Mercury 80hp (Inline-4) vs Honda BF75 PGM-FI
80hp (Inline-4)
BF75 PGM-FI
| Spec | Mercury 80hp (Inline-4) | Honda BF75 PGM-FI |
|---|---|---|
| Power & Performance | ||
| Horsepower | 80 HP | 75 HP |
| Displacement | 1090 cc | 1496 cc ← |
| Configuration | 4 Cyl / Inline | 4 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 95 kg (209 lbs) ← | 163 kg (359 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 2.07 | 2.33:1 |
| Alternator | 201 W | 633 W ← |
| Fuel Delivery | Carbureted | PGM-FI |
| Maintenance | ||
| Spark Plug | NGK BUHW (Surface Gap) | NGK ZFR6K-9E |
| Engine Oil | TC-W3 2-Stroke | 10W-30 FC-W |
Technical Comparison Analysis
Power & Displacement
Comparing the Mercury 80hp (Inline-4) and Honda BF75 PGM-FI shows a displacement difference of 406cc. The Honda features a larger 1496cc 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 95kg, offering a weight saving of 68kg 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 633W 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.