Polaris 800 Pro X - Manual (Page 57)

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OPERATION
Engine Break-In
Oil Injection System
Always fill the oil reservoir when refueling. Fuel-to-oil mix ratios are
controlled by the oil pump and correspond to the engine’s RPM and
throttle valve opening.
Variable Exhaust System
We recommend the use of Polaris VES two-cycle oil in all snowmobile
engines equipped with variable exhaust valves (see chart below).
Oil Recommendations
The only source of engine lubrication for your engine comes from
lubrication added to the fuel and oil injection systems. We highly
recommend the use of only Polaris products. We’re continuously
testing lubricants and provide the highest performance products
available for your snowmobile’s engine. Refer to the table below to
determine the recommended oils for use in your Polaris snowmobile.
Never mix brands of oil. Serious chemical reactions can cause
injection system blockage, resulting in serious engine damage. They
may also be incompatible and the result could be sludge formation,
filter blockage, and reduced cold weather flow rates. All Polaris oils
are compatible with each other.
Engine
Style
Premium
2-Cycle
Premium Gold
2-Cycle
VES
2-Cycle
Fan Cooled Good Better N/A
Liquid Cooled Good Better N/A
Liquid Cooled
w/VES
Good Better Best
Serious engine damage can occur without the proper lubrication.
Check the oil tank level often during the first tankful of fuel. If the
oil level doesn’t go down, contact your dealer immediately.
CAUTION