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Tach variation at 30MPH

hank

Lifetime Member
Joined
Jan 23, 2006
Messages
39
Location
Iowa
Country
USA
Snowmobile
'16 RsVector XTX 1.75
'07 Phazer GT
'16 Phazer RTX
Hi all,

I have a 2016 RsVector XTX with just over 7000 miles (purchased from an older gentleman @ 5800 miles).

I've had Yamaha sleds for ~40 years and this sled had noticeable clutch noise between 4-5k rpm. No noticeable performance issue, just a minor rattle.

I thoroughly cleaned the clutches but did not replace any components.

I just returned from a trip to the UP and didn't notice the rattle but now I have what feels like a clutch grab at slow speed on a groomed trail (~30mph). The engine rpm changes from 4000 to 4700 every 5 to 10 seconds or so but no noticeable speed change. If I speed up the oscillation stops but returns when I slow back to 30mph.

The belt/clutches work normally outside of the tach variation at 30mph (belt has ~700 miles).

Any thought on what the issue might be?

Thanks.
-Hank
 



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