500 motors in database
British Seagull Technical Database

British Seagull Forty Plus

2.5 HP 1970 2-Stroke Discontinued
Smallest in series
Current Model Forty Plus

General Specifications

HP / kW 2.5 HP / 1.9 kW
Displacement 64 cc (3.9 cu in.)
Cylinders 1 (Inline)
WOT RPM Range Check Manual
Bore x Stroke 45 x 40 mm
Weight (Lightest) 14 kg / 31 lbs

Drive & Lower Unit

Gear Ratio 3.5:1
Shaft Options 18, 24
Propeller Style 9"

Maintenance Quick-Specs

Engine Oil SAE 30/40 non-detergent
Oil Capacity See Manual
Gear Lube See Manual
Spark Plug Check Search
Fuel/Power Regular 87 Oct (10:1 mix)

Identification

The serial number for the British Seagull Forty Plus is typically found on a plate located on the transom bracket.

Compare Forty Plus vs Competitors