Flashlube Valve Saver Fluid is essential for LPG, CNG, & petrol vehicles. It is also suitable in all two & four stroke engines such as motorbikes, lawn mowers & outboard engines. (Must be used with normal fuel/oil mixture). You will find the same great Flashlube qualities shine in these applications. The engines will become easier to start, keep spark plugs and combustion chamber areas clean, cool & lubricated, leading to a longer engine life and a smoother running engine.