A 4-cylinder engine has the highest power-to-weight ratio of all bike engines and also has the bottom vibrations and best harmony due to the incredibly brief firing intervals. You can find different configurations of 4-cylinder engines according to the angle amongst the cylinders: Kris is an avid off-roader and outside https://bikeenginenumber36802.actoblog.com/35795939/dinosaur-home-depot-an-overview