Motobecane fuel mixture 3%, 4% ?

David B /

The sticker on my 50V says 3oz per .6 gallon – This works out to 4% (I have no idea why they use .6 gallons since the tank holds a full gallon)

The service manual found here: indicates 4oz per gallon which is a b it over 3%

It is a 79 which is way after leaded fuel went away, so I don’t think that’s a factor.

Any ideas as to why the discrepancy?

What do you use?

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