Otis Posted February 9, 2005 Report Posted February 9, 2005 The bike all of a sudden, started to bog between (about) 1/8 and 3/4 throttle. Same temp, same riding area, no new mods..... It bogged till about 3/4 throttle when the powerband kicked in. I played with the air screws, but that did nothing. I switched out the 27.5 pilots, put the 25's back in, and adjusted the air screws again. The bike ran great. It doesnt make sence(to me). I read over the jetting FAQ again, and it sounds like i should lean out the needle(i'm on the 2nd from the top now), put the 27.5's back in, and adjust the air screws. Just looking for others opinions.. my mods...noss head(19 or 20 domes), K-n-N, fatties, V-force reeds, 320 mains, 2100 feet above sea level, and 60F out Quote
FIRST BANSHEE Posted February 9, 2005 Report Posted February 9, 2005 every bike is going to be different, if it's running great I say leave it be... Quote
. Posted February 9, 2005 Report Posted February 9, 2005 try going to like a 290 or so on your main and throw the 27.5 back in. You might be rich on your main. Quote
Banchetta Posted February 10, 2005 Report Posted February 10, 2005 The bike all of a sudden, started to bog between (about) 1/8 and 3/4 throttle. Same temp, same riding area, no new mods..... It bogged till about 3/4 throttle when the powerband kicked in. I played with the air screws, but that did nothing. I switched out the 27.5 pilots, put the 25's back in, and adjusted the air screws again. The bike ran great. It doesnt make sence(to me). I read over the jetting FAQ again, and it sounds like i should lean out the needle(i'm on the 2nd from the top now), put the 27.5's back in, and adjust the air screws. Just looking for others opinions.. my mods...noss head(19 or 20 domes), K-n-N, fatties, V-force reeds, 320 mains, 2100 feet above sea level, and 60F out 320074[/snapback] If it likes the stock pilots then stay w/ the stock pilots. I've never seen a shee run better w/ larger pilots on fmf pipes w/ no other mods..but thats around here. Others claim otherwise, but who cares what others say, listen to your shee, shee'll tell you..I've always found stock pilots and richen the needles work better on fmf's.. Quote
Otis Posted February 21, 2005 Author Report Posted February 21, 2005 (edited) If it likes the stock pilots then stay w/ the stock pilots. I've never seen a shee run better w/ larger pilots on fmf pipes w/ no other mods..but thats around here. Others claim otherwise, but who cares what others say, listen to your shee, shee'll tell you..I've always found stock pilots and richen the needles work better on fmf's.. Thanks Banchetta! i put the 25's back in and richened up the needle... sooo much better.. Edited February 21, 2005 by Otis Quote
locogato11283 Posted February 21, 2005 Report Posted February 21, 2005 i agree with banchetta. ive run my bikes before with stock pilots and all kinds of mods. bigger pilots arent always necessary. if its running good leave it. Quote
rocketboy Posted February 22, 2005 Report Posted February 22, 2005 speaking of pilot jetting i dont know why these companys push the 30 pilots so much seems alot the aftermarket jet co. and engine builders all recommend the 30 pilots ,ive jetted lots of freinds shes and my own as well and ive never personally seen where a she runs any better. 27.5 or stock seems to be plenty of fuel /air in the slow circuit on stock carbs. Quote
Banchetta Posted February 24, 2005 Report Posted February 24, 2005 Its all those computer simulators that tell them their suggestions, not real world testing.... Quote
Yamaholic in va. Posted February 28, 2005 Report Posted February 28, 2005 [Also check your compression, if you get low (about 15 psi below your fresh rebuild you will experience a lean condition) or missing. It may seem like a jet issue....] Quote
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