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jkv45 · April 25th, 2018, 06:24 AM

Pull the valve cover and watch the cams as you rotate the crank.

I'm thinking you will see when the lobes are contacting the rockers and opening the valves it will get harder to rotate the engine - then easier as they close.

I don't think you have a damaged cam chain.

April 25th, 2018, 06:24 AM	#15
jkv45 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	Pull the valve cover and watch the cams as you rotate the crank. I'm thinking you will see when the lobes are contacting the rockers and opening the valves it will get harder to rotate the engine - then easier as they close. I don't think you have a damaged cam chain.