Evinrude 55hp (2-Stroke) vs Mercury 50hp (4-Cyl Carb)
55hp (2-Stroke)
50hp (4-Cyl Carb)
| Spec | Evinrude 55hp (2-Stroke) | Mercury 50hp (4-Cyl Carb) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 55 HP | 50 HP |
| Displacement | 737 cc | 935 cc ← |
| Configuration | 2 Cyl / Inline | 4 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 85 kg (187 lbs) ← | 98 kg (216 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 2.42 | 2.00:1 |
| Alternator | 84 W | 216 W ← |
| Fuel Delivery | Carbureted | Carbureted |
| Maintenance | ||
| Spark Plug | Champion QL77JC4 | Champion RA8HC |
| Engine Oil | TC-W3 2-Stroke | 25W-40 FC-W |
Technical Comparison Analysis
Power & Displacement
Comparing the Evinrude 55hp (2-Stroke) and Mercury 50hp (4-Cyl Carb) shows a displacement difference of 198cc. The Mercury features a larger 935cc 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 Evinrude is the lighter option at 85kg, offering a weight saving of 13kg 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 216W 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.