A flat-4 engine has four cylinders organized in an opposite direction together a common crankshaft. The pistons shift clear of one another concurrently. Examples are Honda CB750 and BMW K1200RS. A radial-triple engine has 3 cylinders organized in the triangle together a standard crankshaft. The pistons shift at different situations https://bike-engine-parts38653.weblogco.com/35203924/5-simple-statements-about-bike-engines-for-sale-in-pakistan-explained