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jetting

  1. Carburetor Hell

    Suzuki LT250
    I have a 86Lt250r looking to upgrade my carb. I want a decent performance carburetor for some bottom end power. Running a full fmf exhaust system. Considering buying this mikuni http://www.amazon.com/Mikuni-Series-Slide-Carburetor-TM34-2/dp/B000GV2D7G Any suggestions? Will this carb fit and...
  2. 87 Banshee Jetting Help

    Yamaha Banshee
    Hi there new to the site i have an 1987 banshee thats bone stock and i bought toomey T5 pipes for it along with a k&n filter and TDR Reeds and i was wondering what jets i should buy or what size works the best for this set up also how much power will this add to the machine. please leave a list...
  3. Powerband Issues, looking for some input.

    Suzuki LT500
    Just moved from San Diego CA to the mountains of Northeast Pennsylvania. I built my LT while i was in CA never really messed with the jetting at all but it was tuned perfect for Glamis. Now that im up in 2000ft elevation my powerband is gone. It bogs out when my powerband is sapposed to kick in...
  4. New Banshee Owner

    Introductions
    Love two strokes. Got a banshee with a blown top end got the cylinders bored to 66MM, need some suggestions on where to start with jetting the stock carbs. Has FMF fatty pipes and Powercore 2 silencers with a K&N filter. Im at 500FT elevation. Is a dyno jet kit the way to go?
  5. 39 keihin pwk jetting?

    Suzuki LT250
    I just bought a 39mm pwk carb bored out to a 40.5mm, I need to get it jetted for my bike (less than 1000 ft sea level) Mod list (1985 lt250r): 1.5mm over piston, port and polish, no air box, uni air filter, stock reeds, fmf silencer with stock fatty. The jetting right now is 48 pilot and 165...
  6. jetting my R

    Honda TRX 250R
    i just bought a 250r with alot of aftermarket parts. i think it is jetted way too lean. guy said it was now a 265... for performance parts i can see it has... FMF fatty w/ power core v-force reeds K&N pro-design cool head keihin carb... says pj on it..not sure what size that would be has 148...
  7. banshee 2:1 Single Carb setup

    Yamaha Banshee
    I am running a Single carb on my Banshee, its the Graydon 2:1 kit with 35mm keihin carb. I was wondering if anyone else is running the single carb setup and what size jets you are using for your Main and Pilot jets? I just completed rebuilding the Motor and im running really rich. I just started...
  8. 10mil 521cc Case Trenching?

    Yamaha Banshee
    Do I need to have my engine case modded for the 10 mil... i'm using 33mm keihin carbs on a 10 mil cheetah kit, noss head with 72mm pistons from cascadeinnovations.com.. making it a 521cc motor.. what i wanted to know is.. what kind of jets should I use ( i'm on sea level)..with all these new...
  9. please help ....jetting specs

    Yamaha Banshee
    I have a banshee with a 4mm 5mm long rod stroker kit with spacer plate 4 dergree timing key t5 pipe kit boss racing intake with no boost bottle stock head 36mm pj kenin carbs I run 110 race gas nology coil v force 3 reeds 3/8 reed spacers miner port job nothing big I just cleaned them up a...
  10. Jetting suggestions needed......

    Honda Other
    Sup every one..... I need a little help. Any case I am have a trx 300 with a 86 cr 250 motor. I am using the stock cr carb and the trx air box (open) I got it to run and it vomited black ooze... I did some research and i found out that the temp in the expansion pipe is not right... I'm stuck...
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