Suzuki 90HP

The Suzuki 90 HP is a four-stroke, 4-cylinder outboard motor with DOHC 16-valve technology and multi-point sequential electronic fuel injection (EFI) for smooth, efficient performance.

It delivers 90 horsepower, making it a solid mid-range option for a variety of small to medium boats.

Suzuki recommends regular unleaded gasoline, typically RON 91 / AKI 87 octane or higher for best engine performance.

Yes — the DF90 uses multi-point sequential EFI, which improves throttle response, fuel efficiency, and starts in a range of temperatures.

It’s ideal for center console fishing boats, pontoons, small cruisers, and similar craft, typically between about 16 ft to 24 ft, depending on load and hull design. (General marine use)

Yes — the Suzuki 90 HP comes with electric start for easy, reliable starting.

Common shaft lengths include 20″ (508 mm) and 25″ (635 mm) to suit different transom heights and boat configurations.

Yes — power trim and tilt is included, letting you adjust the motor’s angle for optimal performance and handling.

Thanks to Suzuki’s Lean Burn Control System, which optimizes the air-fuel mixture for current conditions, this motor tends to be very fuel efficient, especially at cruising speeds.

The recommended wide-open throttle operating range is about 5,300 – 6,300 rpm for good performance and longevity.

Dry weight is around 156–160 kg (343–352 lb) depending on shaft length (without propeller or engine oil.

Yes — it includes systems like: Suzuki Easy Start System (starts like a modern car) Dent-free self-adjusting timing chain Optional Suzuki Troll Mode System for steady low-speed control Anti-corrosion finish for saltwater protection.

Yes — it’s designed for both freshwater and saltwater use, but flush with fresh water after saltwater outings to reduce corrosion and keep cooling passages clean.

Typical propeller pitch ranges from about 13″ to 25″ for a good balance of acceleration and efficiency, but check with your dealer for exact match.

Oil and filter changes every ~100 hours or annually Lower unit gear oil changes Water pump/impeller inspections Fuel filter inspection These steps help maintain performance and engine health. (Based on general Suzuki Marine practice) .

Yes — warning indicators and alarms for low oil pressure or overheating help protect the engine from damage (as described in Suzuki Marine maintenance info).

Yes — most DF90 outboards include freshwater flushing ports to connect a garden hose for easy flushing after use.