CHUAN QI 49.89cc SOHC V12 4-Stroke Gasoline Engine

  CHUAN QI 49.89cc SOHC V12 4-Stroke Gasoline Engine    Specifications: V12 SOHC Gasoline powered Engine Single Over Head Cams   Size: length 210mm x width 116mm x height 159mm. Stroke: .7 in Bore: .66 in Single bevel ductile iron piston rings. Displacement: 49.89cc. Firing Order: 1-9-4-11-2-7-6-10-3-8-5-12 RPM Range: 3,000 ~ 9,000 + rpm   Dry water-cooled, side-mounted high-flow gear water pump. Splash oil passage lubrication. sohc overhead cam valve train + synchronous belt drive. 480 high-torque motor + gear reduction set electric start. Vigorous carburetor + air filter cover. Crankshaft 7-point bearing steel sleeve support. One-Piece Formed and Fully Supported Crankshaft 2 Rings per Piston Piston: Aluminum Alloy, Dual Ring Ring: 1 × Ductile Ring & 1 × Fluorine Rubber Ring Pressed in Steel Cylinder Sleeves Brushed Starter Motor Stainless Steel Oil Separator Weight: 4kg   Ignition and Electric Start Electric Range 12V   Gears, crankshaft, camshafts, cylinder sleeve are made of steel. Engine block, pistons, piston rods are made of aluminum alloy. Valve springs made of quality spring steel