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Old 03-12-2019, 03:38 PM
Davefishman Davefishman is offline
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Default Attaching a sprocket to a shaft that is fat on both ends.

I am new to the forum. I am trying to attach a sprocket to a shaft that necks down in the middle. This is an unusual shaft on a snowmobile. Each end of the shaft is about 0.97" inch but the middle is about 0.90". Here is a video to help describe the shaft

https://photos.app.goo.gl/tHz8q7UCydeRuYEh6

Thank you for your help.
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Old 03-12-2019, 03:45 PM
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Snowmobile?! WRONG FORUM!
Nah, it's cool.
What do you mean by 'necks down the middle'?
Do you mean a keyway? FYI that would be a notch in the shaft.
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Old 03-12-2019, 06:44 PM
txluke txluke is offline
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Are you wanting to put a drive sprocket on the thinner part?
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Old 03-12-2019, 08:14 PM
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Ahh yamaha eh? You could cut the sprocket in half and weld it on...best bet would be to machine the shaft or use the original chaincase/sprockets.
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Old 03-12-2019, 09:12 PM
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split sprockethub and a sprocket to mate with that!

'sid
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Old 03-12-2019, 11:17 PM
Davefishman Davefishman is offline
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Yeah. I would like to attach a sprocket to the thinner section. Where would I find a split sprocket hub and a sprocket to match?
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Old 03-13-2019, 03:08 AM
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Right about now, I miss that guy that used to post up these animated posts that had a cursor clicking on Google.
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Old 03-13-2019, 06:36 AM
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Quote:
Originally Posted by Nosandwich View Post
Right about now, I miss that guy that used to post up these animated posts that had a cursor clicking on Google.
You mean like THIS?

I know its not animated...
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Old 03-13-2019, 06:42 AM
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What size sprocket are you looking for?
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Old 03-13-2019, 12:13 PM
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Quote:
Originally Posted by Davefishman View Post
Yeah. I would like to attach a sprocket to the thinner section. Where would I find a split sprocket hub and a sprocket to match?
https://www.heeters.com/kartclutches.shtml
scroll down to the six spoke hub... looks to me it is a split hub
matching (coincientally) two piece split sprockets as can be found on that very same page

you can find various two piece hubbed sprockets as well..
like
https://cometkartsales.com/50mm-Stee...428-Chain.html
(the first match on google so maybe not the size you need)

but searching for "split hub" should find you some

As always:
do NOT weld to an axle!

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Old 03-13-2019, 03:44 PM
Davefishman Davefishman is offline
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And yet it was animated. Maybe you meant "polite" . . . It was not polite. For that matter it was not helpful or obvious since I had already done a lot of googling.

Quote:
Originally Posted by landuse View Post
You mean like THIS?

I know its not animated...
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  #12  
Old 03-13-2019, 06:32 PM
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Quote:
Originally Posted by landuse View Post
You mean like THIS?

I know its not animated...
Close, but his cursor would click on the Google search and pull up the answer, then he would say:"Was that so hard?"

Hmmm....Dave seems a bit high strung and pouty.
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