5
9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
5.3
FUEL RECOMMENDATION
NOTICE
Prolonged exposure to petroleum based products may
damage paint. Always protect painted surfaces when
handling fuel.
NORTH AMERICAN FUEL
For peak performance, POLARIS recommends the use
of fresh quality, non-oxygenated 91 octane level fuel or
above. Although 87 octane fuel is usable, some engine
performance will be lost and fuel economy will decrease.
NEVER use unleaded fuels with an ethanol rating of E15
or E85 as severe engine damage may occur.
IMPORTANT
NEVER use fuel containing more than 10 percent
ethanol, including E85 or 88 E15 fuel, in your
snowmobile.
REQUIRE-
MENT
650 MODELS 850 MODELS
Minimum Fuel
87 E10 (R+M)/2 87 E10 (R+M)/2
Maximum
Performance
Fuel
91 E0 (R+M)/2 91 E0 (R+M)/2
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.
INTERNATIONAL FUEL
For peak performance, POLARIS recommend the use of
95 octane E10 gasoline or higher octane. If lower octane
is used, some engine performance will be lost and fuel
economy will decrease. Do not use gasoline with higher
ethanol rating than E10.
REQUIRE-
MENT
650 MODELS 850 MODELS
Minimum Fuel
95 RON E10 95 RON E10
Maximum
Performance
Fuel
95 RON E0 95 RON E0
REQUIRE-
MENT
650 MODELS 850 MODELS
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.
FUEL SYSTEM
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