Snowmobile Polaris Trail RMK (2010 year). Instruction - part 13

 

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Snowmobile Polaris Trail RMK (2010 year). Instruction - part 13

 

 

53

OPERATION

Slide Rail and Track Cooling

NOTICE: Inadequate cooling and lubrication will lead to overheating of the slide 

rail and track, resulting in premature wear and failure. Reduce speeds 

and frequently drive into fresh snow to allow adequate cooling and 

polishing of the slide rail and track surfaces. Avoid operating on ice, 

hard-packed surfaces or roads.

Fuel

WARNING! Gasoline is highly flammable and explosive under certain 

conditions.
• Always exercise extreme caution whenever handling gasoline.
• Always refuel outdoors or in a well-ventilated area. 
• Always turn off the engine before refueling.
• Do not overfill the tank. Do not fill the tank neck.
• Do not smoke or allow open flames or sparks in or near the area where refu-

eling is performed or where gasoline is stored.

• If gasoline spills on your skin or clothing, immediately wash it off with soap 

and water and change clothing.

• Never start the engine or let it run in an enclosed area. Engine exhaust fumes 

are poisonous and can cause loss of consciousness or death in a short time.

• Turn the fuel valve off whenever the snowmobile is stored or parked.

Exhaust

WARNING! The engine exhaust from this product contains chemicals known to 

cause cancer, birth defects or other reproductive harm. Operate this vehicle only 

outdoors or in well-ventilated areas.

54

OPERATION

Fuel

Fuel Recommendations

Your Polaris engine is designed to run on 87 octane non-oxygenated or 

89 octane oxygenated pump gasoline. There’s a great deal of variability 

in the quality of the 87 octane gasoline available, so we encourage the 

use of premium fuel when possible. Do not use lower than 87 octane 

fuel. Do not use fuel containing more than 10% ethanol (including E85).

NOTICE: Using fuels with a lower than recommended octane or operating with 

obstructed fuel systems will result in serious and costly engine dam-

age. Always use the recommended fuels for your machine.

Fuel Reserve Capacity (Mechanical Gauge)

There are approximately two gallons of fuel left in the tank when the 

mechanical fuel gauge reads RES.

Fuel System Deicers

If you use non-oxygenated fuel, Polaris recommends the regular use of 

isopropyl-based fuel system deicer. Add one to two ounces per gallon 

(8-16 milliliters per liter) of gasoline to prevent engine damage resulting 

from fuel system icing and lean fuel mixtures. Never use deicers or 

additives containing methanol. See page 109 for the part numbers of 

Polaris products.
If you use oxygenated fuel containing ethanol, additional alcohol deic-

ers or water absorbing additives are not required and should not be used.

NOTICE: Prolonged exposure to petroleum based products may damage paint. 

Always protect painted surfaces when handling fuel.

55

OPERATION

n

Oil

Low Oil Indicator Light

The low oil indicator light will alert the operator if the oil level is low. 

Visually check for oil in the bottle. If oil is not visible, continued opera-

tion may cause serious engine damage. Add oil before further operation 

of the snowmobile. See page 51 for oil recommendations.

Low Oil Level

Maintaining the proper oil level will prevent system aeration and possi-

ble loss of pumping action, which could result in engine damage. This is 

especially important when the machine is operated in mountainous ter-

rain.
Always check the oil level when refueling. When the oil reaches the low 

level mark, add one quart (.9 l) of recommended oil to the tank. See 

page 51 for oil recommendations.

NOTICE: Operating the snowmobile without adequate engine lubrication can 

result in serious engine damage. Always check the oil level when refu-

eling. Add oil as needed.

The Polaris oil cap on the oil bottle may be vented to allow proper oil 

flow. See your Polaris dealer for recommended replacement parts.

56

OPERATION

Carburetion

Proper carburetor adjustment is critical. Always have your Polaris 

dealer perform any carburetor adjustments.
A lean mixture (too much air, too little fuel) may result in piston burn-

ing, bearing failure, or complete engine failure. A rich mixture (too 

much fuel, too little air) may foul plugs and cause generally poor engine 

performance.
A lean mixture may be caused by things like fuel line restrictions, for-

eign matter in the carburetor or clogged fuel filters. A rich mixture may 

be caused by snow build-up on the pre-filter in the air intake system. 

Either condition may be caused by improper carburetor adjustment.

 

 

 

 

 

 

 

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