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Old 06-15-2008 | 12:11 PM
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Tmoth4
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From: Northfield Center, OH
Default RE: B&S 40cc, 4-stroke recipe for success

Very interesting conversion, John. I have a 33cc B&S 4-stroke that I converted but I could not get it to run right with the stock carb. I didn't know you could use a butterfly carb on them. I have a couple of spares I might try out. How did you determine where to drill the pulse hole in the engine?

Jim