Poor running
I have a yamaha g14 36 volt. I have converted it to 48volt. I have an alltrax controller, an electronic contactor for the f and r, 3 month old batteries, 2 gauge cables for every high current connection, stock 36volt motor with new brushes. It was working great for 3 months until this weekend it would barely pull 3 people and I dropped down to 47.2 volts. I load tested all he batts and none of them dropped below 8.1. All my connections are good and tight and no corrosion. Where do I start looking next? Thanks!
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