I have a 460cc vegas karts motor with a billet flywheel on it wont trun past 4800 rpms? but with stock flywheel it will turn 5500 which is what the cams stops at
All good suggestions. Also, when running most aftermarket performance flywheels, you need more coil to magnet gap. The aftermarket performance wheels have much stronger magnets and sometimes damage the stock coil if set too close. Gap can be set as high as .060 (or even more) for optimal performance. Good luck.