Johnson 235hp Crossflow V6 vs Mercury 225 OptiMax (2-Stroke)
235hp Crossflow V6
225 OptiMax (2-Stroke)
| Spec | Johnson 235hp Crossflow V6 | Mercury 225 OptiMax (2-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 235 HP | 225 HP |
| Displacement | 4145 cc ← | 3032 cc |
| Configuration | 6 Cyl / V6 90° | 6 Cyl / V6 60° |
| Weights & Dimensions | ||
| Dry Weight | 180 kg (397 lbs) ← | 225 kg (496 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 1.86:1 | 1.75:1 |
| Alternator | 144 W | 756 W ← |
| Fuel Delivery | Triple Carbureted | DFI (Direct Injection) |
| Maintenance | ||
| Spark Plug | Champion QL77JC4 | NGK IZFR6J |
| Engine Oil | TC-W3 2-Stroke | OptiMax / DFI Synthetic Blend |
Technical Comparison Analysis
Power & Displacement
Comparing the Johnson 235hp Crossflow V6 and Mercury 225 OptiMax (2-Stroke) shows a displacement difference of 1113cc. The Johnson features a larger 4145cc 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 Johnson is the lighter option at 180kg, offering a weight saving of 45kg 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 2-stroke engines depends heavily on your specific boat's displacement and daily power requirements.