Chrysler 20hp (2-Stroke) vs Mercury 18hp (2-Stroke)
20hp (2-Stroke)
18hp (2-Stroke)
| Spec | Chrysler 20hp (2-Stroke) | Mercury 18hp (2-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 20 HP | 18 HP |
| Displacement | 327 cc ← | 300 cc |
| Configuration | 2 Cyl / Inline | 2 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 59 kg (130 lbs) | 39 kg (86 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 2.0 | 2.0 |
| Alternator | 113 W ← | 60 W |
| Fuel Delivery | Carbureted | Carbureted |
| Maintenance | ||
| Spark Plug | Champion L77JC4 | NGK B7HS |
| Engine Oil | TC-W3 2-Stroke | TC-W3 2-Stroke |
Technical Comparison Analysis
Power & Displacement
Comparing the Chrysler 20hp (2-Stroke) and Mercury 18hp (2-Stroke) shows a displacement difference of 27cc. The Chrysler features a larger 327cc 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 39kg, offering a weight saving of 20kg 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 Chrysler offers the best charging performance with a 113W 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.