British Seagull Forty Plus vs Tohatsu MFS2.5

British Seagull

Forty Plus

1970 · 2.5 HP · 2-Stroke
VS
Tohatsu

MFS2.5

2024 · 2.5 HP · 4-Stroke
Spec British Seagull Forty Plus Tohatsu MFS2.5
Power & Performance
Horsepower 2.5 HP 2.5 HP
Displacement 64 cc 85 cc ←
Configuration 1 Cyl / Inline 1 Cyl / Inline
Weights & Dimensions
Dry Weight 14 kg (31 lbs) ← 18.4 kg (41 lbs)
Mechanical & Electrical
Gear Ratio 3.5:1 2.15:1
Alternator 0 W 0 W
Fuel Delivery Villiers Carbureted Carbureted
Maintenance
Spark Plug Champion D16 NGK DCPR6E
Engine Oil SAE 30 (10:1) 10W-30 FC-W

Technical Comparison Analysis

Power & Displacement

Comparing the British Seagull Forty Plus and Tohatsu MFS2.5 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 Tohatsu offers the best charging performance with a 0W 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.