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  1. JimD

    CVT vs Centrifugal Clutch

    Good to know you got the corrected version. They had used the rack and pinion from their rider lawnmower which wasn't a very good idea but it did help to get rid of parts but go karts don't go the same speed as a rider lawnmower and they got manhandled entirely different. You have the better...
  2. JimD

    CVT vs Centrifugal Clutch

    Squiddy- Was at that plant many times and yes we provided the clutches used but the one on the kart is the china knock off. We also provided the series 20 t/c. Does your kart have the rack and pinion steering???
  3. JimD

    CVT vs Centrifugal Clutch

    The belt you have on there should be a BX33. The reason for the "X" in the letter means it is a cogged belt with teeth on the underside of the belt to help turn tight radius and have less slip. Yes, the kart will take a t/c fairly easy but there are other options and that is what you...
  4. JimD

    CVT vs Centrifugal Clutch

    I would wait until he gives some more picture of the side of the engine with the clutch on it now. There isn't a lot of room on that kart to put a t/c. Who is the manufacturer of the go kart? Is there any name on it? Carter brothers used a belt drive but the rear of their kart didn't look...
  5. JimD

    What type of clutch do I need?

    Hellion, I can do some things but making a 20mm CVT (driver) isn't one of them. The problem there is the 4 lobe piece that the driver slides on is heat treated (hard as wedding night -ick) and it has a built-in-key so there is NOTHING I can do about that piece. As one person pointed out it is...
  6. JimD

    Will a 3/4" clutch fit?

    Ok, now that we have been told it is a 20mm shaft and NOT a 3/4" crank, how about the other questions raised -- what is the keyway size? what is the drilled and tapped hole at the end of the crank and most important is it a 12 volt electric start or is it 110 with a long extension cord? We...
  7. JimD

    Will a 3/4" clutch fit?

    Qtband buy the engine and give us your review of what the crank size is and IF it is 20 mm let all of us know and if you can use a clutch (not a Torque converter) I will build you one that will work. Chain size your choice in #35 or #41, #420 or #40 I will broach it for a 5mm key once you...
  8. JimD

    Will a 3/4" clutch fit?

    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...
  9. JimD

    Will a 3/4" clutch fit?

    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...
  10. JimD

    What type of clutch do I need?

    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...
  11. JimD

    What type of clutch do I need?

    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...
  12. JimD

    Purpose of brake band clip?

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

    Purpose of brake band clip?

    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...
  14. JimD

    Need advice on six stud Manco drive wheel Setup

    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...
  15. JimD

    Attaching a pulley to a wheel for a 1wd go kart (belt drive)

    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...
  16. JimD

    I’m BACK!

    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...
  17. JimD

    Max-Torque Ⓒ

    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...
  18. JimD

    Max-Torque Ⓒ

    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...
  19. JimD

    20mm Crank

    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.
  20. JimD

    20mm Crank

    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...
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