Mercury 70hp (3-Cyl 2-Stroke) vs Suzuki DF70A (Lean Burn)
70hp (3-Cyl 2-Stroke)
DF70A (Lean Burn)
| Spec | Mercury 70hp (3-Cyl 2-Stroke) | Suzuki DF70A (Lean Burn) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 70 HP | 70 HP |
| Displacement | 1165 cc | 1502 cc ← |
| Configuration | 3 Cyl / Inline | 4 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 131 kg (289 lbs) ← | 155 kg (342 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 2.33:1 | 2.59:1 |
| Alternator | 113 W | 388 W ← |
| Fuel Delivery | Carbureted | Sequential EFI |
| Maintenance | ||
| Spark Plug | NGK BUHW-2 | NGK DCPR6E |
| Engine Oil | TC-W3 2-Stroke | 10W-40 FC-W |
Technical Comparison Analysis
Power & Displacement
Comparing the Mercury 70hp (3-Cyl 2-Stroke) and Suzuki DF70A (Lean Burn) shows a displacement difference of 337cc. The Suzuki features a larger 1502cc 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 24kg 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 388W 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.