... -off, self draining ,direct from propulsionBore (mm) X Stroke (mm)81 X 68RPM Limited operation 7200rpmCompress ration 7.2:1Lubrication oil ... Direct , Neutral, ReverseImpellerStainless, SteelRider quantity1-3 PersonsMax speed90km/hDimension 3.10 x 1.25 x1.10mColorRed, Black, White, Blue, YellowPackage L ... x W x H (m)3.30*1.140*1.170mGross/Net Weight ...