2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 60Get this manual
ENGINE Sportsman 500 H.OEngine Service Data (EH50PLE 498cc Fuel Injected and Carbureted)
CylinderPistonConnecting Rod Surface warpage limit (mating with cylinder head) Cylinder bore Taper limit Cylinder Out of round limit Piston clearance Boring Limit Std Piston Outer diameter Std Limit Std EH50PLE (498cc) .0020" (0.05 mm) 3.6221-3.6228" (92.00-92.02 mm) .0020" (0.050 mm) .0020" (0.050 mm) .0006-.0018" (0.015-0.045 mm) .0024" (0.060 mm) .020" (.5 mm) 3.6204-3.6215" (91.970-91.985 mm) .0098" (.25 mm) OS 3.6304-3.6310" (92.21-92.23 mm) .0197" (.50 mm) OS 3.6403-3.6407" (92.46-92.47 mm) Standard inner diameter of piston pin bore Outer diameter Piston Pin Standard clearancepiston pin to pin bore Degree of fit Top ring Piston Ring Piston Ring Installed gap Second ring Oil ring Top ring Second ring Std Limit Std Limit Std Limit Std Limit Std Limit Std Limit Std Limit Std Limit .9055-.9057" (23.0-23.006 mm) .9053-.9055" (22.994-23.0 mm) .0002- .0003" (.004- .008 mm) Piston Pin must be push (by hand) fit at 68o (20o C) .0079-.0138" (.20-.36 mm) .039" (1.0 mm) .0079-.0138" (.20-.36 mm) .039" (1.0 mm) .0079-.0276" (.20-.70 mm) .059" (1.5 mm) .0016-.0031" (.040-.080 mm) .0059" (.15 mm) .0012-.0028" (.030-.070 mm) .0059" (.15 mm) .9058.9063" (23.00723.020 mm) .0003-.0010" (.007-.026 mm) .0020" (.05 mm) .0039-.0256" (.1-.65 mm) .0315" (.80 mm) .0004-.0015" (.011-.038 mm) .0020" (.05 mm) .0024" (.06 mm)