Force 5hp (2-Stroke) vs Mariner 5hp International (Yamaha-built 6E3)
5hp (2-Stroke)
5hp International (Yamaha-built 6E3)
| Spec | Force 5hp (2-Stroke) | Mariner 5hp International (Yamaha-built 6E3) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 5 HP | 5 HP |
| Displacement | 105 cc ← | 103 cc |
| Configuration | 1 Cyl / Inline | 1 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 18 kg (40 lbs) ← | 21 kg (46 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 1.92 | 2.08 |
| Alternator | 0 W | 60 W |
| Fuel Delivery | Carbureted | Carbureted |
| Maintenance | ||
| Spark Plug | Champion L82C | NGK B7HS |
| Engine Oil | TC-W3 2-Stroke | TC-W3 2-Stroke |
Technical Comparison Analysis
Power & Displacement
Comparing the Force 5hp (2-Stroke) and Mariner 5hp International (Yamaha-built 6E3) 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.