FN Four 1907 412cc

Specifications

Engine: Air cooled 312cc (48 x 57mm) 4 cylinder four stroke
Power: 3.5 hp @ 2000 rpm
Valves: automatic inlet and side exhaust
Fuel System: carburettor
Transmission: shaft and bevel
Suspension: parallel links at front, rigid rear
Brakes: single drum rear "back-pedal" type
Wheels: wire spokes and clincher rims
Weight: 165 lbs
Maximum Speed: 40 mph