9 amp charging system; Full pressure lubrication with oil filter; Pulse fuel pump;Overhead valve design (OHV) for cooler operation and long valve life;Includes exhaust;Dura-Bore cast iron cylinder sleeve for extended life;3300 max RPM;Electric start;For riding lawn mowers Colour:Black/Yellow Model number : 33S877-0019-G1 Easy to setupThis genuine 540cc single cylinder engine offers dependable power for your equipment needs. With a power rating of 19 horsepower, this engine features a premium pleated paper air filtration system, electric with recoil backup starter, and maintenance-free Magnetron electronic ignition. With a manufacturer limited warranty of 2 years consumer use/ 1 year commercial use, provides power that you can trust. This engine includes a Dura-Bore cast iron cylinder sleeve for extended life. This engine includes an installed muffler, a fuel pump, and a 9 Amp charging system. Super-finished crank pin bearing reduces friction and heat to minimize wear un