The Suzuki DF25AS5 is a lightweight 25 HP EFI outboard built for boaters who prefer simplicity and durability. At just 136 lbs, this short shaft, tiller-steer model delivers smooth performance from its 3-cylinder SOHC 4-valve design while keeping maintenance easy with a manual start and manual trim & tilt system.
With electronic fuel injection, the DF25AS5 provides efficient fuel economy and dependable starting in all conditions. An optional 12V alternator is available for powering accessories. Saltwater-rated and equipped with Suzuki’s corrosion protection system, this outboard is perfect for small skiffs, jon boats, and freshwater or coastal fishing setups needing reliable, no-fuss power.

Suzuki DF25AS5 Specifications
| MODEL | DF25 AS5 | 
| WEIGHT | 136.0 lb | 
| MANUFACTURER | Suzuki | 
| COUNTRY OF MANUFACTURE | Thailand | 
| HORSEPOWER | 25 HP | 
| SHAFT LENGTH | 15" (Short) | 
| STEERING | Tiller | 
| STARTING | Manual | 
| TRIM & TILT | Manual | 
| FUEL DELIVERY | EFI | 
| FUEL TANK | External | 
| CYLINDER(S) | 3 | 
| DISPLACEMENT | 29.8 cu in (489 cc) | 
| BORE & STROKE | 2.80 x 2.68 in | 
| RPM RANGE | 5000 – 6000 RPM | 
| IGNITION SYSTEM | Digital CDI | 
| INDUCTION SCAVENGING | SOHC | 
| VALVES PER CYLINDER | 4 | 
| FUEL TYPE | Unleaded Gasoline (87 octane) | 
| OIL TYPE | SAE 10W-30 or SAE 10W-40 | 
| OIL CAPACITY | 1.6 qt (1.5 L) | 
| LUBRICATION | Wet Sump; Trochoid Type Cam-Driven Oil Pump | 
| ALTERNATOR | 12V 145W 12A (Optional) | 
| COOLING SYSTEM | Water-Cooled | 
| SALTWATER RATED | Yes | 
| GEAR RATIO | 2.09:1 | 
| GEAR SHIFT | Forward-Neutral-Reverse (front-mounted lever) | 
| PROPELLER | 3-Blade Aluminum 10.25" Dia. x 11" Pitch | 
| INTERNAL BATTERY | No | 
Engine Specifications
| Horsepower | 25 HP | 
|---|---|
| Cylinders | 3 | 
| Shaft Length | 15" | 
| Weight | 136.0 lb | 
| Steering | Tiller | 
| Throttle & Shift Control | Mechanical | 
| Trim & Tilt | Manual | 
| Starting | Manual | 
| Fuel Delivery | Electronic Fuel Injection | 
 
