Keyser Soze Posted April 11, 2009 Report Posted April 11, 2009 Picked them up a week ago for $60 bucks. Figured they would need a rebuild but they are in good shape. The guy I bought them from only told me they were on a piped banshee. Stock piolet 320 mains, 1 clip up. I tried them on my banshee today with that jetting and im very impressed with the carbs. Bike seems to rev faster, but it does not want to stay in the power band like it used to. A lot of shifting, doesnt backfire or cut out or anything just like the the powerband shrank. Could this be a jetting issue? I figured I would have more top end? My relavent mods are as follows Trail ported K and N pods +4 timing FMF fattys Is 320 a good starting point? I couldnt tell if it was lean or rich...plugs were black but 320 seems small for my mods....thanks in advance. Quote
mopar1rules Posted April 12, 2009 Report Posted April 12, 2009 IMO, the mains are a little small. try 340's. also, try contacting Snope on here, as he has ran those carbs, and has the setup needed. you might have the wrong needles, as i know he changes those. Quote
fastrthnu Posted April 12, 2009 Report Posted April 12, 2009 IMO, the mains are a little small. try 340's. also, try contacting Snope on here, as he has ran those carbs, and has the setup needed. you might have the wrong needles, as i know he changes those. If you dont like those carbs, let me know. I sold mine and wish I didnt. Quote
bode1 Posted April 12, 2009 Report Posted April 12, 2009 If you dont like those carbs, let me know. I sold mine and wish I didnt. How did you have yours set up and what were your Mods when you ran them? Have not had a chance to mess with the set I got yet. Quote
fastrthnu Posted April 12, 2009 Report Posted April 12, 2009 How did you have yours set up and what were your Mods when you ran them? Have not had a chance to mess with the set I got yet. they where to small for my motor although it still ran very srong. 27.5/370 jetting rockets passion 12 port +4 mill milled head sea level k&n open box 2 stage carbon fiber reeds. 385cc`s Quote
Keyser Soze Posted April 12, 2009 Author Report Posted April 12, 2009 Wow 370....320 seems really small. With my porting...fmf fattys...and pods...maybe 350 is a good starting point? Quote
Snopczynski Posted April 12, 2009 Report Posted April 12, 2009 Slide: 2.5 Needle: 5L1 2nd from top Pilot jet: 30 Main jet: around 380-390 Float height: 22mm Nozzle: 175 (P4) Air screw: 2-2.5 turns out Needle seat: 2.5 Quote
Keyser Soze Posted April 12, 2009 Author Report Posted April 12, 2009 Awesome..ill go from there....you know of a good place to get jets cheap? Quote
rubberneck Posted April 12, 2009 Report Posted April 12, 2009 In your part of the country, i'd call Jeff at FAST for jets, he stocks them. Quote
Yaxy Posted April 16, 2009 Report Posted April 16, 2009 The 28MM TM flatslides are great carbs. You should have excellent low end and great pull through the RPM range. I run pretty close the same set up you are running except for I use the airbox. On my: Shee I run 20 pilots and 300 mains with FMF's RZshee I run 20 pilots, a different needle jet, and 340 mains with Rockets. Maintain your jetting checks and see what works best. Chris Quote
fastrthnu Posted April 17, 2009 Report Posted April 17, 2009 wow 380-390 is pretty damn big. thats what I was going to use with a 30mm and pods. and 30 pilot seems big too. Id run a 27.5 where Im at, but thats my opinion. I get my jets for jet r us or local shop for ike 2-2.50 ea or somethin like that. Quote
Snopczynski Posted April 17, 2009 Report Posted April 17, 2009 wow 380-390 is pretty damn big. thats what I was going to use with a 30mm and pods. and 30 pilot seems big too. Id run a 27.5 where Im at, but thats my opinion. I get my jets for jet r us or local shop for ike 2-2.50 ea or somethin like that. The setup I listed is what I run with my mods, which are pretty close to his mods. Quote
Wildcardracing Posted April 17, 2009 Report Posted April 17, 2009 380-390 mains??? I was running 340 mains at sea level on an aggresive dune port with CPI's, so 380's on a trail port with Pro-Circuits is HUGE! Quote
Snopczynski Posted April 17, 2009 Report Posted April 17, 2009 Dont know what to tell ya. We have 3 bikes running those carbs, all are jetted about the same, and all have been ran on the dyno too. They are setup where they make the most hp, and then fine tuned for the best pull out on the sand. Quote
Snopczynski Posted April 17, 2009 Report Posted April 17, 2009 Dont know what to tell ya. We have 3 bikes running those carbs, all are jetted about the same, and all have been ran on the dyno too. They are setup where they make the most hp, and then fine tuned for the best pull out on the sand. I also used to Run a JD Racing Ported 350 with FMF Gold Series Pipes on bored stock carbs at 390-400 main jets in them. 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.