Originally Posted by cyclepro101
Can anyone tell me the answer to this question and how they worked it out?
How much fuel do I need to add to 1 litre of 1:20 mix to make up to 1:30?
Did you intend to ask:
How much fuel should I add to an existing 20:1 fuel/oil ratio mix, in order to achieve a 30:1 fuel/oil ratio mix?
If so...the answer is 50% more, or 1/2 litre.