Cafe Racer/Tracker build in New Zealand

After years of looking at motorbikes, riding some, dreaming about owning or buiding one, I have finally settled on building a cafe racer/tracker style electric motorcycle. I've just bought a 1986 Honda CBX250 rolling frame and am currently investigating all electric components.

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Just a couple of corrections I needed to add:
The controller I bought is (not Kelly) Curtis PMC model 1204-412SU RATED at 48volts, 300 amps.
I think this is a good match with the GE brushed, motor.

AND I'd forgotten that this version of the KZ400 (1978) had a 6 speed gearbox. I just bought two new sprockets for the final drive; reduced the rear from 45 teeth to 43 so I'm thinking I can get up to highway speeds well enough.

Would still like to hear from anyone who can offer a suggestion for the gear ratio I might try at the DC motor - crankshaft.

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racermike39's picture


Well it's been about 3 weeks, and I haven't touched the bike for about 2 of the three. I finally had to stop neglecting all the other things I should be doing, so the bike has been back burnered for a while. I have completed the fabrication of the battery rack. Final welding still needs to be done.

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racermike39's picture


Well this is my third EV project. I was so encouraged by the results of the Kawasaki 4-wheeler conversion, that I knew a daily driven street vehicle was within reach. I sold my ICE race car last fall, and decided to devote the $ to an electrtic vehicle. I calculated and researched cars, and decided that a car at this time was not within reach financially. With permission from my wife, I decided on an electric motorcycle. I researched this forum, the Austin EV website and many other links to nail down the voltage, frame and bike size.

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