Honda XR125LK Owner's Manual page 115

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CYLINDER/PISTON
CYLINDER
REMOVAL
Remove the following:
– Cam chain tensioner lifter if necessary (page 8-17)
– Cylinder head (page 8-11)
– Cam chain guide [1]
Lift the cylinder [2] and remove it, being careful not to
Do not strike the
damage the piston.
cylinder too hard
and do not damage
Clean the top of the cylinder thoroughly.
the mating surface
with a screwdriver.
Remove the dowel pins [1] and gasket [2].
INSTALLATION
Clean any gasket material from the cylinder mating
Be careful not to
surface of the crankcase.
damage the mating
surfaces.
Install the two dowel pins and a new gasket.
Do not allow gasket
material to enter the
crankcase.
Apply engine oil to the cylinder wall, piston outer
surface and piston rings.
Route the cam chain [1] through the cylinder [2] and
Be careful not to
install the cylinder over the piston [3] while compressing
damage the piston
the piston rings [4] with your fingers.
rings and cylinder
wall.
Insert the cam chain guide [1] into the cylinder and
crankcase grooves [2].
Install the cylinder head (page 8-11).
9-4
[2]
[1]
[2]
[2]
[3]
[1]
[2]
[1]
[1]
[4]