2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 141Get this manual

2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 141

ENGINE Piston Ring Installed Gap 1Place each piston ring (A) inside the cylinder (B) (from cylinder head side of crankcase)Use
measurements is general indication of cylinder taper (wear)The cylinder should be measured for taper and out of roundHead
gasket surface Piston Ring Installed Gap Top: 0.014" 0.008" (0.36 0.20 mm)Cylinder Warp: .002" (0.05 mm) MaxInspect cylinder
for wear, scratches, or damage Second: 0.014" 0.008" (0.36 0.20 mm) Oil Control Rails: 0.0196" 0.010" (0.50 0.25mm) IMPORTANT:
DO NOT hone the cylinders or attempt to repair damaged cylinder by honingSee "HoningImportant Information" on page 5.50 5Inspect