Today’s outboards must be highly economical and deliver environmentally responsible operation. Using our unique vision and innovative technologies, we at Suzuki are constantly seeking new ways to provide our customers all over the world with outboards that meet these requirements and deliver satisfaction and excitement.
The DF40A, 50A and 60A are the latest addition to Suzuki’s fleet of fuel-efficient new generation four-stroke outboard motors. Suzuki engineers have combined a high performance DOHC (dual overhead cam) engine with Suzuki’s Lean Burn Control System to create an outboard that delivers superior power and performance along with top-level fuel economy.
Based on Suzuki’s proven in-line three-cylinder design with four valves per cylinder, this engine design utilizes a highly efficient air intake system that delivers maximum effectiveness in the high rpm range for high performance power. These are the only engines in the 40 / 50 / 60 HP outboard class to offer DOHC performance, and also the only engines in this class to incorporate a maintenance-free, oil-bathed timing chain, which provides increased durability. Additional features include electronic fuel injection, Suzuki’s easy start system, and a large capacity 19A alternator.
With larger displacements for increased power and performance, Suzuki’s Lean Burn Control System for improved fuel economy, and designs that are more compact and lighter in weight than their predecessors, the DF40A, DF50A and DF60A are an excellent choice for today’s boaters.
Mechanically Efficient DOHC 12-Valve Engine
Suzuki engineers based this design utilizing Suzuki’s proven in-line three-cylinder 12-valve engine. This high performance engine has a displacement of 941cm3 and features a DOHC powerhead—the only DOHC engine used in the 40 / 50 / 60 HP outboard class—with four valves per cylinder, and an air intake system optimized for maximum efficiency in the high rpm range. When designing this engine, Suzuki engineers also focused on improving mechanical efficiency. Each component was analyzed and redesigned to reduce mechanical loss in order to improve efficiency. As an example, a new oil pump design makes internal oil flow more efficient, keeping moving parts better lubricated while using less energy. The combined reduction in mechanical loss throughout the engine contributes to better fuel economy. that at medium speeds, the DF50A achieves a 23% improvement in fuel consumption than its predecessor.
Suzuki Easy Start System
Starts are quick and easy with Suzuki’s Easy Start System. No need to hold the key, just turn it once and the starter system stays engaged until the engine starts. The system delivers smoother and improved starts to get you up and running quicker.
Maintenance Free Timing Chain
The DF40A / 50A / 60A are the only outboards in this outboard class to incorporate a timing chain. The chain is oil-bathed, self adjusting, and maintenance free to provide boaters with years of dependable service.
Large Capacity 19A Alternator
The DF40A / 50A / 60A are equipped with a powerful 19A alternator that generates approximately 11.5A even with the engine running at a low 1,000 rpm. Under normal circumstances that’s enough power to keep an assortment of marine electronics operating in most situations.
New Tilt Limit System
The DF60A incorporates a new tilt limit system to help protect the boat from damage that can occur when tilting the outboard. The design incorporates both the functions of a tilt limit and trim sender, and uses a step-free, continuous type tilt limiter that allows installation of the outboard on nearly any type of boat.
Multi-Point Sequential Electronic Fuel Injection
Suzuki pioneered the use of multi-point sequential electronic fuel injection in four-stroke outboards. This advanced, time-tested system gathers operating data from a series of sensors located in key areas on the engine, processes the data and calculates the optimum amount of fuel and air needed for the engine—all in real time. Boaters benefit with smooth starts, maximum operating efficiency, excellent fuel economy, and reduced emissions.
Anti Corrosion System
Suzuki protects the outboard’s exterior from harmful corrosion with its own specially formulated anti-corrosion finish. Applying the finish directly to the outboard’s aluminum surface, allows maximum bonding of the finish to the surface to increase durability and help protect parts that are constantly exposed to saltwater.
Suzuki Troll Mode System
Suzuki has something new for the “Fishing Aficionados”, the “Suzuki Troll Mode System”. Fishermen know that precise control of trolling speed makes a tremendous difference in the presentation of bait and lures – and the resulting catch. New DF40A, DF50A, DF60A, DF70A and DF90A outboards will come equipped with this system. The operator can increase or decrease the engine speed in 50 rpm increments with the simple touch of an optional function rocker switch located near the helm. The Suzuki Troll Mode System can be utilized with an “in gear” (forward or reverse) engine operating range from idle – 1200 rpm.