$1125.00 Cylinder Capacity 3.48 cu.in 57.00 ccm Power Rating 5.5 HP 4 kW Bore Diameter 1.42 in 36 mm Stroke 1.10 in 28 mm Weight 4.10 lbs Speed Range 8500 RPM Crankshaft 3 Ball bearings Connecting Rod Needle bearings on both ends Oil / Gasoline Ratio 1:50 - 1:80 Mix Ignition 6.0 V Propeller - 2 Bladed 20 x 12   22 x 10     DOWNLOADS  Dimensions  3W 56 B2 Bolt Pattern  3W 56 B2 Manual  3W 56 B2