500 motors in database
British Seagull

Forty Plus

1970 · 2.5 HP · 2-Stroke
VS
Yamaha

F2.5 Portable

2024 · 2.5 HP · 4-Stroke
Feature British Seagull Forty Plus Yamaha F2.5 Portable
Power & Performance
Horsepower 2.5 HP 2.5 HP
Displacement 64 cc 72 cc ←
Configuration 1 Cyl / Inline 1 Cyl / Inline
Weights & Dimensions
Dry Weight 14 kg (31 lbs) ← 17 kg (37 lbs)
Mechanical & Electrical
Gear Ratio 3.5:1 2.01:1
Alternator 0 W 0 W
Fuel Delivery Villiers Carbureted Carbureted
Maintenance
Spark Plug
Engine Oil SAE 30/40 non-detergent Yamalube 4-Stroke