October 23rd, 2017, 06:46 AM
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#5
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Rev Limiter
Name: Jay
Location: WI
Join Date: Jul 2013
Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes
Posts: A lot.
MOTM - Jun '18, Oct '16
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Not sure about that sound - but it ain't good.
Have you changed the oil and filter? If so, I would probably want to pull the valve cover and take a look at the cams, valve clearances, and cam chain tension.
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