Model / NSF4 Engine (No. of Cylinder) 1 Output 4 hp (2.9 kw) Displacement 123 cc (7.5 cu.in) Bore x Stroke 59 x 45 mm (2.32 x 1.77 in) Starting Manual Control Type Tiller Handle Gear Shift Forward - Neutral - Reverse Gear Ratio 2.15:1 Propeller Selection Range 7" - 9" Transom Height 15", 20" Fuel Unleaded Gasoline (87 Octane) Oil Type NMMA Certified FC-W^{® 4-stroke oil**
SAE 10W-30/40 (SF, SG, SH, SJ) Fuel Tank}

0.29 US Gal. (1.1 Lit) Integral Tank
(4hp includes an External Fuel Tank Connector installed on engine to allow user to use an optional external fuel tank)

Weight* 57 lbs (26 kg) Alternator Output Optional: 12V, 60W, 5A Max. RPM Range 4,500 - 5,500 Digital CD Ignition System S Start In Gear Protection S Thermostat Controlled Cooling System S Through-The-Prop Exhaust S Shallow Water Drive S Oil Pressure Warning S