Mercury 50hp (3-Cyl 2-Stroke) vs Chrysler 45hp (2-Stroke)
50hp (3-Cyl 2-Stroke)
45hp (2-Stroke)
| Spec | Mercury 50hp (3-Cyl 2-Stroke) | Chrysler 45hp (2-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 50 HP | 45 HP |
| Displacement | 849 cc ← | 691 cc |
| Configuration | 3 Cyl / Inline | 2 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 93 kg (205 lbs) | 73 kg (161 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 1.64:1 | 1.61:1 |
| Alternator | 113 W | 120 W ← |
| Fuel Delivery | Carbureted | Carbureted |
| Maintenance | ||
| Spark Plug | NGK BP8H-N-10 | Champion L4J |
| Engine Oil | TC-W3 2-Stroke | TC-W3 (50:1) |
Technical Comparison Analysis
Power & Displacement
Comparing the Mercury 50hp (3-Cyl 2-Stroke) and Chrysler 45hp (2-Stroke) shows a displacement difference of 158cc. The Mercury features a larger 849cc 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 Chrysler is the lighter option at 73kg, 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 120W 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.