Evinrude 5hp (4-Stroke) vs Yamaha 5hp (2-Stroke)
5hp (4-Stroke)
5hp (2-Stroke)
| Spec | Evinrude 5hp (4-Stroke) | Yamaha 5hp (2-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 5 HP | 5 HP |
| Displacement | 138 cc ← | 103 cc |
| Configuration | 1 Cyl / Inline | 1 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 25 kg (55 lbs) | 21 kg (46 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 1.92 | 2.08 |
| Alternator | 60 W | 60 W |
| Fuel Delivery | Carbureted | Carbureted |
| Maintenance | ||
| Spark Plug | NGK CPR6EA-9 | NGK BR7HS |
| Engine Oil | 10W-30 Marine | Yamalube 2-M |
Technical Comparison Analysis
Power & Displacement
Comparing the Evinrude 5hp (4-Stroke) and Yamaha 5hp (2-Stroke) shows a displacement difference of 35cc. The Evinrude features a larger 138cc 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 Yamaha is the lighter option at 21kg, offering a weight saving of 4kg 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 Yamaha offers the best charging performance with a 60W 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.