Kartstuffer,
I had this problem on my 7.5 gen2 and RS Pro. I swapped in the sensor board from my Gen2 5.5 and it all went away. I'd say try a new sensor board on the motor.
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Team Yokomo - YZ-2CAL3 | YZ-2DTM3 | YZ-4SF2 | YZ-2T | YZ-2DTM Worlds | YZ-2DTM x2 | YRX-12 x2
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10electric | Batley Buggy Club | YORCC | RHR | MB Models
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