Mercury SeaPro 40hp vs Evinrude 40hp (4-Stroke)
SeaPro 40hp
40hp (4-Stroke)
| Spec | Mercury SeaPro 40hp | Evinrude 40hp (4-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 40 HP | 40 HP |
| Displacement | 644 cc | 815 cc ← |
| Configuration | 2 Cyl / Inline-3 | 3 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 75 kg (165 lbs) ← | 109 kg (240 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 1.92 | 2.27:1 |
| Alternator | 210 W | 216 W ← |
| Fuel Delivery | EFI | EFI |
| Maintenance | ||
| Spark Plug | NGK BP8H-N-10 | NGK DCPR7E |
| Engine Oil | 10W-40 FC-W | |
Technical Comparison Analysis
Power & Displacement
Comparing the Mercury SeaPro 40hp and Evinrude 40hp (4-Stroke) shows a displacement difference of 171cc. The Evinrude features a larger 815cc 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 75kg, offering a weight saving of 34kg 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 Evinrude 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.