Mercury 70hp (3-Cyl 2-Stroke) vs Suzuki DF70 (Early 4-Stroke)
70hp (3-Cyl 2-Stroke)
DF70 (Early 4-Stroke)
| Spec | Mercury 70hp (3-Cyl 2-Stroke) | Suzuki DF70 (Early 4-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 70 HP | 70 HP |
| Displacement | 1165 cc | 1298 cc ← |
| Configuration | 3 Cyl / Inline | 4 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 131 kg (289 lbs) ← | 152 kg (335 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 2.33:1 | 2.42:1 |
| Alternator | 113 W | 300 W ← |
| Fuel Delivery | Carbureted | EFI |
| Maintenance | ||
| Spark Plug | NGK BUHW-2 | NGK BKR6E |
| Engine Oil | TC-W3 2-Stroke | Suzuki Marine 4-Stroke |
Technical Comparison Analysis
Power & Displacement
Comparing the Mercury 70hp (3-Cyl 2-Stroke) and Suzuki DF70 (Early 4-Stroke) shows a displacement difference of 133cc. The Suzuki features a larger 1298cc 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 Mercury is the lighter option at 131kg, offering a weight saving of 21kg 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 Suzuki offers the best charging performance with a 300W alternator. Choosing the right power-to-weight profile between these two 2-stroke engines depends heavily on your specific boat's displacement and daily power requirements.