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Showing content with the highest reputation on 07/28/2020 in all areas

  1. 1 point
    There's no real magical cubes = jet sizing formula. Given that every motor is a bit different with it's own personality you just have to do some trial and error. Seat testing, plug chops. To really tune it just takes a bit of time and testing. Take into account type of exhaust, air filter type, airbox or not, elevation, fuel type, pilot and main jet setting, needle clip position, fuel screw position. I did some google searches and a few people have asked the same on some Yamaha specific forums, so maybe you can find something to get you close.
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