Originally Posted by reenmachine
IIRC the Mi2's internal ratio is 1.8 so your gearing would put you at an FDR of about 4.27. You should probably be somewhere between 4.5-4.7, and that will bring your temps down. Put a 32 or 33 tooth pinion on there and try that.
ONLY if he is using a 20T pulley version....(which I agreed with you, he is overgeared)....go use a 33T pinion and temp again. You don't want to get to 34T unless you have some major cooling to the motor and speedo. (which are the options for him to try)
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