With more torque (3.1% more for the DF150A and 2.7% more for the DF175A), as well as Suzuki’s proven offset driveshaft layout with 2-stage gear reduction, these new outboards generate more power throughout the full rpm range. Even on heavier, fully loaded boats, the DF150A and 175A take performance to the next level.
The DF150A and DF175A now share the same engine block used for our popular DF200A. Big displacement and precise mechanical design combine for quicker acceleration, whether out of the hole or in mid-range. We’re satisfying our customers’ desire for performance and improved fuel economy.
Fuel EfficientWith a combination of our Lean Burn technology, a semi-direct intake system and a high performance compression ratio of 10.2-to-1, these new outboards deliver clean, efficient power. Compared to the previous generation, the DF175A is 14% more fuel efficient and the DF150A shows a 7% improvement for significant savings at the fuel dock.
Ultra-ReliableThese new outboards take full advantage of Suzuki’s proven Ultimate 4-stroke technology to provide season after season of reliable performance. A knock sensor keeps the engine running smoothly for improved durability.
An O2 sensor improves engine efficiency and Suzuki’s water detecting system helps protect the engine from the effects of bad gas, which include poor combustion, lower power output and corrosion.
2-Stage Gear Reduction
2-Stage Gear ReductionThis 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.
■ 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.
Offset DriveshaftThe engine powerhead is offset closer to the transom, moving the outboard’s centre of gravity forward.
■ Less vibration
■ More compact engine
■ Stable steering performance
Multi-stage Induction System
Multi-stage Induction SystemIntake manifold pipes are switched between short and long ones during low speed and high speed operation to ensure the right volume of air enters the engine.
■ Increases output during high speed operation with greater volume of air input.
■ Increases combustion efficiency and maximises torque by increasing the density in the air intake during low speed operation.
VVT (Variable Valve Timing)
VVT (Variable Valve Timing)The Variable Valve Timing design is used to optimise the control of the opening and closing timing on the intake valve depending on the engine operation.
■ Offers smooth, powerful torque.
■ Provides tremendous acceleration during operation at all speed ranges.
Semi-direct Air Intake System
Semi-direct Air Intake SystemThis system brings cooler air directly into the multi-stage intake manifold, making it possible for the engine to operate more efficiently.
■ Greater acceleration and top-end speed.
O2 Sensor Feedback Control System
O2 Sensor Feedback Control SystemThe system monitors engine operating conditions to provide input to the ECM allowing it to manage the fuel/air mixture.
■ Enables emissions to be clean and stable.
■ Helps maintain optimum engine operating efficiency across the engine’s full operating range.
Lean BurnThe Lean Burn Control System supplies the right fuel and air mixture depending on the navigation conditions.
■ Significant improvement in fuel economy in all speed ranges especially at cruising speed.
■ Fuel use and expense are reduced thanks to improved fuel economy.
Suzuki Water Detecting System
Suzuki Water Detecting SystemDesigned to help protect the engine from moisture in the fuel utilising a water detecting fuel filter to alert the operator with both visual and audio warnings when water is present in the fuel.
■ Protects engine from poor combustion, lower power output, and corrosion.
Suzuki Anti-Corrosion System
Suzuki Anti-Corrosion SystemSpecial protection is applied to the aluminium surface using high strength bonding to protect the aluminium made exterior parts.
■ Protection against corrosion helps increase the overall engine durability
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|Recommended Transom Height||L: 508mm, X: 635mm|
|Weight||L: 235kg, X: 240kg|
|Valve Train||DOHC 16-Valve|
|Recommended Fuel||RON91 / AKI87|
|Gear Ratio||2.50 : 1 (Two-stage gear reduction)|
|Exhaust||Through Prop Hub Exhaust|
|Engine Type||In-line 4 cylinder, 4-stroke|
|Fuel Delivery System||Electronic Fuel Injection|
|Bore X Stroke||97 x 97mm|
|Full Throttle Operating Range||5,000 - 6,000rpm|
|Oil Pan Capacity||8.0L|
|Fuel Tank Capacity (L)||-|
|Trim Method||Power Trim and Tilt|
|Propeller Selection (Pitch)||15" - 27.5" (R/R)|
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