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Suzuki DF40A Outboard Motor Repower

$8,139.00

$6,511.00

In Stock
Sold and installed by Florida Outboard, Delray Beach FL

Motor price only. Shown at Suzuki's advertised price. Rigging, controls and installation are itemized on your quote — see typical installed pricing. Tax not included.

CONTROLS
SHAFT LENGTH
COLOR
Pearl Nebular Black
Description

In addition to being the only engine in the 40 HP class with DOHC performance, the DF40A is the only one with an oil-bathed, maintenance-free timing chain, which increases the outboard's longevity and ease of maintenance. With designs that are lighter and more compact than their predecessors, Suzuki's Lean Control System enhances fuel efficiency with greater displacements for increased power and performance. The Suzuki Troll Mode System is another feature of the new DF40A engines. At the 2011 Miami Boat Show, Suzuki Marine received the NMMA Innovation Award for the DF40A/DF50A from the Boating Writers of America.

Specifications
COLOR Pearl Nebular Black or Super Cool White
CONTROLS Mechanical
SHAFT LENGTH 20"
STARTING SYSTEM Electric
WEIGHT 229 LBS
ENGINE TYPE DOHC 12-Valve
FUEL DELIVERY Multi Point Sequential Electronic Fuel Injection
CYLINDERS 3
GEAR RATIO 2.27:1
DISPLACEMENT 57.4 in. (941 cc)
BORE AND STROKE 2.85 x 2.99 in. (72.5 x 76 cc)
OPERATING RPM RANGE 5000-6000
STEERING Remote (Tiller Kit Optional)
CHOKE N/A
OIL PAN CAPACITY 2.9 qt. (2.7 liters)
IGNITION SYSTEM Solid State Direct Ignition
ALTERNATOR 12V 19A
TRIM Power Trim and Tilt

Suzuki DF40A 40 HP Outboard Motor

3-Cylinder Compact Powerhead with Lean Burn Efficiency

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High-performance design with optimized airflow and reduced mechanical loss

Mechanically Efficient DOHC 12-Valve Engine

This outboard is powered by Suzuki’s proven in-line three-cylinder, 12-valve engine, the only DOHC powerhead in their class. With four valves per cylinder and an air intake system tuned for high-rpm efficiency, this engine delivers strong performance across the powerband. Suzuki engineers also redesigned key components, including a more efficient oil pump, to reduce mechanical loss. The result is smoother lubrication, improved fuel economy, and dependable long-term performance.

Oil-bathed chain with automatic tensioner for long-lasting durability

Self-Adjusting Timing Chain

Unlike other outboards in their class, this outboard features a timing chain instead of a belt. Running in an oil bath, the chain is self-adjusting and maintenance-free, providing boaters with years of dependable service and long-term durability.

Prevents over-tilting to protect boat and motor

Tilt Limit System

The tilt limit system safeguards against damage that can occur from excessive outboard tilting. Designed as both a tilt limiter and trim sender, it uses a step-free, continuous limiter that adapts easily to nearly any boat setup, ensuring safe operation and flexible installation.

Engine Specifications

Horsepower 40 HP
Cylinders 3
Shaft Length 20"
Weight 20" 229 lb
Steering External
Throttle & Shift Control Mechanical
Trim & Tilt Power Trim & Tilt
Starting Electric
Fuel Delivery Multi Point Sequential Electronic Fuel Injection

Suzuki Advanced Technologies

Powerful

  • 2.27 Gear Ratio – Provides solid torque for strong acceleration and dependable top-end performance.

Fuel Efficient

  • Lean Burn Control – Optimizes fuel mixture in real time for excellent economy across the RPM range.

Reliable

  • Self-Adjusting Timing Chain – Oil-bathed, maintenance-free chain designed to last the life of the engine.

Innovative

  • Troll Mode – Fine-tunes RPM in small increments for smooth, precise low-speed trolling.
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