Suzuki DF25A Portable vs Mercury 25hp EFI (3-Cyl)
DF25A Portable
25hp EFI (3-Cyl)
| Spec | Suzuki DF25A Portable | Mercury 25hp EFI (3-Cyl) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 25 HP | 25 HP |
| Displacement | 489 cc | 526 cc ← |
| Configuration | 2 Cyl / Inline | 3 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 62 kg (137 lbs) ← | 78 kg (172 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 2.09:1 | 1.92:1 |
| Alternator | 180 W | 210 W ← |
| Fuel Delivery | Sequential EFI | EFI |
| Maintenance | ||
| Spark Plug | NGK CPR6EA-9 | NGK DCPR6E |
| Engine Oil | 10W-40 FC-W | 10W-30 FC-W |
Technical Comparison Analysis
Power & Displacement
Comparing the Suzuki DF25A Portable and Mercury 25hp EFI (3-Cyl) shows a displacement difference of 37cc. The Mercury features a larger 526cc block, which typically provides superior low-end torque and better hole-shot performance when pushing heavy loads or reaching planning speeds.
Weight & Rigging
In terms of transom weight, the Suzuki is the lighter option at 62kg, offering a weight saving of 16kg over its competitor. This weight reduction is critical for smaller hulls or boats with limited transom capacity where every kilogram affects the center of gravity and drainage efficiency.
Electrical & Features
For boats equipped with modern electronics, sonar, and shallow-water anchors, the Mercury offers the best charging performance with a 210W alternator. Choosing the right power-to-weight profile between these two 4-stroke engines depends heavily on your specific boat's displacement and daily power requirements.