Steinhaus PRO-GLM503 Benzines fűnyíró, 173 cm³, 4.8 LE, 51 cm - eMAG.hu
How old is this lawnmower? Yard machines, Briggs and Stratton engine YBSXS. 1581VA is what it says on the engine sticker, it's American, but was brought to the UK a long time ago :
Briggs & Stratton Small Engine Repair Model 09P7020145F1 - YouTube