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Discussion Starter · #1 ·
Hi,
2015 scrambler 1000 XP
I fitted a new after market primary clutch a couple of weeks ago and everything was fine , the atv was out working last weekend again with no problems then i started it the other day and it wont move. I removed the belt / clutch cover to check what was happening with the clutches to find the primary still when the engine is running and when the engine is off I can spin it easily so its not turning the engine.
any suggestions on the most likely cause

Thanks
 

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Tapers the same? Clutch bolt torqued to spec? Did you clean BOTH tapers before installing the clutch?
It's now possible the taper(s) are damaged.
 

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Yup try tightening the primary bolt. If the bolt is tight and still doesn't rotate with the engine pull the primary off and chk it out. Something's broken or like stated above the taper is incorrect/worn.
 

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2008 800 ho efi, 2019 850 SP premium
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Hi,
2015 scrambler 1000 XP
I fitted a new after market primary clutch a couple of weeks ago and everything was fine , the atv was out working last weekend again with no problems then i started it the other day and it wont move. I removed the belt / clutch cover to check what was happening with the clutches to find the primary still when the engine is running and when the engine is off I can spin it easily so its not turning the engine.
any suggestions on the most likely cause

Thanks
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Your primary clutch is not directly connected to the engine crankshaft. The engine crankshaft is connected to the transmission and then through a series of gears and chains it connects to the shaft that drives the primary clutch. I suspect you have broken something in your transmission.
 

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Discussion Starter · #6 ·
Yup try tightening the primary bolt. If the bolt is tight and still doesn't rotate with the engine pull the primary off and chk it out. Something's broken or like stated above the taper is incorrect/worn.
yes my first thoughts, see reply above,
 

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Discussion Starter · #7 ·
Your primary clutch is not directly connected to the engine crankshaft. The engine crankshaft is connected to the transmission and then through a series of gears and chains it connects to the shaft that drives the primary clutch. I suspect you have broken something in your transmission.
Oh dear, still sounding like an engine out type of job 😏😏
 

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There's been some torque applied to that shaft. When they look like a barber shop Pole that ain't good!
 

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You had spinning wheels that suddenly caught and got traction.
 

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It should look like this.
IMG_20201223_093922.jpg


Screenshot_20210504-131636.png
 

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Discussion Starter · #13 ·
You had spinning wheels that suddenly caught and got traction.
It was working fine clearing up after an enduro / hare scramble , loaded it on the trailer took it home , unloaded parked in garage , then next day wouldn’t move. No bangs , no cracks nothing 🤷‍♂️🤷‍♂️
price for the shaft not too bad in the US but not so good here in uk 😱😱
 
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