Features

  • 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

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.

Specs:

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 Cylinders

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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