The two stroke outboards are light-weight and compact nonetheless produce high electric power output. The engine construction is relatively simple and servicing is exceedingly straightforward. The two stroke outboards are light-weight and compact yet produce high energy output. The engine structure is pretty very simple and servicing is exceedingly easy. https://yamaha-outboard-engine-fo12345.wikijournalist.com/5290009/the_basic_principles_of_yamaha_outboard_used_for_sale