This sort of engine has 6 cylinders organized in the line alongside a typical crankshaft. It is the rarest and most exotic kind of bike engine, providing unmatched power, smoothness and sound.100CC BICYCLE ENGINE KIT: The 4 stroke engine offers a sturdy 3.5HP horsepower, a displacement of 100cc, a rated power of 2kw/h, plus a max rotating speed of … Read More