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Italian Rider, Japanese Bike, American Tip!!

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Hi All,

I own an XR400 which has the following mods:

- Wiseco 10.5:1 cr piston (not overbore kit, still 400cc)

- Unifilter ari filter and open cage

- Racing Project exahust (www.racingproject.com - amazing custom built exahusts)

- Arrow special parts header pipe (sligtly wider diameter than stock)

I just purchased a Mikuni Pumper carb (TM36-50) from XrsOnly, which is jetted at 130main and 15pilot.

What do you think would be the ideal jetting for my setup? Would the stock 130-15 be too lean?

Thanks a lot

Ed. :thumbsup:

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