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! CAUTION
Use only GENUINE Mikuni brass
main jets. Also, if using an oxy-
genated gasoline (up to 10% eth-
anol or up to 15% MTBE), the
carburetor main jet must be one
size larger than the main jet
required for regular unleaded
gasoline.
NOTE: Carburetor main jet(s)
may be changed by the snow-
mobile owner if qualified to do
so. If the owner does not feel
qualified, take the snowmobile
to an authorized Arctic Cat
Snowmobile dealer for this ser-
vice. This service is at the dis-
cretion and expense of the
snowmobile owner.
! CAUTION
A main jet which is too small will
cause severe engine damage.
Engine damage caused by lean
jetting WILL NOT BE covered by
our warranty policy.
! WARNING
Whenever any maintenance is
performed on the fuel system,
there should be no welding,
smoking, open flames, etc., in
the area.
1. Loosen each carburetor flange
clamp and remove each carbure-
tor from the intake flange and
boot.
2. Remove each drain plug and O-
ring from the carburetor float
chamber and drain the gas into a
small container or shop towels.
MAINTENANCE
3. Using the main jet wrench (from
the tool kit), thread the main jet
out of each carburetor. Account
for the baffle ring/washer. Install
the new main jet and the existing
baffle ring/washer. Tighten the
main jet securely.
4. Install each drain plug and O-
ring; then tighten securely.
5. Install and secure the carburetors.
SPARK PLUGS (1100
cc Z1)
NOTE: If spark plugs must be
replaced, take the snowmobile
to an authorized Arctic Cat
Snowmobile dealer for inspec-
tion and service. If not under
warranty, this service is at the
discretion and expense of the
snowmobile owner.
SPARK PLUGS
NOTE: Always use the recom-
mended spark plugs in the
engine.
See
specifications chart for correct
spark plug gap.
0728-054
the
appropriate
59
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