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    Apex with MPI supercahrger Air Fuel Ratio

    I have recently purchased a 2007 Yamaha Apex with a MPI supercharger and GEMS controller. Just wondering what I should be trying to get for an air/fuel ratio and that would be dangerous lean or rich. Ive taken it out once so far and was averaging about 14.7 it would go above 15 and drop to 13...
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    MPI OIL Reservoir

    Mine is falling apart as well. Are you guys just welding it back together?


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