Piston Installation - Honda CBR150R Manual

CYLINDER/PISTON
PI STO N I N STAL LAT I 0 N
Clean the piston heads, ring lands and skirts.
Carefully install the piston rings onto the piston with their
markings facing up.
CAUTION:
Do not damage the piston ring by spreading the ends
too far.
Be careful not to damage the piston when the piston
ring installation.
NOTE:
*
Do not confuse the top and second rings.
After installing the rings they should rotate freely, with-
out sticking.
-
Space the ring end gaps 120 degrees apart.
MARK
PISTON
' 9 \
- .
TOP RING
SECOND RING
SIDE RAIL
TOPRING
SPACER
SECONDRING
PISTON
OIL RING
NOTE:
When cleaning the cylinder mating surface, place a shop
towel over the cylinder and cam chain openings to prevent
dust or dirt enter the engine.
Clean any gasket material from the cylinder mating sur-
face of the crankcase.
Clean the oil orifices of the right crankcase.
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