Scott-Atwater 16hp Royal Scott vs Evinrude 15hp H.O. (G1)

Scott-Atwater

16hp Royal Scott

1956 · 16 HP · 2-Stroke
VS
Evinrude

15hp H.O. (G1)

2012 · 15 HP · 2-Stroke
Spec Scott-Atwater 16hp Royal Scott Evinrude 15hp H.O. (G1)
Power & Performance
Horsepower 16 HP 15 HP
Displacement 326 cc 577 cc ←
Configuration 2 Cyl / Inline-2 2 Cyl / Inline
Weights & Dimensions
Dry Weight 27 kg (60 lbs) ← 84 kg (185 lbs)
Mechanical & Electrical
Gear Ratio 1.65 2.15
Alternator 0 W 806 W
Fuel Delivery Carbureted E-TEC Direct Injection
Maintenance
Spark Plug Champion J6C Champion QC10WEP
Engine Oil Evinrude XD100 / XD50

Technical Comparison Analysis

Power & Displacement

Comparing the Scott-Atwater 16hp Royal Scott and Evinrude 15hp H.O. (G1) shows a displacement difference of 251cc. 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 Scott-Atwater is the lighter option at 27kg, offering a weight saving of 57kg 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 806W 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.