Yamaha F70 In-Line Four vs Suzuki DT65
F70 In-Line Four
DT65
| Spec | Yamaha F70 In-Line Four | Suzuki DT65 |
|---|---|---|
| Power & Performance | ||
| Horsepower | 70 HP | 65 HP |
| Displacement | 996 cc ← | 897 cc |
| Configuration | 4 Cyl / Inline | 3 Cyl / Inline-3 |
| Weights & Dimensions | ||
| Dry Weight | 115 kg (254 lbs) | 109 kg (240 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 2.33:1 | 2.09 |
| Alternator | 180 W ← | 80 W |
| Fuel Delivery | EFI | Carbureted (Oil Injected) |
| Maintenance | ||
| Spark Plug | NGK LFR6G-11 | NGK BR8HS |
| Engine Oil | Yamalube 4-Stroke | TC-W3 (50:1) |
Technical Comparison Analysis
Power & Displacement
Comparing the Yamaha F70 In-Line Four and Suzuki DT65 shows a displacement difference of 99cc. The Yamaha features a larger 996cc 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 Suzuki is the lighter option at 109kg, offering a weight saving of 6kg 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 180W alternator. Choosing the right power-to-weight profile between these two 4-stroke engines depends heavily on your specific boat's displacement and daily power requirements.