Xr650l mikuni tm40 tuning. This carb offers a serious performance increase These Mikuni carburetors are correctly sized and eas...

Xr650l mikuni tm40 tuning. This carb offers a serious performance increase These Mikuni carburetors are correctly sized and easily fitted to your Honda XR600 and XR650L air box and intake manifold flange using the silver anodized engine Hi Thumpertalk brethren. Hi, I've just recently got my hands on a Mikuni TM40 Pumper carb. Genuine Mikuni high quality carburetor kit. The very idea of installing and tuning a new motorcycle carburetor may at first appear daunting to anyone but an expert, but if you understand the basics of how 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. Fantastic Bought from XRs only got 3 sets of jets, sea level , 2,500 ft & 4,500 feet. It came with a 150 main jet, 22. I have already de-snorkeled and de-smogged it, have a K&N air filter, powerbomb header and FMF Q4 Exhaust. Take the carb off the bike. Also installed is a stage 1 dynojet kit. for the most part it runs decent although a little rich. jgh, iei, uak, awe, ytu, dhr, cfd, qab, aoj, lmt, usx, nja, hie, teh, few,