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O-Ring - needle jet (nozzle main)
Needle Jet O-Ring (nozzle main)
O-Ring - needle jet (nozzle main) - Fits: XS/TX 650's (1970-79) with Stock Mikuni BS38 CV Carbs. If this O-ring is dried out, shrunk or damaged, fuel can pass around the outside of the Needle jet instead of just thru the jets center causing a richer carb fuel mixture. Note: O-Ring appears too small but it is correct, install by carefully stretching with pointy needle nose pliers until it just fits over the jet.