Noisy clutch? - Yamaha Rhino Forum - Rhino Forums.net
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post #1 of 6 (permalink) Old 06-13-2019, 04:56 PM Thread Starter
Paper Boy
 
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Noisy clutch?

I have a 05 660 with about 4800 miles on it. Very familiar with bikes and the Teryx we had but not to familiar with the Ulltramatic setup. Ive probed around with a stethoscope and im 95% sure the racket I hear is coming from the clutch area. Quiet at idle but once at about 1500 rpm or above you hear a Kind of a knocking or rattling that does not match the engine r's like a bad rod bearing. If you've ever owned a Ducati with a dry clutch and a drilled cover it's somewhat similar. Its definitely coming from the clutch/belt area and it bothers me a bunch. I did read on another rhino forum that" clutch noise is well documented" but no elaboration into what it is or any failures. Any thoughts? also everything works as it should, I removed the belt cover and it was clean inside and I did not see anything obvious.
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post #2 of 6 (permalink) Old 06-14-2019, 04:21 AM
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did you run it with the cover off and see where it is coming from?
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post #3 of 6 (permalink) Old 06-14-2019, 05:50 AM Thread Starter
Paper Boy
 
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Hello Todd,
I did pull the belt cover and could not really pin point the source. Putting the scope on the clutch cage produced the loudest racket and the further in towards the engine cases sounded normal. Id say the source is in there somewhere but it looks like a tear down may be in order.
Thank You for the response.
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post #4 of 6 (permalink) Old 06-14-2019, 09:26 AM
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Originally Posted by Scooter4551 View Post
Hello Todd,
I did pull the belt cover and could not really pin point the source. Putting the scope on the clutch cage produced the loudest racket and the further in towards the engine cases sounded normal. Id say the source is in there somewhere but it looks like a tear down may be in order.
Thank You for the response.

A grease less clutch like some of the aftermarket sells makes a rattling noise that takes a while to get used to, maybe you have a machined clutch with grease less rollers.
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post #5 of 6 (permalink) Old 06-14-2019, 12:42 PM
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I would check the primary weights before i tore anything down


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post #6 of 6 (permalink) Old 06-14-2019, 07:41 PM Thread Starter
Paper Boy
 
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Thanks for the response guys!. Considering it has just under 5K miles when I pulled the cover it was close to spotless in there which leads me to believe it was recently opened up. The PO also has it set up a a 4 seater. Id be thrilled if that was the cause of the rattle and not something more serious.
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