Tohatsu MD70 TLDI (2-Stroke) vs Suzuki DF70 (Early 4-Stroke)
MD70 TLDI (2-Stroke)
DF70 (Early 4-Stroke)
| Spec | Tohatsu MD70 TLDI (2-Stroke) | Suzuki DF70 (Early 4-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 70 HP | 70 HP |
| Displacement | 1267 cc | 1298 cc ← |
| Configuration | 3 Cyl / Inline | 4 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 143 kg (315 lbs) ← | 152 kg (335 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 2.00:1 | 2.42:1 |
| Alternator | 504 W ← | 300 W |
| Fuel Delivery | TLDI Direct Injection | EFI |
| Maintenance | ||
| Spark Plug | NGK IZFR5J | NGK BKR6E |
| Engine Oil | Tohatsu TLDI Oil | Suzuki Marine 4-Stroke |
Technical Comparison Analysis
Power & Displacement
Comparing the Tohatsu MD70 TLDI (2-Stroke) and Suzuki DF70 (Early 4-Stroke) shows a displacement difference of 31cc. 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 Tohatsu is the lighter option at 143kg, offering a weight saving of 9kg 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 504W 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.