Chrysler 55hp (2-Stroke) vs Mercury 50hp (4-Cyl Carb)

Chrysler

55hp (2-Stroke)

1975 · 55 HP · 2-Stroke
VS
Mercury

50hp (4-Cyl Carb)

2002 · 50 HP · 4-Stroke
Spec Chrysler 55hp (2-Stroke) Mercury 50hp (4-Cyl Carb)
Power & Performance
Horsepower 55 HP 50 HP
Displacement 732 cc 935 cc ←
Configuration 2 Cyl / Inline 4 Cyl / Inline
Weights & Dimensions
Dry Weight 71 kg (157 lbs) ← 98 kg (216 lbs)
Mechanical & Electrical
Gear Ratio 2.00:1 2.00:1
Alternator 60 W 216 W ←
Fuel Delivery Carbureted Carbureted
Maintenance
Spark Plug Champion L77JC4 Champion RA8HC
Engine Oil TC-W3 2-Stroke 25W-40 FC-W

Technical Comparison Analysis

Power & Displacement

Comparing the Chrysler 55hp (2-Stroke) and Mercury 50hp (4-Cyl Carb) shows a displacement difference of 203cc. The Mercury features a larger 935cc 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 71kg, offering a weight saving of 27kg 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 Mercury offers the best charging performance with a 216W 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.