The Suzuki DF20AES5 is a 20 HP short shaft tiller outboard offering a balance of lightweight design and modern EFI performance. At just 106 lbs, it’s easy to transport and mount, making it ideal for boats with a 15" transom.
This model features electric start for convenience combined with manual tilt, giving boaters reliable operation without added complexity. Suzuki’s advanced battery-less EFI system ensures smooth running, improved acceleration, and excellent fuel economy.
With a robust 12V 10A alternator, it provides reliable power for onboard electronics. Saltwater-rated with Suzuki’s anti-corrosion protection, the DF20AES5 is built for durability in tough marine environments.

Suzuki DF20AES5 Specifications
| MODEL | DF20 AES5 |
| WEIGHT | 106.0 lb |
| MANUFACTURER | Suzuki |
| COUNTRY OF MANUFACTURE | Thailand |
| HORSEPOWER | 20 HP |
| SHAFT LENGTH | 15" (Short) |
| STEERING | Tiller |
| STARTING | Electric |
| 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 145W 10A |
| 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 | 106.0 lb |
| Steering | Tiller |
| Throttle & Shift Control | Mechanical |
| Trim & Tilt | Manual |
| Starting | Manual |
| Fuel Delivery | Electronic Fuel Injection |