DF Series: The DF (Four-Stroke) series is Suzuki’s main lineup of four-stroke outboard engines. These engines offer a balance of performance, fuel efficiency, and reliability. The DF series includes a wide range of horsepower options, from 9.9 horsepower to 350 horsepower, catering to different boat sizes and applications.
| Model Specifications Mechanical Series | DF250 | DF200 | DF150 | DF140 | DF115 | DF100 | DF60 |
| Starting System | Electric | Electric | Electric | Electric | Electric | Electric | Electric |
| Recommended Transom Height (inches) | L: 508 (DF200 only), X: 635, XX: 762 | L: 508 (DF200 only), X: 635, XX: 762 | L:508, X:635 | L: 508, X: 635 | L: 508, X: 635 | L: 508, X: 635 | S:381, L:508, X:635 |
| Weight (lbs) | L: 264 (Counter Rotation Model Available), X: 275, XX: 284 | L: 264 (Counter Rotation Model Available), X: 275, XX: 284 | L:232, X:237 | DF140A L: 179, X: 184 | DF115A L: 182, X: 187 | L: 157, X: 161 | S:102, L:104, X:107 |
| Engine Type | DOHC 24-Valve | DOHC 24-Valve | DOHC 16-Valve | DOHC 16-Valve | DOHC 16-Valve | DOHC 16-Valve | DOHC 12-Valve |
| Fuel Delivery System | Multi-Point Sequential Electronic Fuel Injection | Multi-Point Sequential Electronic Fuel Injection | Multi-Point Sequential Electronic Fuel Injection | Multi-Point Sequential Electronic Fuel Injection | Multi-Point Sequential Electronic Fuel Injection | Multi-Point Sequential Electronic Fuel Injection | Multi-Point Sequential Electronic Fuel Injection |
| No. Of Cylinders | V6 (55-degree) | V6 (55-degree) | 4 | 4 | 4 | 4 | 3 |
| Piston Displacement inches (cc) | 3,614 | 3,614 | 2,867 | 2,044 | 2,044 | 1,502 | 941 |
| Bore X Stroke Inches (mm) | 95 x 85 | 95 x 85 | 97 × 97 | 86 x 88 | 86 x 88 | 75 x 85 | 72.5 × 76 |
| Maximum Output HP | 184 | 147 | 110 | DF140A: 103.0 | DF115A: 84.6 | 73.6 | 44.1 |
| Operating Range (RPM) | 5,500-6,100 | 5,000-6,000 | 5,000-6,000 | DF140A: 5,600-6,200 | DF115A: 5,000-6,000 | 5,700-6,300 | 5,300-6,300 |
| Steering | Remote | Remote | Remote | Remote | Remote | Remote | Remote |
| Oil Pan Capacity quarts (liter) | 8 | 8 | 8 | 5.5 | 5.5 | 4 | 2.7 |
| Fuel Tank Capacity (liter) | 25 (Optional) | 25 (Optional) | |||||
| Ignition System | Fully-transistorized | Fully-transistorized | Fully-transistorized | Fully-transistorized | Fully-transistorized | Fully-transistorized | Fully-transistorized |
| Alternator | 12V 54A | 12V 54A | 12V 44A | 12V 40A | 12V 40A | 12V 27A | 12V 19A |
| Engine Mounting | Shear Mount | Shear Mount | Shear Mount | Shear Mount | Shear Mount | Shear Mount | Shear Mount |
| Trim Position | Power Trim and Tilt | Power Trim and Tilt | Power Trim and Tilt | Power Trim and Tilt | Power Trim and Tilt | Power Trim and Tilt | Power Trim and Tilt |
| Gear Ratio | 2.29:1 | 2.29:1 | 2.50:1 | 2.59:1 | 2.59:1 | 2.59:1 | 2.27:1 |
| Gear Shift | F-N-R | F-N-R | F-N-R | F-N-R | F-N-R | F-N-R | F-N-R |
| Exhaust | Through Prop Hub Exhaust | Through Prop Hub Exhaust | Through Prop Hub Exhaust | Through Prop Hub Exhaust | Through Prop Hub Exhaust | Through Prop Hub Exhaust | Through Prop Hub Exhaust |
| Drive Protection | – | – | – | – | – | Rubber Hub | – |
| Propeller Selection | 15″-27.5″ | 15″-27.5″ | 15″-27.5″ | 15″-25″ | 15″-25″ | 13″-23″ | 9″-17″ |
