2022 Suzuki DF40ATL4

Engine

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

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)

Description

Suzuki® DF40ATL4: 3 Cylinder, Electronic Fuel Injection, 20 in. Shaft, Power Tilt and Trim, 229 lb. Dry Weight, Digital Gauges, Nebular Black.

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.

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
Specifications
  • Recommended Transom Height: 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: Pearl Nebular Black

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