Newbee Clutch Question

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canadales

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Hi, My grandson has a go cart and he blew the clutch. Went down to our local dealer of engines etc and purchased a new one. Put it on but takes time to engage as you step on the gas and after only a short time out like 3/4 minutes it is VERY hot.
Can anyone advise. Many thanks in advance.:thumbsup:
 
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solomon

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Clutch blew? And its not engaging for 3/4 of a minute!?!? Does the new clutch have the same number of teeth as the old one? Or was the old clutch a torque converter?
 
Doc Sprocket

Doc Sprocket

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Let"s start with the basics. Did the replacement clutch look similar to the old one? Did it have the same number of teeth? Was it a new unit? Had anything else changed or been messed with on the kart in the time period between the old clutch going and now?
 
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canadales

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Hey guy's many thanks for your comments.
The clutch was not quite the same as the original. There were no holes around the face of it for what I assume is for cooling. It has the same number of teeth on the sprocket and the same number of clutch pads. By the way I meant 3 to 4 minutes.
Thanks Canadales
 
Blazkowiez

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Have you recently removed your torque converter and decided to go clutch directly to the sprocket?

Have you changed your tire size or sprocket size on the drive wheel/axle?

Do you or the person who rides it typically drive slowly or up steep inclines, and or ride the gas and the brake at the same time?

Any of these things could hurt your centrifugal clutch.
 
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canadales

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No the same sprocket on the clutch and engine. No torque converter. Mostly ridden on the flat and note riding the brake or clutch.
Could the face area of the clutch pads make the difference?? It was a new clutch and a new 5hp engine the same rating as the old engine.
 
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Kenny_McCormic

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How heavy is the kart? I'm currently in the process of flipping a Yerf Dog 1wd 2 seat kart with a full cage and the clutch gets hot simply because its so heavy. I have a 5.4:1 final drive with a 13" tire, the clutch locks up within 10ft of taking off and the kart then digs a ditch looking for traction. But this kids kart weighs as much if not more than my dingo I had.
 
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canadales

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Previous engine was a B&S 5hp and it worked fine. Since the new clutch NFG. I am wondering if the spring in the new clutch is not strong enough.
 
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canadales

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The old clutch was a Comet and the new clutch is a Max Torque. Everything is the same.
The distance from the clutch shoe to the outer case is more on the Max Torque than on the Comet, something like around 1/16 inch. Would this make a difference??
 
Blazkowiez

Blazkowiez

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MaxTorque's SS clutch preforms nearly identical to comet's clutch. My theory is you have a small child or an inexperienced rider on the kart who drives extremely slow leaving the clutch half engaged or they love to hold the gas and brake at the same time.

At any rate, oil your clutch every 2 hours, 3-4 drops on the snap ring, it will lubricate the bushing the clutch rides on and prolong the life.
 
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