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, Suzuki’s 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.
Suzuki DF40A
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TECHNICAL SPECIFICATIONS
Body Color: Pearl Nebular Black or Cool White
Recommended Transom Height (inches): L: 20
Starting System: Electric
Weight LBS: L: 229
Engine Type: DOHC 12-Valve
Fuel Delivery System: Multi Point Sequential Electronic Fuel Injection
No. Of Cylinders: 3
Piston Displacement inches (cc): 57.4 (941)
Bore X Stroke Inches (mm): 2.85 x 2.99 (72.5 x 76)
Maximum Output HP: 40
Operating Range (RPM): 5000 – 6000
Steering: Remote (Tiller Kit Optional)
Choke: N/A
Oil Pan Capacity quarts (liter): 2.9 (2.7)
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
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