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2007 crf250x jetting
Posted: Mon Aug 18, 2008 6:04 pm
by 831sc
hi i just got my fmf ti powercore on my 2007 crf250x
i was wondering what kind of jets i should put in it? i ride at sea level too 2500 feet.
thanks nick
Posted: Mon Aug 18, 2008 6:47 pm
by Asmith
JD Jetting Kit.
http://www.crfsonly.com/catalog/product ... ts_id/1096
Red needle 5th clip, 162 main jet. Open up the intake with a Twin Air filter and lose the backfire screen.
Posted: Tue Aug 19, 2008 7:53 am
by 831sc
what is the red needle. and is the stock needle jet adjustable? when you say 5th clip do you mean from the bottom or the top. and where can i buy the red needle?
Posted: Wed Aug 20, 2008 6:36 pm
by corey_lax
when you buy the JD kit it comes with numerous pilot and mains.. and a blue needle and a red needle. for your elevation and temp you use the red needle. The clip is on the 5th from the top. I think all the jd kits come with it on that position.
The jd kit is definatly worth buying to get the needle and the assortment of jets. This way if you travel somewhere you can easily switch your jets. its well worth the money.
Posted: Wed Aug 20, 2008 6:38 pm
by corey_lax
o ya... and while you are working on the carb... you should switch the fuel screw to a CRF only fuel screw...