2022 Suzuki DF40ATLW4 Outboard Motor


Engine Type : 3 cylinders, 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

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Suzuki DF40ATLW4

Suzuki DF40ATLW4: 3 Cylinder, Electronic Fuel Injection, 20 in. Shaft, Power Tilt and Trim, 229 lb. Dry Weight, Digital Gauges, Cool White.

This is the only engine in the 40 hp class to offer DOHC performance, and also the only engine in its class to incorporate a maintenance-free, oil-bathed timing chain, which provides the outboard with increased durability and maintenance free operation. With larger displacements for increased power and performance, Suzuki’s Lean Control System for improved fuel economy and designs that are more compact and lighter in weight than the predecessor, the new DF40A engines also incorporate the Suzuki Troll Mode System. During the 2011 Miami Boat Show, the Boating Writers of America presented Suzuki Marine with the NMMA Innovation Award for the DF40A/DF50A.

  • Multi Point Sequential Electronic Fuel Injection
  • Suzuki Lean Burn Control System
  • Suzuki Troll Mode System
  • Direct Ignition
  • Suzuki Easy Start System
  • Over-Rev. Limiter
  • Low Oil Pressure Caution
  • Fully Transistorized Ignition
  • Timing Chain
  • Fresh Water Flushing System
  • Power Trim and Tilt
  • Suzuki Anti-Corrosion System
  • Recommended Transom Heighti: 20 in.
  • Starting System: Electric
  • Weight: 229 lbs
  • Engine Type: 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; Propeller Selection: 9 – 17
  • Body Color: Cool White
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