Crankshaft and countershaft balancing - Mad scientist explains chronicles no.1

Join us in this informative series of video about the engineering and technical explanations of a motorcycle single cylinder two stroke with Panthera Motors !!
In this first episode : Single cylinder crankshaft balance, and the impact of adding a counterbalancer shaft !

[@dr.hugog.hackenbush9443]

Exceptionally trued and balanced cranks can pretty much eliminate vibration. I have a YZ490, a notorious shaker from the factory, that is as smooth as glass now.

[@leonrawls892]

Had a 85 and 88 CR500 LOVED them but yes vibration but we did not know better!

[@leonrawls892]

I would LOVE to have the NEW 600CC motor!!!

[@BrickEngines]

rocking couple left the chat

[@classicmotorcycle136]

How can we calculate the weight of the counterweight that applicable for each crankshaft, please!