B&Q Lawnmower Garden oil.This lawnmower fuel enhancer maintains your machine\'s efficiency helping it run smoother for longer. It\'s suitable for maintaining your machine\'s engine. Recommended uses: With all types of petrol/diesel when starting up after a long period of no use or when a tank of fuel lasts over a month. Can be used with all 2 stroke & 4-stroke engines as well as marine engines (in-board or outboard) & all garden machinery engines including lawnmowers grass trimmers hedge trimmers leaf blowers etc..