Fuelrags Posted August 14, 2008 Report Share Posted August 14, 2008 Hey Guys, Supposedly the Hitachi Carburator was just replaced when I bought my 620. I'm averaging 18 MPG. does that sound right for a 4-Speed? I have an Aftermarket Air Cleaner and just had a 2 1/4 inch full Exhaust installed....Martin Quote Link to comment
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