Electric motors are hence costlier to acquire than combustion engines, especially in better electrical power ranges. Air is compressed in the cylinders of the motor with the assistance of pistons. If gasoline is then injected into this highly compressed air and ignited, an explosion happens, which drives the piston again https://trevorhzper.pointblog.net/used-mercury-outboard-motors-for-sale-fundamentals-explained-86046136