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Just making it where you can see! Sometimes you post things and its tiny letters. This isn't one of those times

I have a go kart that is fairly big. Two adults can sit in it with a little squeeze. I'm replacing the power plant in it, was a 150cc motor and integral gear reduction and torque convertor. Lets say the kart with a rider(s) weighs 800 lbs to be safe. Power plant will be a tuned up GX390...

I left the blind threaded hole in the bottom in case I needed to put a support. That expansion chamber only weighs maybe 12 ounces its really light. I'll see what I can do for a support though.

Updated UPDATED Well with the bigger tires I get some better ground clearance, but I thought I might add a skid plate for some sprocket protection though. Took a piece of 6 inch pipe and welded it and a piece of angle iron, upright, to our welding table with a gap just big enough to slide the...

Sound I think it sounds pretty good. Here is a link where you can hear it, they drive by and turn around and come back by again and around me. So you get a pretty good sound. YOUTUBE LINK

Every where I have read about drilling main jets has said get a numbered set from 60 to 81 or some where in that neighborhood. Here is an easy way to get those bits locally (normally). Go buy a Oxy-Acetylene tip drill bit kit. This kit comes with a small pin vise and bits from 52 to 74...

I've had a little go kart project going on for a while LINK and I've got all the frame work like I want it so now its time to tweak the engine and see what kinda of power we can get out of it. This thread is about building up the exhaust to allow some free flow of exhaust. Everyone says the...

It wouldn't take much to convert to propane. A Impco mixer, an ounce regulator, donut tank or small cylinder, battery powered fuel solenoids. The only general hazards I've had are on some engines if you have any kind of misfire on the intake stroke it tends to blow the air filter housing to...

62 tooth axle and a 10 tooth on the converter. The rear tires are 18" I believe. Looking at doing a custom little muffler for it and re-jet to get it running fat.

So this project started out with a friend of a friend that had a chinese gokart with a bad engine and some missing parts. So the initial investment was $50. But it had rear swing arm, rack and pinion steering, headlights, horn, independent front suspension. So over all a pretty good go kart. So...