intake, compression, combusion, and exhaust 1.The first stroke that is intake is the movement of a valve , which opens into the cylinder which contains a moving piston which moves 50 times a second ,...
A 4 stroke is heavier, has more moving parts, is costlier to rebuild, & does not make as much power as an equal sized 2-stroke. 2-strokes are lightweight, produce a power stroke on every stroke -...
When comparing to a two-stroke engine, the four-stroke engine has the following advantages. Fewer emissions. Since the crankshaft has its own oil reservoir there is no need to add oil to the fuel,...