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  1. MXZ / Legend / Summit / Grand Touring / Formula
    Anyone know the oil/water seal SIZE for the 583 engine. The seal that holds the oil in the central cavity on the rotary shaft and keeps the water ( antifreeze) out of the oil. Seal part # is 420850710. I have a few new seals on the shelf and am wondering if I have the correct one on hand before...
  2. MXZ / Legend / Summit / Grand Touring / Formula
    I have a 1995 formula z with a 583 in it. I rebuilt the engine, the crank was professionally rebuilt, I rebuilt the top end and assembled the whole engine. I followed the book for setting the rotary valve with the mag at tdc and the plate aligned with the mark. It turns over harder than before...
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