Yamaha 70hp Precision Blend vs Suzuki DF70 (Early 4-Stroke)
70hp Precision Blend
DF70 (Early 4-Stroke)
| Spec | Yamaha 70hp Precision Blend | Suzuki DF70 (Early 4-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 70 HP | 70 HP |
| Displacement | 849 cc | 1298 cc ← |
| Configuration | 3 Cyl / Inline-3 | 4 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 104 kg (229 lbs) ← | 152 kg (335 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 2.33 | 2.42:1 |
| Alternator | 120 W | 300 W ← |
| Fuel Delivery | Carbureted (Oil Injected) | EFI |
| Maintenance | ||
| Spark Plug | NGK BR8HS-10 | NGK BKR6E |
| Engine Oil | Yamalube 2M | Suzuki Marine 4-Stroke |
Technical Comparison Analysis
Power & Displacement
Comparing the Yamaha 70hp Precision Blend and Suzuki DF70 (Early 4-Stroke) shows a displacement difference of 449cc. The Suzuki features a larger 1298cc 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 104kg, offering a weight saving of 48kg 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 Suzuki offers the best charging performance with a 300W 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.