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Always look for the positive, now the 3/16 key with fit easily in the 5mm keyway on the crankshaft. But trying to get the key that comes with the engine into the clutch that is a BIG PROBLEM. But they have been warned but we learn from our mistakes so there should be a lot of genius in the...

But the other question hinted at is what is the crankshaft for sure --is it 3/4" (.750) or is it 20mm (.787) Only the magic hammer can tell how easy it was to slide the clutch or torque converter on the crankshaft. The hammer can get it on but what do you use to get it off? I sure saw a lot...

We all would like to see what size tires are on the kart because that will tell us if a clutch will work or not. Large tires are for t/c not a clutch. Also the gear you have right now on the clutch you bought is wrong. 6 x the # of teeth on the clutch would tell you the size of the rear...

It will not work because it cannot spin fast enough to throw the shoes out and lock them to the drum. Even if you took out the spring there isn't enough centrifugal force to lock up the clutch it would slip and turn red hot and you would be able to cook your dinner in the clutch drum. Looks...

Ezcome-Ezgo will have to help you out there, that was from his file.

You are correct, the clip is for centering the band on the brake drum and is not really needed especially if the brake drum is flush against the sprocket. Just look at the above picture and put in your band the same way. You should have a strong return spring to return the pedal to a neutral...

Just another 2 cents advice. Tire needs replacement since it has dry rot showing in your picture and while you have everything apart right now would be a good time to put an new one on. Your spacing looks good that you have from the sprocket to the tire. Measure the distance from the top of...

Very old snow throwers used a clutch, made in the 70's & early 80's but they quickly got away from a clutch and used a tensioner system because of liability. This forced you to have your hand on the lever that would either propel the machine or turn the auger. Seems like men don't read...

Christina-- did I miss the pictures of your shop?? Looking forward to see an organized shop. In your travels if you get up to Illinois you can get some cut offs for you next 20 projects. Since they don't pay much for scrap these days I just give them to people that can use it when they drop...

I just want to hear the clutch fit perfectly and works just the way you wanted. That is what is missing in modern karting is the ingenuity that the old kart racers had to make things faster and better than the next guy. The young people just don't "tinker" with things and try and figure out...

Sparkwizard -- let me know what you have and I will try and help you out. At 81 everyday is a gift. I come to work to hide from my wife. She can always find jobs for me to do but I can only hide here so long before my daughter cannot take me giving stuff away. When I go to vintage kart races...

You just haven't bought the bigger hammer yet. I have seen where they tried pounding them on and then tell me the drum doesn't spin and the clutch is defective. There are a lot of dumb asses out there and it is never their fault.

Max-Torque will build you the clutch but it has to be held on with a bolt and washer because the clutch will be 2 pieces. Shoe assembly and a drum and sprocket. The sleeve holding the two pieces together is no longer there. The other thing we need to do is make the keyway bigger because they...

A picture of the side of the engine with the clutch or torque converter would also be a big help. Old gas in the tank is another possible problem since you had to clean up the carb I hope you clean out the gas tank and dumped all the old fuel.

Going with a tire size that is around or very close to 13" diameter it will work fine. Then you can retire the jackshaft but keep it around for the next project. You will have about 2" of clearance under your axle sprocket.

I would have left the jackshaft on because you have the opportunity to have more adjustments by just changing some sprockets to increase or decrease speed. Getting an axle sprocket off can be a real challenge. Also the smaller sprockets on the jackshaft are a lot cheaper. Those large tires...

I looked at your pictures again and saw the black chain just after the master link has #420 which is prestretched #41 chain which was what most kart manufacturers used. Counting the teeth by YOU isn't that hard. Clean off each of the sprockets with some gas so you can mark a tooth with a...

Look on the chain links and tell me if it is #41, #420, #40 or what you don't want is #428. All four of these chains are 1/2" pitch. Tell me how many teeth are on the other sprockets the 10 tooth on the T/C is going to???, then the next chain on the same shaft that the T/C went to has how...

With those tires you definitely need the torque converter. The good news is you didn't pay much for the china clutch on it now but even a Max-Torque would not have held up. The Subaru engine is a damn good engine, right up there with a Honda. Once you put the series 30 t/c on it will handle...

Denny is saying a clutch would only work if the rear sprocket on the axle had 60 teeth and the tires were no bigger than 12.5" in diameter. Anything bigger than that your gear ratio would not turn the rear axle unless you lived on the top of the hill and never had to go back up to the top...