Yamaha F100 (Early 4-Stroke) vs Suzuki DF90 (Early 4-Stroke)
F100 (Early 4-Stroke)
DF90 (Early 4-Stroke)
| Spec | Yamaha F100 (Early 4-Stroke) | Suzuki DF90 (Early 4-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 100 HP | 90 HP |
| Displacement | 1596 cc | 1950 cc ← |
| Configuration | 4 Cyl / Inline | 4 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 168 kg (370 lbs) ← | 189 kg (417 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 2.31 | 2.59:1 |
| Alternator | 288 W | 388 W ← |
| Fuel Delivery | EFI | EFI |
| Maintenance | ||
| Spark Plug | NGK LFR6A-11 | NGK BKR6E |
| Engine Oil | Yamalube 4-M | 10W-40 FC-W |
Technical Comparison Analysis
Power & Displacement
Comparing the Yamaha F100 (Early 4-Stroke) and Suzuki DF90 (Early 4-Stroke) shows a displacement difference of 354cc. The Suzuki features a larger 1950cc 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 Yamaha is the lighter option at 168kg, offering a weight saving of 21kg 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 388W 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.