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Max speed 47mph opened wide up on flat road.

So far things are going, that 9hp has done pretty well I'm pushing near 40mph. 60 tooth sprocket, 20inch tire and rim with 12 tooth sprocket on clutch. So far I'm happy but waiting to see how long it will last

You guys dont think that 9hp will push that go kart? I knew I was losing reverse. The old motor is shot to crap, and I'm completely redoing this I hope this 9hp will work for what I'm doing. It does have front brakes ---------- Post added at 02:44 PM ---------- Previous post was at 02:44 PM...

So this go kart originally had a 150cc engine with reverse... can anyone tell me how this 9hp 270cc engine would be better for this? I dont understand the difference between the motors and one using gear drive. While the 270cc is using a 40 series torque converter.