2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 133Get this manual
ENGINE 7Fully install Flywheel Puller PA-49316 on threads of flywheel (left hand threadturn flywheel puller COUNTERCLOCKWISE to install on flywheel)Hold puller body (A) and tighten center bolt (B) to remove flywheel
Crankcase (Lower)Oil Pump Disassembly
1Remove oil pump cover plate screwsNote location of two longer (M6x20) screws for assemblyThese screws secure the pumpRemove three baffle plate screws (A) and plate290 lb-in(10 Nm) M6x16 (all outer screws) 96 lb-in(12 Nm)
21 lb-ft(28 Nm) M6x20
9Loosen (12) outer crankcase bolts (C) evenly 12 turn, then loosen (2) longer case bolts (D), then the (6) main crankcase bolts (E)Remove all