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I built a go kart and am putting a 6.5 hp motor on it from harbor freight. I am getting an 11 tooth clutch 35 chain. It has 18 inch tires (8 inches wide) I want plenty of torque. Top speed maybe 20 mph. What size sprocket will I need to achieve this? This kart is full size and built from sch...

Thanks for the useful information. I think I had it up to 30 at one point trying to find the right setting. You may just have saved my life.

I recently purchased an oxy acetylene torch kit. I have played around with it a bit and can get the job done but I have some ugly cuts. I don't think I have the regulated pressure set properly. Can someone tell me how many lbs or Kpa I should be using for the oxygen and acetylene?

What if I were too drill small holes in the shaft where the set screws go. Screw the setscrews into the holes on the shaft? It's only a 3.5 hp. but it seems to me that this would be a high torque spot and my thinking says it would tare those little set screws up.

yes it does and it is still attached Never thought about that.

I have a 13 horse honda motor that I had on a cart built for speed. It ran great on strait a ways but when I turned really sharp the motor died. I put it on another cart geared way down. I wanted it for torque. When I am doing donies, it dies on me. What is causing this?

Check out www.mfgsupply.com They are reasonably priced, fast shipping, and $6.99 flat rate shipping on whatever you ordered. It's about the only place I buy from.

OH MAN!! MY CLUTH IS BI!! THE CHAIN IS SWINGIN' BOTH WAYS LOL Thanks for all your help guys. This makes my application much easier.

I have a torque converter on my kart and top speed is 43. It is 4.2 to 1 ratio with 20 inch tires. It works great for a very short time. You will be going through belts like water and they are not cheap. $27 for mine. Because of my tire size I am going with a bigger axle sprocket to save my...

Sorry souperman. I was trying to do this from my NOT smart phone. I accidentally entered it before I was finished.

I have a hillyard extreme duty centrifugal clutch 1" bore. I had to put a new engine on the kart and the new engine has a longer bushing on the shaft. It wont let me push the clutch in as far as the other engine did. So now my jackshaft setup will not work unless I put the clutch sprocket...

I am going to redesign my current setup which has no torque. I want to have a top speed of about 25 to 30 mph. I have a 17 tooth clutch sprocket and 18 inch tires. It will be powered by an 8 horse briggs. This is all new to the kart. I want to put a 40 tooth jackshaft sprocket coming from my...

I bought a honda 160 gc engine at a flea market. It looked brand new and i paid 40 bucks for it. I put it on a kart and it started right up. Ran beautifully. But it was like it wasn't revving all the way up so I temporarily bypassed the governor. It hardly moved on flat pavement. I think...

And that will make gearing super simple cuz I can just switch my engine sprocket to play with the gearing.

I never thought about putting the clutch on the jackshaft. That's brilliant. Will the 3\4 bore clutch hold up to the 8 hp motor?

Does anybody have a good site for sprocket weldment hubs?

The site I bought it from said it would work with a 13 HP but I guess I got the shaft. Well, I have a couple of 8 HP engines laying around. I think I will put it on another cart and use a jackshaft on this one. I have an 18 tooth clutch and with the big tires I have it will take a pretty...

I have a 13 Horse Honda motor pushing a tav 2-100 torque a verter. It goes through belts like water. It has a 12 tooth jackshaft sprocket and a 60 tooth axle sprocket. Tires are 19 inches tall. Am I too high geared? Is that why I am tearing my belts up? The driver and the driven are lined...

If at first you don't succeed "tap" it a little harder :oops:

Sounds like to me you already have the keystock on the clutch. If so just slide it into the keyway, tighten your setscrew and your good to go. If not cut off a chunk, pound it in the keyway, set your setscrew and on your way.