EBS00247 REMOVING THE PISTON 1. Remove: piston pin clips 1 piston pin 2 piston 3 1 2 NOTE: _ Before removing the piston pin clips, cover the crankcase opening with a clean rag to prevent the piston pin clips from falling into the crankcase. Before removing the piston pin, deburr the piston pin clip grooves and the piston pin bore area. If both areas are deburred and the piston pin is still difficult to remove, remove it with the piston pin puller set 4 . 3 Piston pin puller set 90890-01304 Piston pin puller YU-01304 CAUTION: _ Do not use a hammer to drive the piston pin out. 2. Remove: piston rings NOTE:
_ Spread the end gaps apart while at the same time lifting the piston ring over the top of the piston crown, as shown in the illustration. EBS00249 CHECKING THE CYLINDER AND PISTON 1. Check: piston wall cylinder wall Vertical scratches Rebore or replace the cylinder, and replace the piston and piston rings as a set. 4 - 35 CYLINDER AND PISTON ENG