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When I was a kid I made a trike go-cart with bicycle wheels and a typical go-cart drivetrain consisting of centrifugal clutch and chain, direct with no jackshaft. I had a driven sprocket welded right to the bicycle sprocket on the old "Mattatuck" coaster brake hub which survived the 2hp B&S "N" and the 3 1/2hp Tecumseh, but the hub split under the mighty 5hp B&S' torque.
I think these days I'd like to go with belt drive- built in rubber cushioning AND no fooling around with messy lubes.
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