
Suzuki DF175AP 175HP – Precision Control 25-Inch Shaft
The Suzuki DF175AP utilizes a 2867cc DOHC 16-valve engine with electronic drive-by-wire rigging, built for offshore platforms on a 25-inch shaft. It spins a 2.50:1 two-stage reduction gearcase.
- 2867cc DOHC block delivers 175hp
- Suzuki Precision Control eliminates mechanical drag
- 25-inch shaft matches deep offshore transoms
Advanced Big-Block Technology
The big-block 2.9L engine technology utilizes a dual overhead cam design to maximize airflow and thermal efficiency. This sophisticated architecture helps support consistent power delivery across the entire RPM band, providing the mechanical integrity needed for heavy-load coastal transit and high-speed offshore navigation in marine North American saltwater environments.
Digital Fuel Induction
The Multi-Point Sequential fuel induction system monitors atmospheric variables to provide the appropriate combustion ratio. This EFI technology is designed to support instant starting and prevents engine bogging, completely eliminating carburetor-related maintenance while ensuring rapid acceleration and optimized fuel economy during long-range coastal trips in the professional maritime sector.
Extra-Long Shaft Authority
This outboard’s hole-shot performance is stabilized by a 25-inch hydrodynamic shaft designed for extra-high offshore transoms. Its profile helps support consistent propeller grip in rolling swells, providing the captain with boat control during complex harbor maneuvers while navigating with professional marine motor systems for high-speed deep-water transits.
Suzuki 175HP Warranty
This Suzuki 175HP is backed by a comprehensive 3-Year Limited Warranty for American boat owners. This factory-level protection covers structural and mechanical defects, ensuring access to genuine replacement parts and certified technicians through a vast nationwide dealer network, reflecting a deep commitment to long-term maritime reliability and support.
High-Transom Vessel Match
This unit application is for high-transom walkarounds and offshore center consoles requiring strong power. Its big-block torque and extra-long shaft reach make it perfectly suited for coastal tournament fishing or as a dependable primary power source for large recreational vessels requiring sustained maritime authority offshore.
Maintenance & Longevity
Maintaining clean oil in the 8.0-liter wet sump system is vital for preserving engine tolerances. Freshwater flushing after every mission prevents internal salt deposits and maintains the cooling system health in saltwater.Maintenance note: Follow the manufacturer’s service procedures and lubrication specifications for the engine and gearcase.
Product Specifications
SUZUKI DF175AP (25-Inch) Full Specs
| Engine type | Inline 4-Cylinder DOHC 16-Valve |
|---|---|
| Displacement | 2867 cc (175 cu in) |
| Bore x stroke | 97 x 97 mm (3.81 x 3.81 in) |
| Horsepower | 175hp @ 5800 RPM |
| Full-throttle rpm range | 5500 - 6100 RPM |
| Compression ratio | 10.2:1 |
| Fuel induction | Multi-Point Sequential Electronic Fuel Injection |
| Recommended fuel | 87 Octane / 10% Ethanol |
| Ignition | Fully-transistorized |
| Alternator output | 12V 44A |
| Gear ratio | 2.50:1 |
| Gear shift | Suzuki Precision Control (Electronic) |
| Shaft length | 25 inch |
| Dry weight | 529 lbs (240 kg) |
| Controls | Suzuki Precision Control (Drive-by-Wire) |
| Steering | Remote |
| Trim and tilt | Power Trim and Tilt |
| Exhaust | Through Propeller |
| Cooling system | Water Cooled w/ Thermostat |
| Lubrication | Wet Sump |
| Oil capacity | 8.5 Quarts (8.0 Liters) |
| Emissions rating | EPA 2013 / C.A.R.B. 3-Star |
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