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  1. #1

    GP 1200 impeller

    is that impeller clearance adjustable? i remember that ive heard that it is.. but manual says nothing about it..

    Rebuilt engine runs nice it goes something like 105Km/h on gps.. thats ok? only modifidy is slightly lover head and reeds.

  2. #2
    Join Date
    Apr 2006
    Orange, TX
    There is not an adjustment for the impeller to housing clearance. You have to buy a new impeller housing if you have too much clearance.

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