Home Forums 2-Cycle Racing boswell fuel systems

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      Matthew Thornalley

      hi there, can anyone tell me how the boswell carbs work and what the pro’s/cons are with this setup? i have one on my yz250 superkart and after a google search it appears the owner got into major financial and legal troubles and the company ceased trading in the mid 90’s. its based on a modified mikuni tm38 and looks like the pilot circuit works completely different to a conventional carb

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