The Suzuki DF20AS5 is a 20 HP short shaft EFI outboard that combines lightweight design with dependable 4-stroke performance. At just 97 lbs, it’s the lightest in its class, making it ideal for skiffs, tenders, and small fishing boats requiring a 15" transom.
This model features manual start and manual tilt for simplicity and reliability while still benefiting from Suzuki’s advanced battery-less EFI system, which ensures smooth running, easy starts, and excellent fuel efficiency without the need for a battery. Its compact engineering includes an Easy Start recoil system and lightweight construction for easy handling.

Suzuki DF20AS5 Specifications
| MODEL | DF20 AS5 | 
| WEIGHT | 97.0 lb | 
| MANUFACTURER | Suzuki | 
| COUNTRY OF MANUFACTURE | Thailand | 
| HORSEPOWER | 20 HP | 
| SHAFT LENGTH | 15" (Short) | 
| STEERING | Tiller | 
| STARTING | Manual | 
| TRIM & TILT | Manual | 
| FUEL DELIVERY | EFI | 
| FUEL TANK | 3.1 Gallon External Tank & Fuel Line (Included) | 
| CYLINDER(S) | 2 | 
| DISPLACEMENT | 327 cc (20.0 cu in) | 
| BORE & STROKE | 60.4 x 57 mm (2.38 x 2.24 in) | 
| RPM RANGE | 5300 – 6300 RPM | 
| IGNITION SYSTEM | Digital CDI | 
| INDUCTION SCAVENGING | SOHC | 
| VALVES PER CYLINDER | 2 | 
| FUEL TYPE | Unleaded Gasoline (87 octane) | 
| OIL TYPE | SAE 10W-30 or SAE 10W-40 | 
| OIL CAPACITY | 33.8 fl oz (1000 mL) | 
| LUBRICATION | Wet Sump; Trochoid Type Cam-Driven Oil Pump | 
| ALTERNATOR | 12V 80W 6A (Optional) | 
| COOLING SYSTEM | Water-Cooled | 
| SALTWATER RATED | Yes | 
| GEAR RATIO | 2.08:1 | 
| GEAR SHIFT | Forward-Neutral-Reverse (front-mounted lever) | 
| PROPELLER | 3-Blade Aluminum 9.25" Dia. x 9" Pitch | 
| INTERNAL BATTERY | No | 
Engine Specifications
| Horsepower | 20 HP | 
|---|---|
| Cylinders | 2 | 
| Shaft Length | 15" | 
| Weight | 97.0 lb | 
| Steering | Tiller | 
| Throttle & Shift Control | Mechanical | 
| Trim & Tilt | Manual | 
| Starting | Manual | 
| Fuel Delivery | Electronic Fuel Injection | 
 
