Evinrude 25hp E-TEC (G1) vs Mercury 25hp EFI (3-Cyl)

Evinrude

25hp E-TEC (G1)

2012 · 25 HP · 2-Stroke
VS
Mercury

25hp EFI (3-Cyl)

2005 · 25 HP · 4-Stroke
Spec Evinrude 25hp E-TEC (G1) Mercury 25hp EFI (3-Cyl)
Power & Performance
Horsepower 25 HP 25 HP
Displacement 577 cc ← 526 cc
Configuration 2 Cyl / Inline 3 Cyl / Inline
Weights & Dimensions
Dry Weight 68 kg (150 lbs) ← 78 kg (172 lbs)
Mechanical & Electrical
Gear Ratio 2.15 1.92:1
Alternator 800 W ← 210 W
Fuel Delivery E-TEC Direct Injection EFI
Maintenance
Spark Plug Champion QC10WEP NGK DCPR6E
Engine Oil Evinrude XD100 / XD50 10W-30 FC-W

Technical Comparison Analysis

Power & Displacement

Comparing the Evinrude 25hp E-TEC (G1) and Mercury 25hp EFI (3-Cyl) shows a displacement difference of 51cc. The Evinrude features a larger 577cc 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 68kg, offering a weight saving of 10kg 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 Evinrude offers the best charging performance with a 800W 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.