You're describing the cam chain, like a sewing machine noise?
Have a look on YouTube and see if the sound is similar?
https://www.youtube.com/results?search_q...JMRSl_0f_I
Have a look on YouTube and see if the sound is similar?
https://www.youtube.com/results?search_q...JMRSl_0f_I
More people are born because of alcohol than will ever die from it.