Polaris Victory Standard Cruiser 2001 Manual page 39

Engine Oil
Running with low oil level can lead to engine overheating and
seizure.
The engine lubrication oil is Victory 20W-40 semi-synthetic oil. It
is specially formulated for lubrication and cooling attributes for Vic-
tory engines.
Make certain the engine oil is at the specified level. Fill with oil as
directed on pages 49 and 50.
PRE-RIDE INSPECTION
32