... Robin Type 2)EPA/CE approved Specifications:ModelRB170F(E)RB178F(E)RB186F(E) Typesingle cylinder,vertical,4-stroke,air ... cooledsingle cylinder,vertical,4-stroke,air cooledsingle cylinder,vertical,4-stroke,air cooled Displacement(cm3)211296 ... of camshaft (The speed of camshaftcrank of camshaft (The speed of camshaftcrank of camshaft (The speed of camshaftis about 1 ...