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Recent content by zjacker

  1. Z

    15/9.9hp connecting rod compatbility.

    While you may be able to use the WSM pistons with the larger .55" wrist pins on your 1976 15hp Evinrude if the needle bearings fit smoothly and the correct thrust washers are installed to control side play, it’s important to be cautious because the engine was originally designed for a 1/2" wrist...
  2. Z

    15/9.9hp connecting rod compatbility.

    You can use the WSM pistons with the larger .55" wrist pins on your 1976 15hp Evinrude connecting rods if the needle bearings fit properly and you install the correct thrust washers to keep them in place, but you need to be cautious because the original roller cage bearings were designed for the...
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