DF90/80/70

DF90/80/70

DF90/80/70

Product catalog summary
Specifications Overview
The document provides detailed specifications for Suzuki's DF70, DF80, and DF90 outboard motors. These models are four-stroke engines with DOHC 16 valves and feature a Multi Point Sequential Electronic Fuel Injection system. The shaft lengths are 510 mm (20 inches) for L models and 637 mm (25 inches) for X models. They are equipped with an electric starting system and have a weight of 155 kg (341 lbs) for L models and 158 kg (348 lbs) for X models. The engines have an inline 4-cylinder configuration with a piston displacement of 1,502 cm³ (91.7 cu.in.). The maximum output ranges from 51.5 kW (70 PS) at 5500 rpm to 66.2 kW (90 PS) at 5800 rpm, with a full throttle operating range of 5000–6300 rpm.
Design and Engineering Innovations
Suzuki has introduced several engineering advancements in these models, including a compact design facilitated by an offset driveshaft and a newly designed powerhead. This results in a smaller and lighter outboard, making it suitable for a wide range of boats. The DF90 is noted as the lightest and most compact in its class. The engines also feature a two-stage gear reduction system, providing a powerful 2.59:1 final drive ratio for improved torque and acceleration.
Fuel Efficiency and Environmental Standards
The DF70/80/90 models incorporate Suzuki's Lean Burn Control System, which optimizes fuel efficiency by using a lean air-fuel ratio. This system predicts fuel needs based on operating conditions, enhancing fuel economy and reducing emissions. All models meet CARB 3-Star Ultra-Low Emissions standards, ensuring clean operation.
User-Friendly Features
The outboards are equipped with a high-output alternator generating 27A, sufficient to power marine electronics at low rpm. The Suzuki Easy Start System simplifies engine starting, and the anti-corrosion finish enhances durability. The models also feature dual engine flush ports for easy maintenance and a new trim and tilt limit system to prevent damage during operation.
Performance and Efficiency
The document highlights the high performance of these outboards, with features like a streamlined gear case and efficient propeller design contributing to faster acceleration and higher top speeds. The timing chain with an automatic hydraulic tensioner ensures maintenance-free operation.
Conclusion
Suzuki's DF70/80/90 outboards represent a new standard in four-stroke engines, combining compact design, advanced engineering, and environmental responsibility. These models offer enhanced performance, fuel efficiency, and user-friendly features, making them ideal for a variety of boating applications.
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Catalog excerpts

DF90/80/70-1

* With battery cable, without propeller & engine oil. ** Boats and motors come in a large variety of combinations. See your authorized dealer for correct prop, selection to meet recommended RPM range at W.O.T. Please read your owner's manual carefully. Remember, boating and alcohol or other drugs don't mix. Always use a personal flotation devise. Please operate your outboard safely and responsibly. Suzuki encourages you to operate your boat safely and with respect for the marine environment. Specifications, appearances, equipment, colors, materials and other items of "SUZUKI" products shown on this catalogue are subject to change by manufacturers at any time without notice and they may vary depending on local conditions or requirements. Some models are not available in some territories. Each model might be discontinued without notice. Please inquire at your local dealer for details of any such changes. Actual body color might differ from the colors in this brochure. SUZUKI MOTOR CORPORATION 300 TAKATSUKA, MINAMI, HAMAMATSU, JAPAN

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DF90/80/70-2

A New Standard in Four-Strokes From Ten years after starting the four-stroke revolution with its award winning DF60 and DF70 outboards, Suzuki is re-inventing the category with three new models, the DF70, DF80, and DF90. As the first of Suzuki's new generation four-strokes, they are a showcase of advancements and achievements-such as digital sequential electronic fuel injection, a powerful 2.59:1 final drive ratio, and a zero-maintenance self-adjusting timing chain-that Suzuki has pioneered over the last ten years. They also feature Suzuki's proven offset drive shaft which, used in combination...

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DF90/80/70-3

Creating a Fuel Efficient Outboard High Performance Features Suzuki Lean Burn Control System The lean burn control system Is designed to run on a thinner fuel mixture through the use of a lean air-fuel ratio. Suzuki engineers designed a system that predicts fuel needs according to operating conditions. It achieves added fuel economy through a reduction of pumping loss. In order to balance fuel efficiency with clean emissions, the system sets up air-fuel ratio taking advantage of the reaction characteristics of exhaust emissions. The system also has a wide lean burn range that extends up Into...

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DF90/80/70-4

High Performance Features Streamlined Gear Case and Highly Efficient Propeller The lower gear case on all three outboard motors utilizes a hydrodynamic design that was first introduced on the flagship DF300. As the lower unit moves through the water its sleek form reduces drag by up to 36% compared to conventional designs, contributing to faster acceleration Thanks to the robust torque delivered with Suzuki's two- stage gear reduction, these outboards can turn a large diameter propeller. Suzuki engineered a new highly efficient propeller that takes advantage of this torque to provide faster acceleration...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.