I have a 2010 yamaha drive. I installed a rebuilt high speed motor, but the rest of the cart is stock. As of now im at 21 mph. Wanting 5-7 more mph, I'm thinking controller upgrade. 3 questions: 1-will an upgraded controller/solenoid/cables increase speed? 2-some re-wound motors say they are for stock moric controller only, so will an upgraded control burn my motor up? 3- if yes on controller for speed increase, alltrax xct 48400 vs 48500 for mph? Thanks!
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