Snowmobile Polaris 600 IQ Widetrak (2017 year). Instruction - part 20

 

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Snowmobile Polaris 600 IQ Widetrak (2017 year). Instruction - part 20

 

 

83

MAINTENANCE

Spark Plugs

Normal Spark Plug

The normal insulator tip is gray, tan or light brown. There will be few 
combustion deposits. The electrodes are not burned or eroded. This 
indicates the proper type and heat range for the engine and the service.

Tip: The tip should not be white. A white insulator tip indicates overheating, 

caused by use of an improper spark plug or incorrect throttle body adjust-
ments.

Wet Fouled Spark Plug

The wet fouled insulator tip is black. A damp oil film covers the firing 
end. There may be a carbon layer over the entire nose. Generally, the 
electrodes are not worn. General causes of fouling are excessive oil or 
rich fuel mixture.

84

MAINTENANCE

Intake Filters

The intake foam filters limit snow 
ingestion into the intake system. When 
operating in loose powder snow, check 
the foam filters periodically to remove 
any accumulation of snow.

NOTICE: Operating the snowmobile with 

the intake filters removed may 
cause intake icing. The result will 
be poor fuel economy or intake 
malfunction. Always reinstall the 
intake filters before operating the 
snowmobile.

Fuel Pump

All fuel pump service must be performed by an authorized POLARIS 
dealer. Do not attempt to service the fuel pump.

Fuel Filter/Fuel Lines

See your POLARIS dealer for replacement of the fuel filter at the 
intervals outlined in the Periodic Maintenance Table beginning on page 
76.

Contaminated or poor quality fuel will shorten the life of the fuel filter 
and result in poor engine performance. Always store fuel in clean fuel 
containers. If low fuel pressure or reduced engine performance occurs 
between the recommended fuel filter service intervals, the filter may 
need replacement. See your dealer.

Inspect the fuel lines regularly for signs of deterioration or damage. 
Always check fuel line condition after periods of storage. Normal dete-
rioration from weather and fuel compounds may occur. Replace worn or 
damaged fuel lines promptly.

NOTICE: Kinking the fuel lines or using a pliers or similar tools to remove fuel 

lines may cause damage to the lines. If a fuel line has been damaged 
or kinked, replace it promptly.

Intake Filter

85

MAINTENANCE

Oil Lines

Inspect oil line condition every 1000 miles (1600 km).

Oil Filter

The oil filter is located at the side of the 
oil tank. Have your dealer change the oil 
filter and bleed the system annually or 
every 1000 miles (1600 km). Have your 
dealer inspect the return check valve as 
well.

Tip: The direction of the arrows indicates the 

direction of flow through the filter.

Exhaust System

Check the exhaust system for wear or damage at the intervals outlined in 
the Periodic Maintenance Table beginning on page 76.

CAUTION! Hot exhaust system parts can cause burns. Allow adequate time for 
the exhaust system to cool. Never perform this procedure with the engine 
running.

1. Allow the engine and exhaust system to cool completely.

2. Open the hood.

3. Inspect the muffler and pipes for cracks or damage. Check for weak 

or missing retaining springs or damper/support grommets.

4. Replace any damaged or missing components.

5. Clean the plastic surfaces next to the muffler with aerosol 

Carburetor and Throttle Body Cleaner. See page 116 for the part 
numbers of POLARIS products.

6. Close the hood.

86

MAINTENANCE

Cooling System

Coolant

POLARIS recommends the use of POLARIS Antifreeze 50/50 Premix. 
This antifreeze is already premixed and ready to use. Do not dilute with 
water. See page 116 for the part numbers of POLARIS products.

Any time the cooling system has been drained for maintenance or repair, 
replace the coolant with fresh Antifreeze 50/50 Premix.

Tip: Never add tap water to the cooling system. Minerals cause deposits and 

may react adversely with the metals in the engine and cooling system.

Use of a non-standard pressure cap will not allow the recovery system to 
function properly. If the pressure cap needs replacement, contact your 
dealer for the correct part.

CAUTION! Steam and hot liquids will cause burns to your skin. Never remove 
the pressure cap when the engine is warm or hot.

Coolant Level

The engine coolant level is controlled by the recovery system. The 
recovery system components are:

• Coolant recovery bottle
• Coolant reservoir
• Pressure cap
• Connecting hoses

Always maintain the coolant level at the “COLD FILL” mark on the 
coolant recovery bottle (when the engine is cold).

NOTICE: Operating the snowmobile with insufficient coolant will result in 

overheating and serious engine damage. Always maintain the coolant 
level as recommended.

 

 

 

 

 

 

 

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