deathmetal5150 Posted February 18, 2005 Report Posted February 18, 2005 Got some questions in regards to jetting. I threw on a set of fmf powercore 2's the other day, gnarly headpipes.. The bike was sputtering and backfiring, so since i havent really jetting anything before, i took it down to a shop. They said they jetted it and such, i took it home. It ran for abotu 2 minutes and died right out. Wouldnt kick back over unless i put the choke back on. Put the choke back on started up on two kicks, took the choke off, minute later burbled and died out, seemed like it was starving for gas. Changed the plugs just for the hell of it, they were black as hell, and by the way, this bike NEVER fouled a plug with stock pipes. Put them in, started it up, ran for about 2 minutes, died right out, absolutely refused to turn over. Waited 5 mins, put the choke on, again...started up. I put it in the garage and am really upset right now. Ive done everything on the bike except jetting, so i dont think im going to take that bike back down there if they cant get it right the first time. I think personally its leaned out too far, what do you guys think? Quote
superchicken Posted February 18, 2005 Report Posted February 18, 2005 kinda sounds lean by the fact it only starts with the choke on.but it sounded rich before.you need to find out what jets they put in it and post them here. Quote
kw04 Posted February 18, 2005 Report Posted February 18, 2005 yea also with that inclide all the engine mods ands somebody will help you out. good luck Quote
richybanshee Posted February 18, 2005 Report Posted February 18, 2005 (edited) stock shee comes with: 190-200 mains and 25 pilots Take carbs out and let us know which size of mains are you running with. Also while you are there take the pilot jets out and check if the size is 25 or more. After that: 1. what altitude do you ride? 2. what temps around there, aproximation? 3. List all mods done to the bike. FMF recommends 260 mains, 30 pilots, with K&N filter and snorkle removed. FMF info: http://www.fmfracing.com/jetting_center.aspx Edited February 18, 2005 by richybanshee Quote
. Posted February 18, 2005 Report Posted February 18, 2005 when you do it, and it starts, give it some throttle and see if it dies out sooner than it does if you just let it idle. It might be sucking your bowls dry as well. You might want to run a line off your gas tank and see that the fuel is flowing well out of it. Definitely could be a jetting issue too if you took it to a dealer. Quote
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