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9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
2.31
REQUIRE-
MENT
650 MODELS 850 MODELS
Minimum Fuel
95 RON E10 95 RON E10
Maximum
Performance
Fuel
95 RON E0 95 RON E0
Instrument
Cluster Fuel
Selector
Setting*
• 91+ E0 Fuel =
91 PREMIUM
MODE
• ANY E10 OR
UNSURE
Fuel = 87
ETHANOL
MODE
• 91+ E0 Fuel =
91 PREMIUM
MODE
• ANY E10 OR
UNSURE
Fuel = 87
ETHANOL
MODE
* = When the type of fuel in the tank is unknown,
Polaris recommends setting the fuel selector feature to
E10 – 87 ETHANOL mode.
FUEL SYSTEM DEICERS
If you use non-ethanol fuel (sometimes labeled “non-
oxygenated”), POLARIS recommends the regular use of
isopropyl-based fuel system deicer. Add 1-2 ounces per
gallon (8-16 ml per liter) of gasoline to prevent damage
resulting from fuel system icing. Never use deicers or
additives containing methanol. POLARIS recommends
the use of Carbon Clean.
IMPORTANT
If you use fuel with up to 10% ethanol (sometimes
labeled “oxygenated”) do not add deicers or additives
that contain any form of alcohol. Adding deicer to
oxygenated fuels could result in severe engine
damage.
INTAKE SCREENS
The intake screens
q
limit snow ingestion into the intake
system. When operating in loose powder snow, check
the screens periodically to remove any accumulation of
snow or ice.
MAINTENANCE
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