1)Diameter of cylinder and distance: 39 x 41.5mm 2)Maximum power and relative rotation speed: 2.0kW 3)50CC,125CC,150CC ZNEN gas engine with power 50CC,125CC,150CC Diameter of cylinder and distance39 x 41.5mmMaximum power and relative rotation speed2.0kW/8,000rpmBrand of crankcase lube10W-40N.W21kgdisplacement49.6mlBrand of gear-box lubeSAE-90Maximum torsion distance and relative rotation speed2. ...