Honda 2005 FOURTRAX FOREMAN TRX500 TM Service Manual page 159

CYLINDER/PISTON
CYLINDER/PISTON INSTALLATION
PISTON RING INSTALLATION
Carefully install the piston rings into the piston ring
grooves with the markings facing up.
NOTE:
• Do not confuse the top and second rings.
• To install the oil ring, install the spacer first, then
install the side rails.
Stagger the piston ring end gaps 120°
apart from each other.
Stagger the side rail end gaps as shown.
degrees
"RN"
TOP RING
SECOND
RING
OIL RING
SIDE RAILS
SPACER
PISTON INSTALLATION
Place a clean shop towel over the crankcase to pre-
vent the clip from falling into the crankcase.
Apply engine oil to the piston pin hole and connect-
ing rod inner surface.
Apply molybdenum oil solution to the piston pin
outer surface.
Install the piston with the " I N " mark toward the
intake side and insert the piston pin through the
piston and connecting rod.
Install new piston pin clips into the grooves in the
piston pin hole.
NOTE:
• Make sure that the piston pin clips are seated
securely.
• Do not align the piston pin clip end gap with the
piston cutout.
9-8