Trying to identify old go-kart

JimD

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You are both correct, a series 20 can be inboard or outboard mounted but you have to specify which way you are going to mount it because the spring is wrapped in just the opposite direction. The correct way to mount a series 20 is with the ramps facing inboard towards the engine . If you want to mount it outboard then you MUST float the driven at least 3/8 to a 1/2" on the jackshaft so the pulley with remain lined up with the driver on the engine which cannot move. We sold them both ways and that is why they are marked inboard mount or outboard mount because it would make a difference. The problem with float the driven everyone thinks a wet lube is good be it oil or grease. Not in this case they attract "sh_t" which will quickly eliminate the float. That is why a dry moly lube was sold by Comet and Max-Torque. The driver and the driven require a dry lube. Nothing screws them up quicker than oil or grease.
 
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I've got a really similar unknown model carter but it's a 1 seater. it has the same engine and jackshaft setup. It came with a belt drive centrifugal clutch but i have since swapped to a torque converter. The only model info on it is the second half of a vin number.
 

impala3525

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Yep It's definitely a Comet 20 series driven. Are yall saying I can take it apart to correct the alignment.

IMG-20230505-181859.jpg

IMG-20230505-181815.jpg
 
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impala3525

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When you say squared up is there a way to move the driven over??

Also the engine can only slide forwards or backwards.

when you say float the driven what exactly do you mean?
 

Denny

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I can see it is installed like in the direction it is supposed to be. You may be able to shim it over some on the shaft to correct alignment. You also may be able to shim the driven over also. Pieces of tubing, pipe, or big washers are your friends.
 

bigjake

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I think I see another problem but fixable
Looks like the jackshaft is adjustable
How does your sprockets line up gonna have to look from the bottom I'm betting that the sprockets are off about the same as the belt is because it had to be right once in its life
Look at the second picture you posted the one of the sticker their is 4 bolts looks like they are crooked
Might be as simple as loosening them up and moving it where it needs to be it's like they pulled it back to tighten chain but ended up being crooked and binding the belt

Please correct me if I'm wrong I'm here to learn to or tell me go back to bed either way
 

JimD

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Box both pieces and ship it to Max-Torque and I will fix it before you wreck the driven unit. The Driver needs a bushing and I will give you some shim washers to correct the alignment. The guy screwed it up when he tried to use a cheap *** “V” belt.
Then give me two measurements. Push the engine as far forward and the jackshaft as far back as the will go and tell me center to center of the two shafts. Then do just the opposite and push them as close as you can so I know what belt will work best.
 

BrownStainRacing

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Box both pieces and ship it to Max-Torque and I will fix it before you wreck the driven unit. The Driver needs a bushing and I will give you some shim washers to correct the alignment. The guy screwed it up when he tried to use a cheap *** “V” belt.
Then give me two measurements. Push the engine as far forward and the jackshaft as far back as the will go and tell me center to center of the two shafts. Then do just the opposite and push them as close as you can so I know what belt will work best.
For gods sake take Jim’s help! I’m begging you! He has made you a fantastic offer! I wish I had something with a 20 series on it to send him, but he didn’t make me the offer and I don’t have one!

😆 🤣 😂
I'm looking on market place now for a used 20 series, jus so I can send it to jim. 😆 🤣 😂 😹 😆
 

bigjake

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I gave one away came on a streaker I got few years ago got 2 chassis for it guy was gonna junk so I gave him the 20 thinking I needed atleist a 30 to turn 22 inch tires
 

impala3525

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I was able to adjust the jack shaft now the pulley lines up pretty close to the driver. I took the clutch apart and cleaned it the bushing was in pretty good shape. Tried removing as much rust as possible and the driven also has a blue spring. Im going to be ordering a 20 series belt and get back with you guys.
 

JimD

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Here is what a 7" driven looks like for an INBOARD and OUTBOARD. You want as much of the casting on the wear ramp as possible for long life. It can be adjusted to make further contact with a washer that we put under the snap ring. The casting by Max-Torque (TOP AND BOTTOM) that hold the wear ramp is a zinc die cast while the one used by Comet was a sand cast that needed machining after it was cast while a die cast is done when it comes out of the die. Another fact for you is this second ramp on a Comet that the casting is not touch is a spare for you to use when the other side wears out. The side opposite the one being used is a spare ramp since it will never make contact with the ramp. Both Comet and Max-Torque made the two different spring for the driven unit and many time people would order the wrong spring and then it wouldn't work correctly. Save the picture because this is an easy way to identify an Inboard mount Series 20 or an outboard mount Series 30. Max-Torque only made a series 20 this time around, back in the 60's we did make a series 30 but Comet did come out with a better design and ours was retired.

Impala, I could not see any bushing in the driver in your original picture. I think when the guy switch to the "V" belt he probably tossed it so the driver floating sheave would move further in to put pressure on the "V" belt. You missed a golden opportunity to have your unit look as good as these because my glass bead blaster was just looking for something to keep it busy. I love before and after pictures.

T/C 101 lesson #2
 

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