Thanks deacon, I was wondering about how much displacement was enough. 33cc is enough then thats great. The larger stuff is a bit more expensive.

I have been keeping a close eye on your project, because I have been wanting to do the same thing. I also share the same concerns for the front wheel drive, but I think it might be unlikely to throw you forward because of the wheel spinning away from the forks when the bike is moving forward. I was also wondering how the steering might be affected by the extra weight.

Finding an engine thats adequate for a front wheel drive set up might be the hardest part though.

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