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'10 Sportsman 550 clunk

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Old Aug 30, 2011 | 08:03 AM
  #1  
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Default '10 Sportsman 550 clunk

Got about 400 miles on it and when the throttle is applied it has a hearty clunk (most times) when the clutch engages, both forward and reverse.

What would cause that? Is it normal?

thanks,
Effer
 
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Old Aug 30, 2011 | 10:01 AM
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Can't be 100% certain,but sounds like you are describing the old drive train "lash", that is the clunking noise because of the slack from the driven clutch to the transmission to the drive shafts. Its more prominent in high torque machines such as the 700 800 twins and even more so in the new 550 and 850 atvs. OPT
 
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Old Aug 30, 2011 | 10:29 AM
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mine does this also. Like OPT said it's just slack in the drive system
 
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Old Aug 30, 2011 | 07:01 PM
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Ditto on my sp500. The clunk sound can be a bit disturbing but it's normal.
 
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Old Aug 31, 2011 | 11:12 AM
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Thanks for the feedback.
I'm so used to how my '02 engages that I expect a new machine to be the same or better.
 
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Old Aug 31, 2011 | 12:10 PM
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On my 850 I watch my RPMs and slide them up till the clutch engages for my first morning ride, increasing the power slow so I don't hear that clunk. Once everything is warmed up I can just hit it and no noise. I don't think it is a problem just don't like to hear it.
 
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