NOTICE
Operating the snowmobile with incorrect jetting can result in serious engine
damage. Have your POLARIS dealer perform all carburetor adjustments to
ensure all adjustments are done correctly.
CARBURETOR ADJUSTMENTS
The frequency at which the carburetors are synchronized or balanced is
important. Properly adjusted carburetors can greatly improve engine
performance, fuel economy, engine life, and reliability.
If you notice any of the following conditions, the carburetor may need
adjustment:
• Hard starting
• Poor idle
• Overheated pistons and cylinder walls
• Plug fouling
• Poor engine response to various throttle valve openings
CARBURETOR WATER/SEDIMENT TRAP
Most POLARIS snowmobiles contain patented carburetor bowl water/ sediment
traps located at the bottom of each carburetor. The trap, consisting of a hose
with a plug, should be drained about every 1000 miles (1600 km) and inspected
for contamination.
WARNING
When draining the traps, fuel spillage will occur. Always work in a well
ventilated area away from anything that may cause the fuel to ignite, such as
open flames, sparks, heaters, trouble lights, cigarettes, etc. Review the fuel
warnings on page 59.
82
MAINTENANCE
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