Polaris MSX 110 Owner's Manual For Maintenance And Safety page 79

MAINTENANCE AND LUBRICATION
Oil Recommendations
CAUTION
Mixing brands or using a non-recommended oil
may cause serious engine damage. Polaris
recommends the use of 15W-50 synthetic 4-cycle
marine oil, API rating SJ, for Polaris Marine Turbo
4-cycle engines. Never mix oil brands.
PS-4 Marine Oil
Polaris Performance Synthetic 4-Cycle (PS-4) 15W-50
Marine Oil was developed for Polaris Marine Turbo
4-cycle engines to provide the ultimate in engine
protection. This fully synthetic formula protects your
high performance engine at all extremes.
PS-4 15W-50 Marine Oil has a wide operating
viscosity range for operation due to the low volatility
synthetic base stocks, friction modifiers and corrosion
protection. This formula provides the ultimate in
protection from the extreme heat of turbo charged
engines in marine applications.
See page 101 for the part numbers of Polaris products.
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