SPECIFICATIONS The Specifications are accurate for all MFS2.5 Models Engine: 4 Stroke (No. of Cylinder): 1 Output: 2.5 hp (1.8 kw) Displacement: 85.5 cc (5.2 cu.in.) Bore x Stroke: 55 x 36 mm (2.17 x 1.42 in) Starting: Manual Control Type: Tiller Handle Gear Shift: Forward - Neutral Gear Ratio: 2.15:1 Propeller Selection Range: 4.5" - 7" Transom Height: 15" Fuel: Unleaded Gasoline (87 Octane) Oil Type: NMMA Certified FC-W® 4-stroke oil** SAE 10W-30/40 (SF, SG, SH, SJ) Oil Capacity: 10 fl. oz. (300 mL) Fuel Tank: 0.26 US Gal. (1 Lit.) Integral Tank Weight*: 41 lbs. (18.4 kg) Alternator Output: N/A Max. RPM Range: 4,500 - 5,500 Digital CD Ignition System: Standard Thermostat Controlled Cooling System: Standard