· Model: TY139QMB TY144QMC TY147QMD TY150QMF
·Type:Forced air-cooled 4-stroke single cylinder
·Diameter of Cylinder(mm) 39 44.0 47.0 50.00
·Displacement(ml) 49.5 63.1 72 81.5
·Rated power output and Rotational Speed
(KW/r/m) 2.1/7500 2.8/7500 3.1/7500 3.4/7500
·Max.Power output and Corresponding Rotational speed(KW/r/m) 2.5/8000 3.1/8000 3.3/8000 3.8/8000
·Max Torque and Corresponding Rotational Speed(Nm/r/min) 3.1/6000 4.0/6500 4.3/6500 4.8/6500
·Min.Stable Rotational Spe(r/min) 1600±100 1600±100 1600±100 1600±100
motoycycle engine