Return 3W-170xiB2-F Competition Series - 3W-Item No. 10.002.225 Price : $2025.00 Quantity :   Add To Cart 3W-170xi-B2-F Specifications Sheet Download Instruction Manual Download Mounting Template Download 3W Intelligent Ignition System (IIS)             Cylinder Capacity 10.37 cu.in 170 ccm     Power Rating 18.8 HP 14 kW     Bore Diameter 2.0 in 51 mm     Stroke 1.61 in 41 mm     Weight 8.66 lbs 3928 g     Crankshaft 3 Ball bearings     Connecting Rod Needle bearings on both ends     Oil / Gasoline Ratio 1:50 - 1:80 Mix     Ignition Input Voltage: 6.0 V to 8.5 V 7.2 V LiPo / Li Ion     Factory Needle Settings High: 3/4 to 1 Low: 1 3/4 to 2     Propeller 2-Bladed 32 x 12 32 x 14 33 x 10 3-Bladed 29 x 12 30 x 12