Suzuki DF100A (Lean Burn) vs Mercury 90hp (Inline-6 Tower of Power)
DF100A (Lean Burn)
90hp (Inline-6 Tower of Power)
| Spec | Suzuki DF100A (Lean Burn) | Mercury 90hp (Inline-6 Tower of Power) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 100 HP | 90 HP |
| Displacement | 2044 cc ← | 1500 cc |
| Configuration | 4 Cyl / Inline | 6 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 179 kg (395 lbs) | 125 kg (276 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 2.59:1 | 2.0 |
| Alternator | 576 W ← | 201 W |
| Fuel Delivery | Sequential EFI | Carbureted |
| Maintenance | ||
| Spark Plug | NGK BKR6E | NGK BUHW |
| Engine Oil | Suzuki 10W-40 | TC-W3 2-Stroke |
Technical Comparison Analysis
Power & Displacement
Comparing the Suzuki DF100A (Lean Burn) and Mercury 90hp (Inline-6 Tower of Power) shows a displacement difference of 544cc. The Suzuki features a larger 2044cc 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 Mercury is the lighter option at 125kg, offering a weight saving of 54kg 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 576W 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.