single-cylinder,4-stroke ,air-cooled ,OHV, Horizontal side shaft,Auto-Speed gasoline engine with CE,CCC,ISO9001certifications Gasoline Engine ModelDB-168FDB-168FADB-168 ... 177FDB-188F/FEDB-190FEngine modelSingle-cylinder,4-stroke,Air-cooled,OHV,Horizntal side Shaft,Auto-Speed gasoline engineBore×Stroke(mm)68×4568×4568×4570 ... 9.6(15.0HP)11Rated power(4.0HP)3.0(4.0HP)3.0(5.8HP)4.3(6.0HP)4.4(7.4HP)5.5(11. ...