A 4-cylinder engine has the highest power-to-body weight ratio of all bike engines but additionally has the bottom vibrations and best balance mainly because of the really limited firing intervals. You will discover diverse configurations of 4-cylinder engines determined by the angle in between the cylinders: 100CC BICYCLE ENGINE Package: https://bikeenginesexplained61493.ka-blogs.com/88324501/5-essential-elements-for-bike-parts-repair