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Piston, Pin, and Connecting Rod Replacement: Disassembly

  1. Remove the piston from the engine block (see CRANKSHAFT AND PISTON REMOVAL  ).
  2. Apply new engine oil to the piston pin snap rings (A) and turn them in the ring grooves until the end gaps are lined up with the cutouts in the piston pin bores (B).
    NOTE: Take care not to damage the ring grooves.
    Fig 1: Applying Engine Oil To Piston Pin Snap Rings
    G03704038Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Remove snap rings (A) from both sides of the piston. Start at the cutout in the piston pin bore. Remove the snap rings carefully so they do not go flying or get lost. Wear eye protection.
    Fig 2: Removing Snap Rings From Both Sides Of Piston
    G03704039Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Heat the piston and connecting rod assembly to about 158°F (70°C), then remove the piston pin.
    Fig 3: Heating Piston And Connecting Rod Assembly
    G03704040Courtesy of AMERICAN HONDA MOTOR CO., INC.
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