Tohatsu MFS2.5 (4-Stroke) vs British Seagull Forty Plus

Tohatsu

MFS2.5 (4-Stroke)

2010 · 2.5 HP · 4-Stroke
VS
British Seagull

Forty Plus

1970 · 2.5 HP · 2-Stroke
Spec Tohatsu MFS2.5 (4-Stroke) British Seagull Forty Plus
Power & Performance
Horsepower 2.5 HP 2.5 HP
Displacement 85 cc ← 64 cc
Configuration 1 Cyl / Inline 1 Cyl / Inline
Weights & Dimensions
Dry Weight 18.4 kg (41 lbs) 14 kg (31 lbs) ←
Mechanical & Electrical
Gear Ratio 2.15:1 3.5:1
Alternator 0 W 0 W
Fuel Delivery Carbureted Villiers Carbureted
Maintenance
Spark Plug NGK DCPR6E Champion D16
Engine Oil 10W-30 FC-W SAE 30 (10:1)

Technical Comparison Analysis

Power & Displacement

Comparing the Tohatsu MFS2.5 (4-Stroke) and British Seagull Forty Plus shows a displacement difference of 21cc. The Tohatsu features a larger 85cc 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 British Seagull is the lighter option at 14kg, offering a weight saving of 4.399999999999999kg 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 British Seagull offers the best charging performance with a 0W 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.