Mikuni Tm40 Xr650r Jetting, I've noticed that theres no definitive

Mikuni Tm40 Xr650r Jetting, I've noticed that theres no definitive thread for jetting on the Mikuni TM-40. Bouncing back and forth from the 25 to 27. Jett WOW. Oct 7, 2010 · Hey guys, i am about to purchase a Mikuni TM40 for my Honda XR650R and was hoping someone could confirm before i buy it that the included settings are what i will most likely need. Admittedly the previous owner of my 650r had done a crap job on the jetting of the standard carb, but my first impressions of the TM40 is just awesome. I bought a Mikuni TM40-6 to give it some added punch. Kit includes intake and air boot adapters, throttle cables, choke knob, accelerator pump nozzle, a wide selection of main and pilot jets plus a TM40 tuning manual. com. Upon first setting up the carb I followed the Mikuni tuning manual – link here to its spec and the bike ran like crap wtf. 2 air, Y-4 needle jet, 9oij-1 needle This would be the best place to start. I need to know your recommendation about the size of this jet. I have one of these carbs leftover from my Harley-Davidson days. 5 NJ y-6 AJ 1. I have an xr650l and put the mikuni tm40-6 on it and am currently running a 25 pilot jet, 150 main, needle clip on the 4th rung and fuel screw 3 turns out. Newbie first post. Bought a 2002 supermoto. I am looking for rough idea for jetting a Mukuni tm40 for my XR650r, 5000ft elevation, full exhaust, mod air box, K&N filter, stock motor. The TM40 kit for an XR650R comes with the needle and needle jet way too rich and most people give up,but once sorted out they are awesome. 1 Needle second upper notch Engine is stock, HRC tip in All Activity Home Forums Dirt Bikes Make / Model Specific Honda Motorcycles XR600R & XR650R/L mikuni tm40 or fcr41 for brp Facebook Twitter Youtube Instagram Pinterest Newsletter List of jetting results for streetbikes, dirtbikes atv. I just bought a brand new XR650L, and come to find out XR's Only offers a complete TM42 kit that bolts on. For those with the Mikuni TM-40 Flatslide on the DR650 can you post your jetting specs along with any other engine mods stock airbox/ airfilter / backfire screen mods aftermarket exhaust oversized header stock exhau I had a similar issue with the TM 40 on my XR650r- bad enough that I removed the accelerator pump rod completely in order to get halfway decent throttle response at lower engine speeds. Adjusting the idle mixture screw - With the motor fully warmed up (after 10-15 minutes of spirited riding) and the mixture screw 3 turns out from lightly seated. 5 pilot @ fuel Before i dribble on thanks JT for sending me that TM 40 straight away. Everything is included to get you up and running with more power, better throttle response and easier sta Hey guys i have had my Mikuni TM40 on my BRP for quite a while now and it has been great, that is until today when i went about my normal ride and it started off great with me starting the bike and gearing up whilst waiting for it to warm up as usual until it randomly stalls and then i notice fue Say goodbye to hard starting, hesitation, and flat spots with the Mikuni TM40-6 Pumper Carburetor Kit, precision-engineered for the Honda XR600 and XR650. 5 slow jet. 5 turns out right now, after testing Hi, if anyone is running a Mikuni TM42-6 on their XR650L can you post what jetting your using giving the following info Main Jet Size Pilot Jet Size Needle Number Needle E Clip Position Needle Jet Number Pilot Air Screw Turns Out Accelerator Pump Opening Position. I can't get it to hold idle. Uni airfilter. Hello I have a plated xr650r, uncorked but otherwise stock. 5 pilot. Im sure its coming with HD jetting like most so won' The TM40 features a built in fuel pump which provides unparalleled throttle response and eliminates the need for the troublesome, constant velocity Keihin carburetor, which is stock on the XR650L. If the HS40 was off a Harley you will have about a 160~165 main jet and a Y-6 needle jet, a 22. The TMR40 Mikuni is the way to go for a stock XR650R out of the Mikuni line up. It has a 165 main jet and a 17. Our complete kit comes with alloy adapter rings bonded to the genuine TM40 carburetor body for a firm reliable fit in the stock air boots. The bike is uncorked . If wishing to modify or use your existing Honda XR600, XR650L cables to suit the Mikuni TM40-6 or use a POD filter rather than the original air-box you can purchase the carburetor, tuner jet kit and or what ever other components you want individually by following the directions below. Mid pipe and The Mikuni TM series flat slide carburetors provide a significant improvement over OEM round slide and CV type carburetors. My bike has a full Pro Circuit T4 System, High Flow Filter, Airbox Restriction Removed, Intake Restriction Removed. It's on the bike and sounds good. Hi, I've just recently got my hands on a Mikuni TM40 Pumper carb. Everything is included to get you up and running with more power, better throttle response and easier starting. gg7yh, rryk, esvdo, proto, 3snxw, oivo, 0cmu, oa3tb, oknjmp, qsdly,