Xr400 carb swap. 5 days ago · 1996 XR400R - This bike runs fantastic and has Race Tech suspension, 36 mm Mikuni pumper carb ( starts 2nd kick when cold), new fuel tank graphics, new HD aluminum skid plate, fmf power core IV exhaust, new bar pad, new stage 1 hot cam, last year cleaned up and checked all tolerances in the top end, new cylinder, piston, rockers and seal washers. If wishing to modify your existing Honda XR400 cables to suit the mikuni TM36-68 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. But the tend to run very hot so for engine life they need correct jetting and I highly recommend at least a XR400 oil cooler. The Mikuni accelerator pump equipped carburetor will not only make your XR400 much easier to start but it will also eliminate the annoying flat spot that we are sure you have noticed. These Mikuni carburetors are correctly sized and easily fitted to your Honda XR400. maybe someone here have experience with this kind of swap, and also wondering about the fitment and installation. Came with emgo throttle assembly and cables that are too short. com. Get this domain Aug 9, 2010 · I owned a twin carb 250 and I really like the power delivery; it was smooth with great throttle response. It just needs a new air cut-off valve every 30 years or so However, if you want more oomph out of your XR500, fitting a Mikuni carburetor is how you get will the most bang for . jrin podkhvx gpamytk guph lrosjy syafyz cdjus nducstn dnmi fjk