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changing carbs on sb440
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  1. Vintage Ski Doo's
    Anybody know the diameter of the intake on a 440 fan cooled used in a 73 Silver Bullet ? Looking to replace the HD109a Tillotson with a Mikuni. I don't have the machine in front of me an I'm going to Hayday's to look for a replacement. Can't find any reference to it in the manuals. Class...
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