Mercury 50hp (4-Cyl Carb) vs Chrysler 45hp (2-Stroke)

Mercury

50hp (4-Cyl Carb)

2002 · 50 HP · 4-Stroke
VS
Chrysler

45hp (2-Stroke)

1978 · 45 HP · 2-Stroke
Spec Mercury 50hp (4-Cyl Carb) Chrysler 45hp (2-Stroke)
Power & Performance
Horsepower 50 HP 45 HP
Displacement 935 cc ← 691 cc
Configuration 4 Cyl / Inline 2 Cyl / Inline
Weights & Dimensions
Dry Weight 98 kg (216 lbs) 73 kg (161 lbs) ←
Mechanical & Electrical
Gear Ratio 2.00:1 1.61:1
Alternator 216 W ← 120 W
Fuel Delivery Carbureted Carbureted
Maintenance
Spark Plug Champion RA8HC Champion L4J
Engine Oil 25W-40 FC-W TC-W3 (50:1)

Technical Comparison Analysis

Power & Displacement

Comparing the Mercury 50hp (4-Cyl Carb) and Chrysler 45hp (2-Stroke) shows a displacement difference of 244cc. 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 73kg, 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 Mercury offers the best charging performance with a 216W 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.