Mariner 5hp International (Yamaha-built 6E3) vs Force 5hp (2-Stroke)
5hp International (Yamaha-built 6E3)
5hp (2-Stroke)
| Spec | Mariner 5hp International (Yamaha-built 6E3) | Force 5hp (2-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 5 HP | 5 HP |
| Displacement | 103 cc | 105 cc ← |
| Configuration | 1 Cyl / Inline | 1 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 21 kg (46 lbs) | 18 kg (40 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 2.08 | 1.92 |
| Alternator | 60 W | 0 W |
| Fuel Delivery | Carbureted | Carbureted |
| Maintenance | ||
| Spark Plug | NGK B7HS | Champion L82C |
| Engine Oil | TC-W3 2-Stroke | TC-W3 2-Stroke |
Technical Comparison Analysis
Power & Displacement
Comparing the Mariner 5hp International (Yamaha-built 6E3) and Force 5hp (2-Stroke) shows a displacement difference of 2cc. The Force features a larger 105cc 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 Force is the lighter option at 18kg, offering a weight saving of 3kg 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 Mariner offers the best charging performance with a 60W 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.