A 4-cylinder engine has the highest power-to-body weight ratio of all bike engines and also has the bottom vibrations and best equilibrium due to quite brief firing intervals. There are distinctive configurations of four-cylinder engines determined by the angle between the cylinders: Seat rails: a metal framework about which saddle https://keeganosttv.blogs-service.com/65969339/5-simple-statements-about-engine-cycle-diagram-explained