Polaris 2005 ATV Scrambler 500 4X4 - Manual (Page 74)

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MAINTENANCE AND LUBRICATION
Lubrication Recommendations
Premium 4 Synthetic Oil
Polaris Premium 4 All Season Synthetic engine oil has been specially
formulated for use in Polaris 4-cycle engines. It’s a fully synthetic,
high performance, multi-viscosity oil designed to provide the ultimate
in lubrication performance and protection. See page 111 for the part
numbers of Polaris products.
Premium 4 possesses unsurpassed film strength over the widest
possible temperature range. It resists viscosity and frictional
breakdown in ambient temperatures from -40° F. to 120° F. Its
exceptional frictional properties result in more efficient operation, more
power output and lower fuel consumption.
Although Polaris Premium 4 is the only oil recommended for use in
this engine, use of any API certified “SH” oil is allowable as long as
it’s 0W-40. Oil may need to be changed more frequently if Polaris
Premium 4 is not used. Follow the manufacturer’s recommendations
for ambient temperature operation.
CAUTION
Mixing brands or using a non-recommended oil may cause
serious engine damage. We recommend the use of Polaris
Premium 4 All Season synthetic oil or API certified “SH” oil,
0W-40. Never substitute or mix oil brands.