Honda BF90 PGM-FI vs Johnson 85hp Crossflow V4
BF90 PGM-FI
85hp Crossflow V4
| Spec | Honda BF90 PGM-FI | Johnson 85hp Crossflow V4 |
|---|---|---|
| Power & Performance | ||
| Horsepower | 90 HP | 85 HP |
| Displacement | 1496 cc | 1632 cc ← |
| Configuration | 4 Cyl / Inline | 4 Cyl / V4 90° |
| Weights & Dimensions | ||
| Dry Weight | 163 kg (359 lbs) | 138 kg (304 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 2.33:1 | 2.00:1 |
| Alternator | 633 W ← | 144 W |
| Fuel Delivery | PGM-FI | Twin Carbureted |
| Maintenance | ||
| Spark Plug | NGK ZFR6K-9E | Champion QL77JC4 |
| Engine Oil | 10W-30 FC-W | TC-W3 2-Stroke |
Technical Comparison Analysis
Power & Displacement
Comparing the Honda BF90 PGM-FI and Johnson 85hp Crossflow V4 shows a displacement difference of 136cc. The Johnson features a larger 1632cc 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 138kg, offering a weight saving of 25kg 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 4-stroke engines depends heavily on your specific boat's displacement and daily power requirements.