Shock Treatment For 4 Stroke?

[AMMOT23]

can you shock treat a 4 stroke with seafoam,is it the same recipe 3/4 gal gas 16 oz seafoam its a 4 stroke 40 hp thanks

[99yam40]

I understand they used seafoam on auto motors even for decarbonizing the motors from way back, so I would think you could use it on a 4 stk outboard

[AMMOT23]

Thanks For Help

[mitch]

ring free is the yamaha decarbonizing trreatment