Mercury 250hp OptiMax Pro XS vs Yamaha F225 (Early 4-Stroke)
250hp OptiMax Pro XS
F225 (Early 4-Stroke)
| Spec | Mercury 250hp OptiMax Pro XS | Yamaha F225 (Early 4-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 250 HP | 225 HP |
| Displacement | 3032 cc | 3352 cc ← |
| Configuration | 6 Cyl / V6 60° | 6 Cyl / V6 60° |
| Weights & Dimensions | ||
| Dry Weight | 229 kg (505 lbs) ← | 264 kg (582 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 1.75:1 | 2.0 |
| Alternator | 864 W ← | 648 W |
| Fuel Delivery | DFI (Direct Injection) | EFI |
| Maintenance | ||
| Spark Plug | NGK IZFR6J-11 (Iridium) | NGK LFR6A-11 |
| Engine Oil | Mercury OptiMax/DFI Oil | 10W-30 FC-W |
Technical Comparison Analysis
Power & Displacement
Comparing the Mercury 250hp OptiMax Pro XS and Yamaha F225 (Early 4-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 229kg, offering a weight saving of 35kg 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 864W 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.