A 4-cylinder engine has the highest power-to-fat ratio of all bike engines but in addition has the lowest vibrations and best balance due to quite small firing intervals. You can find various configurations of 4-cylinder engines based on the angle concerning the cylinders: It transfers force from the gas enlargement https://collinswwxy.sharebyblog.com/34894486/new-step-by-step-map-for-bike-engine-kit