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jetting

  1. DRZ400SM Europe DJ jetting

    Suzuki
    Hello all. I need some help with jetting my european DRZ400SM, my current configuration is as follows: - 3x3 mod, restricted solenoid valve, stock exhaust, Twin Air foam filter - Mikuni 36, Dynojet Stage 2 (3110.002 - U.S. only) - 150 MJ, DJ needle, 3rd clip, 3,5 turns out (22,5) I tried to...
  2. Keihin FCR issues

    Tech/Setups for Supermoto
    I've been in the process of setting up my FCR on my '15 XR650L and am having a heck of a time getting the bike to idle right and ride at low throttle inputs. Currently I have a 55 pilot jet and 85 pilot air jet (which is pretty big compared to other bikes with this setup) fuel screw ~3.5 turns...
  3. Ktm duke II LC4 jetting help

    Tech/Setups for Supermoto
    My issue lies on the trial and error involved in jetting my Duke II to the typical mods Bike details: *2000 ktm duke II lc4 640 Pre-high flow head (the black motor) Mod details: * Stock exhaust can mod baffles removed * Air box lid removed * elevation is approx 800 ft. * Main jet 180 (removed...
  4. Drz440 with 37mm FCR. PLEASE HELP!

    Suzuki
    As much as I would like to have a 39mm, I have more than exhausted my funds for my build :(. I got an FCR 37mm off of a 2008 CRF250R (for free :D). I'm running an athena 440 big bore, hotcams stage 2 intake and exhaust cams, mrd Pro-z pipe, and 3x3 mod. No idea how to jet this thing. Will this...
  5. Husqvarna SM610 - TC-Spec Cam Tuning

    Tech/Setups for Supermoto
    I recently installed a TC-Spec Cam into my 2007 SM610 At this stage it hasn't really blown my hair back, the bike pulls pretty smoothly to rev-limiter but it's not very angry. So I would appreciate any suggestions on how to get more out of my set-up... if even possible? Current Set Up: Main...
  6. 450X Wheelie Stutter

    Honda
    Dudes...getting a stutter when at constant throttle doing wheelies. Bike is jetted on the rich side to keep it cooler. Would this be caused by running too large of a pilot in there? It's less than 1/4 throttle so obviously not main jet. Accelerator Pump issues? Here is a video I made today. You...
  7. Jetting Basics (Very Informative, Long Read)

    Street Tarders
    I wanted to post this as I am having some jetting issues myself (see bottom of post if you wish to help) and have been doing a lot of reading. Hopefully this will help those that are in need of a re-jet. Originally posted by Skipper on the dirt rider forum: It seems that during my sabbatical...
  8. cv carb tuning question. please read!

    Tech/Setups for Supermoto
    Hey guys I'm pretty new here but I am in the process of perfecting the jetting on my bike. Here is my dilemma 4th gear top speed 70mph @9500-10000 rpm WOT 5 th gear top speed 70mph @8000-8500 rpmWOT Why will my bike not push out that extra 2000rpm's in 5th??
  9. jetting and PSI's

    Street Tarders
    I have an '07 DRZ SM With Yoshi and 3x3 airbox. It was sold to me this way. I rejetted from a 155 to 170 and am I ever stoked! I recommend this jetting. I am not noticing any flat spots and shes really throaty now. I went as wide as possible in the bake tires and threw on Avons and shes got the...
  10. yoshimura ti trc jetting

    Tech/Setups for Supermoto
    sup guys, i just put a full titanium yoshimura trc on my 07 drz400sm CA model. its runnin lean and im wonderin what size jets any of you recommend. i really don't wanna pay $70 for a kit. :headshake thankss
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