts fine and even idels ok( i mean it runs but right side is blowing cold smoke and doesn't have the same timing and force as the left side) if i rip it up the road i can stil feel the mis fire every where in the throttle and the right pipe will eventually warm up a bit, when it is at idel and I blip the throtte a shit load of smoke comes out the right side and barly any out the left( which I think once its warmed up it desn't produce too much smoke any way) but why so much on the right side? Things i've checked; tryed new plugs, and older plugs that where burnt perfact choc. brown compression test, 122 left side 119 right side swaped plug wires cleaned carb very well reeds look fine warmed it up and swapped carbs from side to side( used a 10inch clear hose i had for the choke tube) took head off, check for warping with i think .003 feeler gauge ( i have a clymers book at the garage) it was in spec the right side dome seemed to be almost clean and left side a litle dark pistons looked ok from the top there was a little ding on the edge of the right one, didn't seem too serious, tiny bit of play when i put the pistons at a half stroke postion so they where at the same height, but both were the same. so now i'm waiting for the silencers that are not fucked like mine were,......if that doesn't help where do i go next, most poeple are telling me cdi, flywheel, stator.... but i thought changing the plugs wires from one side to the other would eleminate electrical since when i did that there was no change to my problem. Sorry this topic is so winded.... any help is greatly appreciated.