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Protec is no longer offering a rev limit mod to the 1100 63m from yamaha. Does anyone have the info on doing this mod myself ? Im very mechanically and elctrically inclined but never done a cdi mod. Just looking for some direction, search isnt coming up with much and ocd solutions is not...

When going from a 144 pump to a 148 pump, is there a general rule for pitch changes. Based off same motor, only changing from an oe 144 pump to a 148 non setback.