Evinrude 55hp (2-Stroke) vs Tohatsu MD50 TLDI (2-Stroke)

Evinrude

55hp (2-Stroke)

1978 · 55 HP · 2-Stroke
VS
Tohatsu

MD50 TLDI (2-Stroke)

2010 · 50 HP · 2-Stroke
Spec Evinrude 55hp (2-Stroke) Tohatsu MD50 TLDI (2-Stroke)
Power & Performance
Horsepower 55 HP 50 HP
Displacement 737 cc ← 697 cc
Configuration 2 Cyl / Inline 3 Cyl / Inline
Weights & Dimensions
Dry Weight 85 kg (187 lbs) ← 103 kg (227 lbs)
Mechanical & Electrical
Gear Ratio 2.42 1.85:1
Alternator 84 W 576 W ←
Fuel Delivery Carbureted TLDI Direct Injection
Maintenance
Spark Plug Champion QL77JC4 NGK IZFR6Q
Engine Oil TC-W3 2-Stroke Tohatsu TLDI Oil

Technical Comparison Analysis

Power & Displacement

Comparing the Evinrude 55hp (2-Stroke) and Tohatsu MD50 TLDI (2-Stroke) shows a displacement difference of 40cc. The Evinrude features a larger 737cc 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 Evinrude is the lighter option at 85kg, offering a weight saving of 18kg 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 Tohatsu offers the best charging performance with a 576W 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.