Removing The Cylinder And Piston - Yamaha XF50W Service Manual

CYLINDER AND PISTON
EAS00253

REMOVING THE CYLINDER AND PISTON

1. Remove:
8piston pin clip 1
8piston pin 2
8piston 3
cC
Do not use a hammer to drive the piston pin
out.
NOTE:
8 Before removing the piston pin clip, cover
the crankcase opening with a clean rag to
prevent the piston pin clip from falling into
the crankcase.
8 Before removing the piston pin, deburr the
piston pin clip's groove and the piston's pin
bore area. If both areas are deburred and
the piston pin is still difficult to remove, re-
move it with the piston pin puller s e t 4 .
Piston pin puller set
90890-01304(YU-01304)
2. Remove:
8top ring
82nd ring
8oil ring
NOTE:
When removing a piston ring, open the end gap
with your fingers and lift the other side of the
ring over the piston crown.
5-32
ENG
m
%