ORIGINAL: freerida69a
tonight i switched to 31/76 and it takes DAAAAYYYSSSSS to get to top speed and my exceleration is veeeeeeery slow!! is this normal....is 50 000 weight too much?
You changed the pinion/spur gear ratio from 5:1 to 2.5:1 and the acceleration is suffering by comparison? Hmm, wonder why that could be.

I think you'd better check your motor temperature.