Motor 3401

Engine: 3401 V


Type: in-line engine

Cylinders: 2

Displacement: 625 cm³

Max. performance: 36,8 kW (50 HP) / 5500 rpm

Max. torque: 66 Nm / 4500 rpm

Cooling: free air

Weight: 20 kg 

Starting device: not included, external electric starter possible

Options: dual carburetor instead of single carburetor


The 3401 is a derivative of our long-time-proven air-cooled 2-cylinder series which are used usually in applications for ultra light- aviation. It began as an idea to set up a go-kart chassis with a large bore engine for testing. In the meantime this engine has established as a Highlight in the scene of go-kart freaks – free of a class.
The 3401 can only be ordered exclusively at Weinig Motorsport

new UAV-engine 4201