Absolutely right Eddy.
The addition of this in fuel is causing many unforseen problems like errosion and deterioration of seals, plus the gumming up of orifices.
Seals will have to be changed more frequently unless they are made of a resistant material like Viton. Cheap kits from China will probably still be made of inferior materials.
It certainly has accelerated the deterioration of diaphragms.
Briggs are American and they have been using Bio longer and have recognised the problem ahead of some other manufacturers.
Carbs should be emptied and cleaned after use.
The bio isn't going away so brass will probably be phased out.
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