motobecane piston mod?

I did at but why exactly?

friction?

transfer port open longer?

weight ?

why?

Re: motobecane piston mod?

72

Re: motobecane piston mod?

skidoo?

Re: motobecane piston mod?

you increased your transfer port open time/area

Re: motobecane piston mod?

as well as smoothed transfer flow

Re: motobecane piston mod?

thats what I figured. thanks.

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