OutBoard Engine 150 HP-4 Stroke Suzuki DF150A
Suzuki's NEW DF150A is based on an inline four cylinder DOHC powerhead with a 2,867cm³ (174.9 cu.in.) displacement. This motor features "Lean Burn" technology for improved efficiency and a "High Compression" ratio of 10.2:1 for improved performance. While the large displacement contributes greatly to producing exceptional acceleration and torque, it doesn't mean that they are comparatively larger and heavier in size
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Introduction
Suzuki's NEW DF150A is based on an inline four cylinder DOHC powerhead with a 2,867cm³ (174.9 cu.in.) displacement. This motor features "Lean Burn" technology for improved efficiency and a "High Compression" ratio of 10.2:1 for improved performance. While the large displacement contributes greatly to producing exceptional acceleration and torque, it doesn't mean that they are comparatively larger and heavier in size. On the contrary, Suzuki's engineers have targeted this big block motor to be one of the lightest four strokes in the 150 HP class.
Setting a New Benchmark for Four-Stroke Performance
Our engineers took advantage of advances made in four-stroke engine technology and performance in designing the most powerful four-cylinder outboards Suzuki has ever built.
Features Highlights
The Large Displacement and Lightweight Four-Strokes
Suzuki's talent for delivering high-end power from compact designs is clearly evident in this pair of in-line four-cylinder outboards. Turning the key unleashes big block performance from their 2,867cm3 powerheads but while their large displacement contributes greatly to producing exceptional acceleration, it doesn't mean that they are comparatively larger and heavier in size. On the contrary, Suzuki's engineers have designed these big block motors to be compact and lightweight.
Transferring Power Into Speed
The DF150 is designed to swing a larger diameter prop and feature a more aggressive gear ratio. The combination of larger prop and lower gear ratio delivers superior holeshot, which is especially valued on high-performance boats.
Fuel Efficient Operation Through Suzuki Technology
The DF150 delivers amazing performance but not at the expense of economy. Utilizing a 32-bit onboard computer to optimize electronic fuel injection performance, the DF150 offers superior fuel economy, conform to EURO 1 emission standards, and have received a three-star rating from the California Air Resources Board (CARB).
Conveniences That Make Operating a Pleasure
Suzuki outboards are designed with features that make your boating experience that much more pleasurable. The DF150 incorporates high output alternators to keep an assortment of electronics up and running, water-cooled voltage regulators with isolators that allow use of two batteries, and a conveniently located fuse box. Also featured are tilt limit switch and two engine flush ports
Technology
PERFORMANCE
DURABILITY AND RELIABILITY
EASE AND COMFORT
Offset Driveshaft
The engine powerhead is offset closer to the transom, moving the outboard’s center of gravity forward.
ADVANTAGE
Less vibration
More compact engine
Stable steering performance
2-Stage Gear Reduction
This system which incorporates the Offset Driveshaft features a first stage reduction between the crankshaft and drive shaft and a second stage reduction inside the gear case. This design makes a larger gear ratio possible, allowing it to turn a large diameter propeller for high propulsive efficiency while providing greater torque.
ADVANTAGE
High propulsive efficiency with large diameter propeller.
Powerful navigation, maintaining propeller rotation even with a larger load.
Power to turn large diameter propellers, offering quick acceleration.
Semi-Direct Air Intake System
This system brings cooler air directly into the multi- stage intake manifold, making it possible for the engine to operate more efficiently.
ADVANTAGE
Greater acceleration and top-end speed.
Suzuki Water Detecting System
Designed to help protect the engine from moisture in the fuel utilizing a water detecting fuel filter to alert the operator with both visual and audio warnings when water is present in the fuel.
ADVANTAGE
Protects engine from poor combustion, lower power output, and corrosion.
Suzuki Anti-Corrosion System
Suzuki Anti-Corrosion System
Special protection is applied to the aluminum surface using high strength bonding to protect the aluminum made exterior parts.
ADVANTAGE
Protection against corrosion helps increase the overall engine durability.
Semi-Direct Air Intake System
This system brings cooler air directly into the multi- stage intake manifold, making it possible for the engine to operate more efficiently
O2 Sensor Feedback Control System
This system provides accurate, real-time information Delete the ECU uses to manage the fuel/ air ratio as operating conditions change.
Lean Burn
The Lean Burn Control System supplies the right fuel and air mixture depending on the navigation conditions.
Multi-Stage Induction System
Intake manifold pipes are switched between short and long ones during low speed and high speed operation to ensure the right volume of air entering the engine.
SPECIFICATIONS
| MODEL | DF150A |
| RECOMMENDED TRANSOM HEIGHT mm (in.) | L:508 (20), X:635 (25) |
| STARTING SYSTEM | Electric |
| WEIGHT kg *1 | L:235, X:240 |
| ENGINE TYPE | DOHC 16-Valve |
| FUEL DELIVERY SYSTEM | Multi-Point Sequential Electronic Fuel Injection |
| NO. OF CYLINDERS | In-Line 4 |
| PISTON DISPLACEMENT cm3(cu.in.) | 2,867 (174.9) |
| BORE × STROKE mm (in.) | 97 × 97 (3.81× 3 .81) |
| MAXIMUM OUTPUT kW (PS) | 110.0 (150) |
| FULL THROTTLE OPERATING RANGE rpm | 5,000-6,000 |
| STEERING | Remote |
| OIL PAN CAPACITY Lit. (U.S. qt) | 8.0 (8.5) |
| IGNITION SYSTEM | Fully-transistorized |
| ALTERNATOR | 12V 44A |
| ENGINE MOUNTING | Shear Mount |
| TRIM METHOD | Power Trim and Tilt |
| GEAR RATIO | 2.50:1 |
| GEAR SHIFT | F-N-R |
| EXHAUST | Through Prop Hub Exhaust |
| PROPELLER SELECTION | (Pitch) *2 |
| 3 blades and 4 blades propeller are available. | 15"-27.5"(R/R), 17"-26(C/R) |