Polaris 2013 600 Switchback - Manual (Page 76)

72
OPERATION
Fuel Recommendation
For peak performance, POLARIS recommends the use of 91 octane fuel
or higher. Although 87 octane fuel is usable, some engine performance
will be lost and fuel economy will decrease. Do not use lower than 87
octane fuel. Do not use fuel containing more than 10% ethanol. Never
use E85 fuel in your snowmobile.
NOTICE: Operating with obstructed fuel systems will result in serious engine
damage. Perform maintenance as recommended.
Prolonged exposure to petroleum based products may damage paint.
Always protect painted surfaces when handling fuel.
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 one to two 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 Plus. See page 116 for the part numbers of POLARIS
products.
If you use fuel with up to 10% ethanol (sometimes labeled “oxygen-
ated”) do not add deicers or additives that contain any form of alcohol.