Hi Paul if people had to go through this rigmerole every time they wanted to use their 2 stroke you can understand why people flock to buy 4 stroke motors. I can't imagine trying to explain all this to anybody getting a mower, I have enough trouble with some trying to explain how to mix the fuel. I always provide them with a 150mm measuring jug and tell them to mix that much oil in 4 liters of petrol. Only had one person who still couldn't understand that
