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Fours to be Reckoned With.
These powerful four-cylinder 4-strokes have a chip on their shoulders. Actually it's more like a block a big-block inline power head with a class leading 174.9 cu. in. of displacement. Suzuki's DF150 and DF175 may be compact and lightweight, but they pack a heavy punch. All these cubes, together with advanced features like dual overhead cams, enhanced air intake system with multi-stage induction, variable valve timing (DF175) and sequential multi-point electronic fuel injection ensure plenty of smooth power on tap. Superior torque and powerful gearing with a 2.5:1 final drive ratio help even heavy boats jump out of the hole and quickly accelerate to eye-watering top speeds.

THESE ARE SMOOTH OPERATORS too, thanks to Suzuki's specially designed counter balancer and a new thrust mount system that helps absorb vibrations and improves boat performance. Bass fishing, bay fishing or blue water, Suzuki's DF150 and DF175 are powerful matches for any boat in fresh or salt water.

- Sequential Multi-Point Fuel Injection
- Counter Rotation Available
- Clean and Efficient
- Dual Flush Ports
- Idle Air Control
- Unique Low Gear Ratio
- One-Piece Forged Crankshaft
- Big Block Design - 2.9 Liter
- Oil-Bathed Timing Chain
- CARB Rating: 3-Star Ultra-Low Emission
- Offset Driveshaft
- Tilt Limit Switch
- Tuned Intake System
- 16 Valve DOHC (Dual Overhead Cam) Design
- EZ Oil Drain Plug
- 3 + 3 Protection available option
- Water-Cooled Fuel Rail
- Battery Isolator
- On-Board Computer Diagnostics
- Forged Lightweight Pistons
- Cool Air Intake System
- Multi Stage Air Induction
- Two-Stage Mixed Cam System
- Continuously Variable Valve Timing
- Direct Ignition



Parts Manual

Service Manual

Owners Manual

What year is my engine?

    Alternator: 12V 44A
Manufacturer: SUZUKI Cooling:
Make: DF175 Ignition: Solid State Electronic
Year: Starting: Electric w/ Suzuki EFI
Engine Type: 175 HP 4-STROKE Exhaust:
Horsepower: 175 Trim: Power Trim and Tilt
Displacement: 174.9/2867(in/cc) Fuel Induction: EFI Multi Stage Induction
Bore/Stroke: 3.81x3.81/97x97(in/mm) Lubrication: Wet sump
Cylinders: 4 (In-line) Steering Remote
RPM: 5500-6100    
Weight: 474/215.5(lbs/kg) PRICING These prices are the "Manufacturer Suggested Retail Prices" (MSRP). These are just for comparison.
Gear Ratio: 2.50:1 US: dollars
Shaft lenght: 20 or 25/508 or 635(in/mm) UK: 13.699 pounds
Gears: Netherlands: 16.599 - 16.899 euros
    France: 17.754 - 18.709 euros
    Australia: dollars

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