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  1. M

    Calculating speed

    Hi, I'm going to be creating a 49cc gas powered bike and I was wondering if you could go through the steps of how to calculate how fast I would be going mph. Here is my sinerio, but if you could tell me how to calculate the speed that would be great thanks... 49cc chinese 2 stroke motor Max...
  2. M

    Gearbox

    I've been confused lately on a 49cc engine that I'm going to buy on eBay and It had something called a gearbox transmition and I was wondering what does it do? Does it make a chain drive to belt? Give it more speed? Or is it just a price of crap metal? Thanks
  3. M

    gears?

    i want to get alot of speed...; sssssoooooo what would hapen if i put a big gear as the driver to a small gear like a 1/2 gear ratio???????????????
  4. M

    Dead axle it is!

    I have decided to use a dead axle for my dune buggy/go kart and I can't find a setup of how to put a dead axle together,and if I can put a dead axle go kart on dirt....?
  5. M

    Which?

    I've been looking at different axles for a go kart, witch is better,easier and cheaper a dead axle or a live axle,where can I find to buy?
  6. M

    2 stroke bike prob!

    I have had a friend weld a sprocket on to the shaft of my 2 stroke weed eater and it didn't weld straight so I tried to bend it hammered it a little(stupid me) because now the pull start won't pull the drive shaft to start it, instead (it can pull) makes a clicking noise when pulled. If there is...
  7. M

    Confused on axle?

    I am a newb at the world of go karts but good with engines and ect. But what confuses me the most is how to assemble the rear axle on a go kart welding it and everything. When I looked on YouTube on how to build a go kart the rear axle and the frame were attached through a hanger or bearings...
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