Tohatsu MFS75 (4-2-1 Exhaust) vs Suzuki DF70A (Lean Burn)
MFS75 (4-2-1 Exhaust)
DF70A (Lean Burn)
| Spec | Tohatsu MFS75 (4-2-1 Exhaust) | Suzuki DF70A (Lean Burn) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 75 HP | 70 HP |
| Displacement | 1995 cc ← | 1502 cc |
| Configuration | 4 Cyl / Inline | 4 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 178 kg (392 lbs) | 155 kg (342 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 2.08:1 | 2.59:1 |
| Alternator | 516 W ← | 388 W |
| Fuel Delivery | EFI | Sequential EFI |
| Maintenance | ||
| Spark Plug | NGK LKR6E | NGK DCPR6E |
| Engine Oil | 10W-30 FC-W | 10W-40 FC-W |
Technical Comparison Analysis
Power & Displacement
Comparing the Tohatsu MFS75 (4-2-1 Exhaust) and Suzuki DF70A (Lean Burn) shows a displacement difference of 493cc. The Tohatsu features a larger 1995cc 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 155kg, offering a weight saving of 23kg 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 Tohatsu offers the best charging performance with a 516W 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.