First thought...I don't think you've posted the motor spec correctly. The 207kW rating makes sense; that's the equivalent of 277 horsepower, which seems in the ballpark (if a little aggressive) to reach the top speeds you've indicated. But what's with the 103kWh? kWh is a total energy number and doesn't make any sense for a motor...it's a number you use for a battery pack to indicate its capacity.
Speaking of battery capacity, you've run head-on into the problem high-performance EVs run into. 104kWh is a LOT, though maybe in the ballpark for the kind of performance you've indicated for 40 miles. But for reference, the biggest battery Zero puts in their machines (not including the auxiliary "power tank" battery) is 13.0kWh, and that weighs somewhere around 140 lbs (63kg). Scaling that up by a factor of 8 gets you where you need to be in terms of capacity, but puts you at 1120 lbs (508kg) for the battery alone...not gonna work. For another reference point, Tesla just came out a few months ago with the largest battery pack they've ever put in a car, at 100kWh. I don't know how heavy that is off the top of my head, but it's far too big to squeeze into a motorcycle chassis.
First, check your calculations carefully. Mugen has won the last three TT Zeros at better than the 110mph average you want, and though I don't know the capacity of their battery (not too much information is available as the design is proprietary), I do know they don't have 1120 pounds of batteries on their bike. Second, you should be able to exceed 90% efficiency on your motor controller, with 95% as a reasonable goal. Third....good luck. Racing vehicles are voracious in their consumption of energy, which is pretty much the biggest weakness EVs have with current technology.
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