... noise 5:diesel engine Detailed Product DescriptioSingle cylinder,tilt,4-stroker,swirl,forcible air-cooled diesel engine 1:rated output:3 ... :low noise 5:diesel engineModelRZ170FRZ173F-Dengine typeSingle cylinder,tilt,4-stroker,swirl,forcible air-cooled bore x stroke68x54mm73x68mmstarter systemrecoil startdisplacement196CC248CCengine speed3000RPMmax ...