Yamaha F250 (Early 4-Stroke) vs Mercury 225 OptiMax (2-Stroke)
F250 (Early 4-Stroke)
225 OptiMax (2-Stroke)
| Spec | Yamaha F250 (Early 4-Stroke) | Mercury 225 OptiMax (2-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 250 HP | 225 HP |
| Displacement | 3352 cc ← | 3032 cc |
| Configuration | 6 Cyl / V6 60° | 6 Cyl / V6 60° |
| Weights & Dimensions | ||
| Dry Weight | 274 kg (604 lbs) | 225 kg (496 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 2.0 | 1.75:1 |
| Alternator | 662 W | 756 W ← |
| Fuel Delivery | EFI | DFI (Direct Injection) |
| Maintenance | ||
| Spark Plug | NGK LFR5A-11 | NGK IZFR6J |
| Engine Oil | 10W-30 FC-W | OptiMax / DFI Synthetic Blend |
Technical Comparison Analysis
Power & Displacement
Comparing the Yamaha F250 (Early 4-Stroke) and Mercury 225 OptiMax (2-Stroke) shows a displacement difference of 320cc. The Yamaha features a larger 3352cc 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 225kg, offering a weight saving of 49kg 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 Mercury offers the best charging performance with a 756W 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.