Technical details 37-Francis Barnett

Engine Villiers 147cc 2-stroke twin port engine x11c/12c. Bore/stroke ration 1:26 (53x67mm)
Gearbox Albion EJ 3 speed
Carburetter L/W 29mm Jet no 3 Taper needle 2.5
Ignition Magneto, timing is 6mm BTDC, Spark Plug CB3
Charger Miller SUS dynamo lighting set with a DM3G dynamo 6v
Sadle Terry Spring Seat Sadle
NoS Frame GC33871 / Engine GYF 2512