Yamaha 70hp Precision Blend vs Suzuki DF70A (Lean Burn)
70hp Precision Blend
DF70A (Lean Burn)
| Spec | Yamaha 70hp Precision Blend | Suzuki DF70A (Lean Burn) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 70 HP | 70 HP |
| Displacement | 849 cc | 1502 cc ← |
| Configuration | 3 Cyl / Inline-3 | 4 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 104 kg (229 lbs) ← | 155 kg (342 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 2.33 | 2.59:1 |
| Alternator | 120 W | 388 W ← |
| Fuel Delivery | Carbureted (Oil Injected) | Sequential EFI |
| Maintenance | ||
| Spark Plug | NGK BR8HS-10 | NGK DCPR6E |
| Engine Oil | Yamalube 2M | 10W-40 FC-W |
Technical Comparison Analysis
Power & Displacement
Comparing the Yamaha 70hp Precision Blend and Suzuki DF70A (Lean Burn) shows a displacement difference of 653cc. The Suzuki features a larger 1502cc 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 51kg 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 388W 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.