2010 Polaris Sportsman 850 Service Manual, Page 154Get this manual

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ENGINE Crankcase Preparation (Lower)
M6x16 (all outer screws) 106 lb-in(12 Nm) 21 lb-ft(28 Nm)
12 lb-ft(16 Nm) Ensure tab is visible to verify assembly
21 lb-ft(28 Nm)<