... cylinder,tilt,4-stroker,swirl,forcible air-cooled diesel engine 1:rated output:3-10KW2:Max ... 3:Low consumption 4:low noise 5:diesel engine ModelRZ170FRZ173F-Dengine typeSingle cylinder,tilt,4 ... -stroker,swirl,forcible air-cooled bore x stroke68x54mm73x68mmstarter systemrecoil startdisplacement196CC248CCengine speed3000RPMmax ... 8208 2243, TWO cylinder air-cooled diesel engine