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Suzuki Marine is recognised worldwide for making advanced technology and features available to boaters of all types – not just those who run the largest, highest-horsepower outboards. This tradition continues with Suzuki’s DF115BG and DF140BG 4-stroke outboards, the first in their class to offer all the advantages of drive-by-wire technology.

By bringing its proven drive-by-wire technology to its 115HP and 140HP in-line four-cylinder models, Suzuki is providing simplified rigging for a wide range of boat builders, along with silky smooth shifting, instant throttle response, enhanced performance and superior fuel efficiency. The reliability and precision control of Suzuki’s drive-by-wire technology has been proven for years on Suzuki’s popular 150HP through 350HP models.

Enhancements to Suzuki’s new DF115BG / DF140BG go far beyond the integration of drive-by-wire technology. An upgraded compression ratio of 10.6:1 helps these new 2.0-litre displacement outboards achieve better top speed and acceleration by improving thermal efficiency. Fuel efficiency has also been increased as compared to Suzuki’s existing DF115A / DF140A models. Tests have demonstrated as much as 5% to 7% improvement for the DF140BG across mid-range to high-end cruising speeds, while the new DF115BG has demonstrated up to 5%-6% better fuel efficiency at cruising speed.

Other improvements include a 40-amp alternator on both models that delivers improved output and better charging performance at low idle speeds – ideal for today’s power-hungry fishing boats that spend a lot of time trolling. While much has changed under the cowl, some enhancements to the new DF115BG / DF140BG are obvious to the eye. The engine itself features a sporty, streamlined exterior design that looks great on centre consoles, flats skiffs, pontoon boats, walleye rigs, bass boats and more. With 20-inch (L) and 25- inch (X) shaft lengths available, the new DF115BG / DF140BG outboards are an ideal power choice for a wide range of fresh and saltwater boats. Both new outboards boast new graphics and are available in Suzuki Pearl Nebular Black and new-for-2021 Super Cool White colour schemes.

The redesigned cowl also incorporates a new air-intake structure with improved water separation and a silencer-resonator system to attenuate engine sounds and provide a pleasant boating experience at all engine speeds/RPM.

To make routine maintenance easier, Suzuki made it possible to replace the oil filter simply by removing the upper engine cover. A new Oil Spill Catcher surrounding the oil filter mount allows for changing the filter without making a mess. Suzuki also added an easy access Water Detection Fuel Filter to help protect the engine against contaminated fuel.

Suzuki bring new technology and performance to this important class of outboard motor. These are not only the world’s first 4-stroke outboards in their class to include factory drive-by-wire technology; they feature a new design, a new look and enhanced performance for a wide range of boats around the world. In the Suzuki tradition, they have delivered what the market and boat builders have told them they want..

To learn more about the DF115BG and DF140BG models or Suzuki’s entire line-up of premium quality 4-stroke outboard motors ranging from 2.5 to 350 horsepower, visit





Published in print January-March 2022