The Suzuki DF4AS5 delivers reliable 4 HP performance in a compact and portable design. Weighing just 52 lbs, this short shaft outboard is easy to transport and mount, while the OHV single-cylinder engine with Digital CDI ignition ensures smooth and dependable operation. Designed with user convenience in mind, the DF4AS5 features a comfortable carrying handle, three-way storage capability, and an internal fuel tank for simplicity. It’s also pre-equipped for external fuel tank connections, allowing longer run times and extended boating adventures. With water cooling, saltwater durability, and a full forward-neutral-reverse gear shift, this motor is built for boaters who demand lightweight power and versatility.

Suzuki DF4AS5 Specifications
| MODEL | DF4 AS5 | 
| WEIGHT | 52.0 lb | 
| MANUFACTURER | Suzuki | 
| COUNTRY OF MANUFACTURE | Thailand | 
| HORSEPOWER | 4 HP | 
| SHAFT LENGTH | 15" (Short) | 
| STEERING | Tiller | 
| STARTING | Manual | 
| TRIM & TILT | Manual | 
| FUEL DELIVERY | Carburetor | 
| FUEL TANK | Internal | 
| CYLINDER(S) | 1 | 
| DISPLACEMENT | 138 cc (8.4 cubic inches) | 
| BORE & STROKE | 2.38 x 1.89 inches | 
| RPM RANGE | 4000 – 5000 RPM | 
| IGNITION SYSTEM | Digital Capacitor Discharge Ignition System | 
| INDUCTION SCAVENGING | OHV | 
| VALVES PER CYLINDER | 2 | 
| FUEL TYPE | Unleaded Gasoline (87 octane) | 
| OIL TYPE | SAE 10W-30 or SAE 10W-40 | 
| OIL CAPACITY | 24 fl oz. (700 mL) | 
| LUBRICATION | Wet Sump | 
| ALTERNATOR | Optional 12V 5A (installation required) | 
| COOLING SYSTEM | Water-Cooled | 
| SALTWATER RATED | Yes | 
| GEAR RATIO | 1.92:1 | 
| GEAR SHIFT | Forward-Neutral-Reverse (starboard side lever) | 
| PROPELLER | 3-Blade Aluminum 7.5" Dia. x 6.5" Pitch | 
| INTERNAL BATTERY | No | 
Engine Specifications
| Horsepower | 4 HP | 
|---|---|
| Cylinders | 1 | 
| Shaft Length | 15" | 
| Weight | 52.0 lb | 
| Steering | Tiller | 
| Throttle & Shift Control | Mechanical | 
| Trim & Tilt | Manual | 
| Starting | Manual | 
| Fuel Delivery | Carburetor | 
 
