Arctic Cat 1987 AFS El Tigre Service Manual page 30

II NOTE: Secure connecting rods with rubber
bands on the cylinder studs.
Insta ll the piston rings on each piston so the
letter on the top or inc lined surface of each
ring faces the dome of the piston.
Fig. 2·75
•
CAUTION
•
Incorrect installation of the piston rings will result
in engine damage.
E454
Apply oil to the connecting·rod small end
bearings; then install the small·end bearings.
9. Place each piston over the connecting rod so
the arrow on the piston dome points toward
the exhaust port; then secure with a piston
pin.
II
NOTE: Apply oil to the piston pin before in·
stalling.
10. Install the circlips so the open end is directed
either down or up.
Fig. 2·76
•
CAUTION
•
Make sure circlips are firmly seated and the open
end is directed either down or up before continu-
ing with assembly.
11. Apply a t hi n coat of silicone sealer to both
sides of each cyl inder·base gasket; then in·
sta ll gaskets on the crankcase.
12. Rotate each piston ring unt il the ring ends are
properly pos itio ned on either side of the ring
keeper; then apply oil to the piston
assemblies and cylinder bores . Remove the
rubber bands from the connect ing rods.
II
NOTE: Apply a generous amount of oil to the
surface of the pistons, rings, and cylinder
bores .
Fig. 2·77
0726·306
13. In turn on each piston, place a piston holder
(or suitable substitute) beneath the piston
skirt and square the piston in respect to the
crankcase; then using a ring compressor or
the fingers, compress the rin gs and slide the
cylinder over the piston . Remove the piston
holder and seat the cylinder firmly onto the
crankcase.
Fig. 2·78
041
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