Honda BF150 PGM-FI vs Mercury 135hp V6 OptiMax
BF150 PGM-FI
135hp V6 OptiMax
| Spec | Honda BF150 PGM-FI | Mercury 135hp V6 OptiMax |
|---|---|---|
| Power & Performance | ||
| Horsepower | 150 HP | 135 HP |
| Displacement | 2354 cc | 2507 cc ← |
| Configuration | 4 Cyl / Inline | 6 Cyl / V6 60° |
| Weights & Dimensions | ||
| Dry Weight | 217 kg (478 lbs) | 195 kg (430 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 2.14:1 | 1.87:1 |
| Alternator | 792 W ← | 720 W |
| Fuel Delivery | PGM-FI | DFI (Direct Injection) |
| Maintenance | ||
| Spark Plug | NGK IZFR6K11 | NGK IZFR5G (Iridium) |
| Engine Oil | 10W-30 FC-W | Mercury OptiMax/DFI Oil |
Technical Comparison Analysis
Power & Displacement
Comparing the Honda BF150 PGM-FI and Mercury 135hp V6 OptiMax shows a displacement difference of 153cc. The Mercury features a larger 2507cc 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 195kg, offering a weight saving of 22kg 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 Honda offers the best charging performance with a 792W 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.