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speedwerx twin pipes
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  1. MXZ / Legend / Summit / Grand Touring / Formula
    I got the sled blown up. As a result I checked the main jets on the Mikuni flats and to my suprise there were 350 mains installed! Stock jetting should have been 440's. Speedwerx says 480's is where it should be, but no info on whether or not to raise the needle jets. Has anyone ever used...
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