Honda CB900F Service Manual page 262

CRANKCASE/PISTON/CYLINDER
PISTON ASSEMBLY
Carefully inst all the piston rings into the piston ring
grooves with their marking facing up.
Apply oil to the piston rings .
Avoid piston and piston ring damage during
installation.
Install the piston rings with the marking facing up .
Do not mix the top and second rings; top ring is nar -
row er than the second ring in width .
Stagger the piston ring end gaps 120· apart from
each other.
Stagger the side ra il end gaps as shown.
SECOND RING
SIDE RAILS
.----<::--~~
SPACER
Install the piston
so that the "IN "
mark faces the
same direct ion as
the oil hole in the
connecting rod.
11-10
PISTON INSTALLATION
Apply molybdenum oil solution to the connecting
rod small end inner surfaces and piston pin outer
surfaces.
Install the piston pin into the piston and connecting
rod .
Install new piston pin clips into the grooves of the pis-
ton pin hole.
Make sure that the piston pin clips seat securely.
Do not align the piston pin cl ip end gap with the pis-
ton cut-out.
App ly engine o il to t he cylinder wall, piston and pis -
ton rings.
Inst all the piston/connecting rod assembly int o the
cylinder using a commercially available piston ring
compressor tool.
CONN ECTING ROD