High Performance DOHC 12-Valve Engine
 

TILLER MODEL

The DF40ATHL and DF50ATHL are powered by Suzuki's proven in-line three-cylinder 12-valve engine. This high performance engine has a displacement of 941cm3 and features a DOHC powerhead—the only DOHC engine used in the 40-50HP outboard class—with four valves per cylinder, and an air intake system optimised for maximum efficiency in the high rpm range.

When designing this engine, Suzuki engineers also focused on improving mechanical efficiency. Each component was analysed and redesigned to reduce mechanical loss in order to improve efficiency. As an example, a new oil pump design makes internal oil flow more efficient, keeping moving parts better lubricated while using less energy. The combined reduction in mechanical loss throughout the engine contributes to better fuel economy.

Discover Suzuki's 3+3 year Warranty for recreational used outboards, plus other terms and conditions for commercial and government registered outboards under Suzuki's Warranty Policy.

Specifications

Recommended Transom Height (mm)L: 508mm
Weight (Kg*)Tiller: L: 110kg
Engine TypeIn-line 3 cylinder, 4-stroke
Piston Displacement (cm³)941cm³
Maximum Output (kw)29.4kW
SteeringMechanical
Recommended FuelRON91 / AKI87
Alternator12V 19A
Gear Ratio2.27 : 1
ExhaustThrough Prop Hub Exhaust
Starting SystemElectric
Cylinders-
Fuel Delivery SystemElectronic Fuel Injection
Bore x Stroke (mm)72.5 x 76mm
Full Throttle Operating Range (rpm)5,000 - 6,000rpm
Oil Pan Capacity (L)2.7L
Fuel Tank Capacity (L)Separate 25L (optional)
Trim MethodPower Trim and Tilt
Gear ShiftF-N-R
Propeller Selection (Pitch)9” - 17”