More Power, More Performance.
The DF40A is the only engine in the 40 HP class to offer DOHC performance, and also the only to incorporate a maintenance-free, oil-bathed timing chain, which provides the outboard with improved durability and maintenance-free operation. With larger displacements for increased power and performance, Suzukiās Lean Control System improves fuel economy with designs that are more compact and lighter in weight than their predecessors. The new DF40A engines also include the Suzuki Troll Mode System. The Boating Writers of America presented Suzuki Marine with the NMMA Innovation Award for the DF40A/DF50A, during the 2011 Miami Boat Show.
SPECIFICATIONS
- Recommended Transom Height: 20 in.
- Starting System: Electric
- Weight: 229 lbs
- Engine Type: 4-Stroke / DOHC 12-Valve
- Fuel Delivery System: Multi Point Sequential Electronic Fuel Injection
- Number of Cylinders: 3
- Piston Displacement: 57.4 cu. in. (941 cc)
- Bore x Stroke: 2.85 x 2.99 in. (72.5 x 76 mm)
- Maximum Output: 40 HP
- Operating Range: 5000 – 6000 RPM
- Steering: Remote (Tiller Kit Optional)
- Oil Pan Capacity quarts: 2.9 qt. (2.7 L)
- Ignition System: Solid State Direct Ignition
- Alternator: 12V 19A
- Trim Position: Power Trim and Tilt
- Gear Ratio: 2.27:1
- Standard Propeller: Optional See Dealer; Propeller Selection: 9 – 17
- Body Color: Pearl Nebular Black
FEATURES
- Go Your Own Speed: Glide into your favorite honeyhole with Suzukiās Troll Mode System. The engineās revs can be adjusted in 50 rpm intervals, giving you precise control pressing the Troll Mode control switch from idle up to 1200 rpm, allowing you control over your wake and speeds.
- Running Like Clockwork: The DF40A comes equipped with digital sequential electronic fuel injection, meaning it reads the electronic control unit monitors throttle setting, engine RPM, cylinder wall and air-intake temperature and atmospheric pressure all at once. All of these considerations cause the fuel injection to enter the combustion chamber at the most optimal opportunity, offering smoother and faster acceleration, crisp throttle response and reliable starting no matter what the conditions or temperature are.
ENGINE
| Engine Type | 3 cylinders, 4-Stroke / DOHC 12-Valve |
| Bore x Stroke | 2.85 x 2.99 in. (72.5 x 76 mm) |
| Displacement | 57.4 cu.in. (941 cc) |
| Starting | Electric |
DIMENSIONS
| Shaft Length | 20 in. |
| Weight | 229 lb. |
GENERAL
| Trim Method | Power Trim and Tilt |
| Propshaft Horsepower | 40 HP |
| Full Throttle Operating Range | 5000 – 6000 rpm |
| Gear Ratio / Shift | 2.27:1 |
| Fuel Induction | Multi Point Sequential Electronic Fuel Injection |
| Alternator | 12V 19A |
| Steering | Remote (Tiller Kit Optional) |
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