New Guy, need some assistance....

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mickeyoneil

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Well, I never had a go kart growing up and my father wasn't the most mechanically inclined (ok, he wasn't even close), and my son wanted a go kart...so I jumped in with both feet. My first problem is that the sprocket came loose from the axle.

Now, as I started investigating, I figured out that I needed to install a new key on the axle...simple enough, but then I really started looking at the sprocket and noticed that it was being held in place with two hose clamps. Surely this cannot be right? My problem is that I can't seem to find what I would call a couple of "collars" that would hold the sprocket in place...anyone know what these would be called? I have attached a picture. Thank you.

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mckutzy

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Believe it or not.... Hose clamps will do fine at holding a key in place... It(like all bolts) need to be checked periododically to see if it has clocked a bit and thrown a key...
 
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mickeyoneil

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Thanks guys. McKutzy, actually I was referring to the lock collars as I believe these are what typically hold the sprocket in place. I haven't seen anything that actually holds the key in place, I was under the understanding that it slides in and then the pressure from other parts keep it in place?

Landuse, thank you. For some reason google would NOT bring that up but now that I see they are called "lock collars", Home Depot is looking like a good place to go get them.
 
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bob58o

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There has to be something connecting the sprocket hub to the axle besides the the key.
Either a bolt that tightens the hub like a clamp around the axle? Or maybe (probably) set screws?

Anyways, I've lost a wheel, hub and all. I thought the hub was clamped and keyed. My hubs have a bolt that clamps the hub around the axle. The key wiggled out, the hub spun on the axle, and the whole wheel came off. Luckily, I was starting from a stop when it happened.

Since then, I added hose clamps to all my hubs. TO HOLD THE KEY IN PLACE.
Lock collars are good! They will hold the key and prevent lateral movement on the axle.:thumbsup:
 
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mckutzy

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+1- bob

On both of my bikes, I had a live axle key walk out, for the wheel connecting to the axle and brakes....
The other was for the brake disc hub to axle...

First time I managed to slow and stop via the hub welding itself to the axle.. What a serious pain that was to remove...
The second I had stopped via flintstoning it for a block or two and going round a roundabout a few times to wear off speed...
My other pair of boots had a flat spot wore into it...

So... Moral is... KEEP THOSE KEYS LOCKED DOWN BY ANY MEANS NESSISARY(except welding them... Do not do this, this is wrong).
 
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mickeyoneil

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Thank you McKutzy. I'll be keeping them on then. I thought they were just being used as "lock collars" for the sprocket.
 
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