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CAUTION
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Break-In
Procedure
The 1978 Pantera, Cheetah, Panther, Jag and
Lynx snowmobiles require a short break-in when
new or after the engine has been overhauled.
Strict adherence to the following break-in
procedure will contribute to optimum perfor-
mance and longevity of the Arctic Cat Spirit
engine.
For thefirstten (10) hours, the engine must not be
subjected to heavy load conditions or prolonged
full throttle operation. During break-in, a maxi-
mum of 3/4 throttle is recommended. Operating
speeds should be varied with short bursts of full
throttle operation. Do not run the engine at a
steady speed or at wide open throttle (WOT) for a
prolonged period of time.
The 1978 Arctic Cat snowmobile carburetors
have been calibrated for amixture of gasoline
(88 octane minimum. 92 octane minimum)
and Arctic Cat Snowmobile
Oil.
Therefore.
unless absolutely necessary DO NOT use
regular brand snowmobile oils.
If
regular
brand snowmobile oil is used. however. mix
gasoline (88 octane minimum. 92 octane
minimum) and oil using a 20: 1 ratio (20 parts
gasoline to 1 part oil). DO NOT use outboard
motor oil or regular mineral oils because
engine damage will likely result.
I
/
VIU((!ly
.
IIlI /
GAS
'I
88
OCTANE
1/
After the engine is broken-in, the top speed may
gradually be increased.
II
During any break-in period, only a 25:1 fuel
mixture ratio is recommended.
PANTERA FC
PANTHER,CHEETAH
JAG, LYNX
PANTERA FA
0725-022
f
Fuel Mixing
The two-cycle Arctic Cat Spirit engine requires a
lubricating oil to be mixed with the gasoline for
lubrication and internal engine cooling. The oil is
used to lubricate the crankshaft, connecting
rods, bearings, pistons and cylinder walls;
excessive wear will also be prevented. Because of
the importance of a good engine lubricant, Arctic
recommends the following fuel and oil:
Fuel
88 Octane minimum - Pantera FC,
Panther, Cheetah, Jag, Lynx
92 Octane minimum - Pantera FA
Oil
Arctic Spirit 50:1*
*If this oil is not available, use a good quality SAE
30 W snowmobile oil.
The correct ratio of gasoline to oil is 50:1 (fifty
parts of 88 or 92 octane minimum grade gasoline
with one part of snowmobile oil). This is
equivalent to one pint of Arctic Spirit 50:1 oil to 6
US gallons of gasoline.
Genuine Parts
When replacement of a part is necessary, use
only genuine Arctic Cat replacement parts. They
are precision-made to ensure high quality and
correct fit. Refer to the 1978 Pantera Parts Manual
(Form No. 0185-107), Panther Parts Manual
(Form No. 0185-104), Cheetah Parts Manual
(Form No. 0185-103), Jag Parts Manual (Form
No. 0185-102) or the Lynx Parts Manual (Form
No. 0185-101) for the correct part number,
quantity needed and description.
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