Piston Ring Replacement - Honda 2010 CRF250R Service Manual

Two small screwdrivers are required to remove the
stopper ring.
The stopper ring groove in the damper case is ramped
toward the inside to give the stopper ring a square
shoulder on which to seat securely.
To remove the stopper ring, first push one end of the
stopper ring Qui of its groove, then slip the second
screwdriver between the stopper ring and damper case
to act as a ramp.
Now, use the other screwdriver to pull the stopper ring
completely out.
Check the stopper ring groove for burrs.
Burrs
will
damage
Remove any burrs with a fine emery cloth before pulling
the damper rod
the damper rod out of the damper case.
piston ring
Carefully pull the damper rod assembly out of the
damper case.
PISTON RING REPLACEMENT
Inspect the piston ring.
If the piston ring is damaged , cut the piston ring and
replace it along with new O-rings.
Apply recommended shock oil (page 14-26) to new 0-
rings and piston ring .
Place the piston ring guide attachment over the piston ,
and install the O-rings and piston ring inlo place by
hand.
TOOL :
Piston ring guide attachment
070MG-KZ30100
not available in
U.S.A .
Compress Ihe piston ring against the ring groove and
seat the piston ring into the ring groove .
REAR WHEEL/SUSPENSION
STOPPER RING
DAMPER ROD ASSEMBLY
CASE
PISTON RING
O-RINGS PISTON RING
g
CII
PISTON RING GUIDE ATTACHMEN T
' - - - - - - -
14-19