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2012 Sportsman 550 EFI
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Discussion Starter #1
Hydro locked my 550; bent the crankshaft and need to remove this coupler damper. Anyone have any experience; is it pressed on or threaded?
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2012 Sportsman 550 EFI
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5 Posts
Discussion Starter #3
There’s no nut on mine, it sits just as pic shows. It’s splined going onto the tranny but it appears to be threaded onto crankshaft.
 

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I just picked a 550 - don't know what year or if it was a Sportsman or RZR - you didn't describe, so I guessed

The installation may be model specific
 

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2012 Sportsman 550 EFI
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5 Posts
Discussion Starter #5
Okay, yeah sorry, I thought my year make & model showed up in posts. It’s a 2012 Sportsman 550. The replacement crank appears to be threaded. I put a puller on it once already but it didn’t budge. Gonna be hard to pull off if it’s threaded lol
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2012 Sportsman 550 EFI
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Discussion Starter #7
Okay that looks more like it. It might sound off, but I don’t believe mine even has the six bolts referenced to remove. There are six studs there and six empty holes...unless I’ve overlooked them. I’ll take another look this evening when I get home. Thanks for your help, I’ll follow up later if I find something else out.
 
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