Walbro WB37c aviation carburettor taken off a new microlight after 2-3 hours use. Was replaced with a bowl carb which was more suitable. Quality Japanese made diaphragm carb. Has a 28mm throat suitable for 150-200cc 2 stroke engines. Was on a Polini Thor200 engine. 46mm manifold mount pitch if another manifold needs to be used. Could be ideal for a paramotor or go-cart etc.....