Yamaha 8hp (2-Stroke) vs Scott-Atwater 7.5hp Fishing Scott
8hp (2-Stroke)
7.5hp Fishing Scott
| Spec | Yamaha 8hp (2-Stroke) | Scott-Atwater 7.5hp Fishing Scott |
|---|---|---|
| Power & Performance | ||
| Horsepower | 8 HP | 7.5 HP |
| Displacement | 165 cc ← | 164 cc |
| Configuration | 2 Cyl / Inline | 2 Cyl / Inline-2 |
| Weights & Dimensions | ||
| Dry Weight | 27 kg (60 lbs) | 26 kg (57 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 2.08 | 1.65 |
| Alternator | 60 W | 0 W |
| Fuel Delivery | Carbureted | Carbureted |
| Maintenance | ||
| Spark Plug | NGK BR7HS-10 | Champion J6C |
| Engine Oil | Yamalube 2-M | |
Technical Comparison Analysis
Power & Displacement
Comparing the Yamaha 8hp (2-Stroke) and Scott-Atwater 7.5hp Fishing Scott shows a displacement difference of 1cc. The Yamaha features a larger 165cc 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 Scott-Atwater is the lighter option at 26kg, offering a weight saving of 1kg 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 2-stroke engines depends heavily on your specific boat's displacement and daily power requirements.