Service Manual — page 289 of 715

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ENGINE TOP END 5-39
Cylinder, Pistons

• Position  the crankshaft at #2, 3 piston TDC.
•○Install the twoauxiliary
  Prepare   two            head bolts with their head cut.
                   cylinder head bolts [A] diagonally in the
 crankcase.
•Install the cylinder block [B].
  Pistons [C]
○First insert the #2, 3 pistons, and then rotate the crank-
 shaft at 90° angle, and insert the #1, 4 pistons.
○Insert the piston rings with your thumbs or the flat tip
 screwdriver.
•Install the removed parts (see appropriate chapters).

Piston Removal
• Remove    the cylinder (see Cylinder Removal).
• Place  a clean cloth under the pistons and remove the pis-
  ton pin snap ring [A] from the outside of each piston.

• Using  the piston pin puller assembly [A], remove the pis-
  ton pins.
    Special Tool - Piston Pin Puller Assembly: 57001-910
• Remove the pistons.

• Carefully spread the ring opening with your thumbs and
  then push up on the opposite side of the ring [A] to remove
    it.
•   Remove the 3-piece oil ring with your thumbs in the same
    manner.