Suzuki DF140A (Lean Burn) vs Mercury 135hp (Inline-6 Tower of Power)
DF140A (Lean Burn)
135hp (Inline-6 Tower of Power)
| Spec | Suzuki DF140A (Lean Burn) | Mercury 135hp (Inline-6 Tower of Power) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 140 HP | 135 HP |
| Displacement | 2044 cc ← | 1635 cc |
| Configuration | 4 Cyl / Inline | 6 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 179 kg (395 lbs) | 135 kg (298 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 DF140A (Lean Burn) and Mercury 135hp (Inline-6 Tower of Power) shows a displacement difference of 409cc. 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 135kg, offering a weight saving of 44kg 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.