Since it is a two cycle engine you can probably double the horsepower with very little expenditure of money. Altered port timing, mild compression boost (don't get carried away here or the primary compression--on top of the piston--will overpower the secondary compression--in the crankcase--and fuel/airmixture won't flow through the transfers as well) and an expansion chamber should make a world of difference.
Canoe (dukenukem)
Here's a bike built by a guy on another forum that I frequent.
Since his name is "Hough", he calls his bike "Houghmade"
More info on the bike ~HERE~
I'm reconsidering this with my 11yo huffy. My only concern is any form of registration/ insurance it would need
under 50cc = no need as I understand it...
the kit i'm looking at is 66(?)cc
just dont get caught is the best I can think of
doubt the cop is going to pull it apart to check ;-)...
I should put one on a 24" bmx bike.
Taiden wrote: I should put one on a 24" bmx bike.
that I would love to watch
We just built one to use as a pit bike.
We just built one to use as a pit bike.
For a few mor pictures go here.
me too
Thread Resurrection! 
http://blog.makezine.com/archive/2010/05/erics_motorized_bike_conversion.html
HL - 
some guy at Road America last summer had one of those granny tricycles with a motor and a large basket. really cool.
You guys are all a bunch of wimps....
http://www.youtube.com/watch?v=O3V5qbVbNLM
^^^^What an absolute nutter.
That's awesome!
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