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Old 08-21-2008 | 11:29 PM
  #21  
billzair
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From: algonquin, IL
Default RE: Lets do a 40cc ryobi conversion!
The engine has two piston rings and the piston is domed. I am almost done with the prop hub and will post more pics soon. I took the whole engine apart and the crank is beefy. If it were thinner we cound get the block down to 1.5 lbs...
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