01bansheefox Posted April 18, 2004 Report Posted April 18, 2004 I have fmf sst pipes and run 290 jets. If i stick my stock pipes back on can i keep the same jets? Or do i need to go back down to 260 i think they were. Quote
sredish Posted April 19, 2004 Report Posted April 19, 2004 I have fmf sst pipes and run 290 jets. If i stick my stock pipes back on can i keep the same jets? Or do i need to go back down to 260 i think they were. you'll have to rejet it back down like before or you'll be super rich. Quote
@@banshee_rider@@ Posted April 20, 2004 Report Posted April 20, 2004 290 is too rich and even 260 s rich if you don't have any k&n filter or a removed lid or the air box. i would say go to 200 or 210 it depend in your evaluation. when i was stock i was running 200. Quote
Banchetta Posted April 22, 2004 Report Posted April 22, 2004 290 is too rich and even 260 s rich if you don't have any k&n filter or a removed lid or the air box. i would say go to 200 or 210 it depend in your evaluation.when i was stock i was running 200. I would be careful about recommending that low of a main....You'll feel sorry if he blows his motor up because of lean jetting......I rode in California and had to bump up my jetting 5 sizes on the mains...Both areas are at sea level... Quote
@@banshee_rider@@ Posted April 22, 2004 Report Posted April 22, 2004 290 is too rich and even 260 s rich if you don't have any k&n filter or a removed lid or the air box. i would say go to 200 or 210 it depend in your evaluation.when i was stock i was running 200. I would be careful about recommending that low of a main....You'll feel sorry if he blows his motor up because of lean jetting......I rode in California and had to bump up my jetting 5 sizes on the mains...Both areas are at sea level... thought that at first but that is the setting when you get a stock shee from the yamaha dealer withou any mods Quote
Banchetta Posted April 22, 2004 Report Posted April 22, 2004 oops.....good call.. I didn't reread the post...Good job! Quote
sredish Posted April 22, 2004 Report Posted April 22, 2004 (edited) 290 is too rich and even 260 s rich if you don't have any k&n filter or a removed lid or the air box. i would say go to 200 or 210 it depend in your evaluation.when i was stock i was running 200. I would be careful about recommending that low of a main....You'll feel sorry if he blows his motor up because of lean jetting......I rode in California and had to bump up my jetting 5 sizes on the mains...Both areas are at sea level... thought that at first but that is the setting when you get a stock shee from the yamaha dealer withou any mods the dealers are required to "prep" them upon delivery, which usually includes a jetting adjustment based on the area. Just imagine, a banshee sold in FL with a 260 main and then a banshee sold in N. Colorado, elevation 6,900 (my hometown) with a 260 main. These two would most certainly not run the same. Yes, Yamaha does use that as their "stock" configuration, but the actual stock main jet will vary depending on where it was bought. Edited April 22, 2004 by sredish Quote
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.