Suzuki 20 HP Outboard Motor - Model DF20ATHLW5
The Suzuki DF20ATHLW5 is a lightweight, long shaft, tiller-steer outboard delivering 20 HP of efficient 4-stroke power. Weighing just 123 lbs, it’s among the lightest in its class and is packed with features designed for ease of use and performance.
Equipped with electric start and power tilt, this model also benefits from Suzuki’s battery-less EFI system, ensuring smooth acceleration, reliable starting, and excellent fuel economy without the need for an onboard battery. A 12V 10A alternator supports accessories, while Suzuki’s corrosion protection makes it fully saltwater-ready.
Additional engineering highlights include a redesigned lightweight build, Easy Start recoil system, and compact packaging, making the DF20ATHLW5 the go-to option for small boats and fishermen needing a reliable long shaft tiller motor.
Suzuki DF20ATHLW5 Specifications
| MODEL | DF20 ATHLW5 |
| WEIGHT | 123.0 lb |
| MANUFACTURER | Suzuki |
| COUNTRY OF MANUFACTURE | Thailand |
| HORSEPOWER | 20 HP |
| SHAFT LENGTH | 20" (Long) |
| STEERING | Tiller |
| STARTING | Electric |
| TRIM & TILT | Power Tilt |
| 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 | 5000 – 6000 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 | 20" |
| Weight | 123.0 lb |
| Steering | Tiller |
| Throttle & Shift Control | Mechanical |
| Trim & Tilt | Power Tilt |
| Starting | Electric |
| Fuel Delivery | Electronic Fuel Injection |