Johnson 15hp (4-Stroke) vs Evinrude 15hp H.O. (G1)
15hp (4-Stroke)
15hp H.O. (G1)
| Spec | Johnson 15hp (4-Stroke) | Evinrude 15hp H.O. (G1) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 15 HP | 15 HP |
| Displacement | 302 cc | 577 cc ← |
| Configuration | 2 Cyl / Inline | 2 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 44 kg (97 lbs) ← | 84 kg (185 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 2.42 | 2.15 |
| Alternator | 145 W | 806 W ← |
| Fuel Delivery | Carbureted | E-TEC Direct Injection |
| Maintenance | ||
| Spark Plug | NGK CR6E | Champion QC10WEP |
| Engine Oil | 10W-30 Marine | Evinrude XD100 / XD50 |
Technical Comparison Analysis
Power & Displacement
Comparing the Johnson 15hp (4-Stroke) and Evinrude 15hp H.O. (G1) shows a displacement difference of 275cc. The Evinrude features a larger 577cc 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 44kg, offering a weight saving of 40kg 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 Evinrude offers the best charging performance with a 806W 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.