Arctic Cat 1987 AFS El Tigre Service Manual page 37

Fig. 2·105
19. With the water manifold torqued, secure the
cylinders by tightening the 8 mm cylinder
base nuts to 1.8-2.2 kg-m (13-16 ft-Ib) and the
10 mm nu ts to 3.0-4.0 kg-m (22-29 ft- Ib) . Torque
all the nuts in three steps using the pattern
shown .
Fig. 2-106
Fig. 2-107
0725·551
34
20. A. Applya very thin coat of silicone sealer to
each head gasket; then place head
w/gaskets into position and secure with
eight bo lts, loc k washers, and washers
and four nuts, lock washers, and washers .
Tighten in three steps to 3.0-4.0 kg-m
(22-29 ft-Ib) using the pattern shown. In-
sta ll the spark plugs and tighten to 2.5-2.8
kg-m (18-20 ft-Ib).
Fig. 2·108
Exhaust Side
- :=:::3L--...
Intake Side - - - - - '
0727·068
Fig. 2-109
0725·746
•
CAUTION
•
Make sure the two large water passage holes in
the gaskets are on the intake side of the
cylinders. If the gaskets are improperly installed,
severe engine damage will result.
B. Pos ition the O-rings into posit ion on the
top of each cylinder.
II NOTE: ·If reusing old O·rings and they are
slightly stretched, shrink the O·rings by cool·
ing them (in a refrigerator or in the snow) for a
short period of time.