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[Richard230]

The MIC (Motorcycle Industry Council) has developed a standardized method for testing electric motorcycle top speeds, so that direct comparisons can be made between various models (instead of various advertizing departments' guesses).  Read about it in this Ultimate Motorcycling article:  http://www.ultimatemotorcycling.com/2012/mic-electric-motorcycle-top-speed-test

I find this quote interesting, especially whom is being quoted:  Abe Askenazi (Chair of Electric Vehicle Subcommittee and Chief Technology Officer at Zero Motorcycles) says: "As more and more electric motorcycles appear on the market, having standards we can all agree on is vital to manufacturers and to our customers."The new top speed test procedure is just one of the many standards the subcommittee has already published or is working on."

[Richard230]

Here is a link to the MIC top speed testing document. What is interesting is that there are a lot of things to do to balance the batteries and to do other things to get the bikes ready for the testing so that they are all running to a particular standard, relative to their design. It isn't just a matter of taking the bikes out to a level runway and opening up the throttle.

http://www.mic.org/members/membership/mic_top_speed_test_procedure_for_electric_motorcycles_040412.pdf

[Richard230]

Here is the MIC procedure for determining electric motorcycle City riding range:

http://www.mic.org/downloads/MIC_EVCityRidingRangeTestProcedure_Rev042811.pdf

[Neal_Saiki]

I think the best way to estimate range is simply by using the battery pack capacity.  The efficiency of the motor/controller/drive doesn't vary that much.  Aerodynamics is probably the biggest variable.

Check out my thoughts on the subject:

http://www.ntsworks.com/Range.html

Neal