Therefore, it is in the study of vibration of motorcycle engine size, 1-cylinder, 4. Pistons, which is good for motorcycle rider safety body and property directly.
Thus, it is the study of the vibration measurements of motorcycles, engine size, 1-cylinder, 4-cylinder, which will be good for motorcycle riders. To security of person and property directly.
So it is in the study of vibration measurement of motorcycle engine piston, piston 4 1 Size Which will be good for driving a motorcycle. For the safety of body and property directly .