Suzuki DF40AT 40hp Long Shaft Outboard Engine


Suzuki DF40A

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Compact, yet powerful, and with low maintenance – the ideal engine for all kinds of boating life and applications, including pontoons and heavy craft.
Suzuki Easy Start System

Starting is simplicity itself with Suzuki’s Easy Start System. No need to hold the key: just turn it once and the system stays engaged until the engine starts. Smoother and simpler, to get you up and running quicker.

Self-adjusting timing chain

Simple, effective and maintenance free timing chain that runs in an oil-bath so it never needs lubricating and equipped with a hydraulic tensioner so it remains properly adjusted at all times.

Easy start system

With the easy start system there’s no need to hold the key, just turn it once and the system stays engaged until the engine starts. This smooth and simple design feature gets you up on the water quicker.

Lean Burn control system

Suzuki's Lean Burn Fuel Control Technology predicts fuel needs according to operating conditions, then delivers the optimum fuel/air mixture to the engine resulting in greater fuel economy.

Largest reduction gear ratio in its class

A large reduction gear ratio leads to powerful torque for quick acceleration and great top-end speed.


Recommended transom height: 508mm (20in)

Weight: 104Kg

Bore x Stroke: 72.5 x 76.0mm

Propeller Selection (pitch): 9" - 17"


Starting System: Electric

Engine Type: DOHC 12-Valve

Fuel Delivery System: Multi-Point Sequential Electronic Fuel Injection

No. of Cylinders: 3

Piston Displacement: 941cc

Maximum Output: 29.4KW

Full Throttle Operating Range: 5,000 - 6,000

Steering: Remote

Oil Pan Capacity: 2.7L

Fuel Tank Capacity: 25L (optional)

Ignition System: Fully-transistorised

Alternator: 12V 19A

Engine Mounting: Shear Mount

Trim Method: Power Trim and Tilt

Gear Ratio: 2.42:1

Gear Shift: F-N-R

Exhaust: Through Prop Hub Exhaust

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