2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 64Get this manual
ENGINE Engine Service Data
Cylinder HeadValve
Rocker Arm Rocker arm ID Rocker shaft OD Rocker shaft Oil Clearance Std Limit Camshaft Cam lobe height In Ex Camshaft journal OD Camshaft journal bore ID Camshaft Oil clearance Cylinder Head Surface warpage limit Standard Height Valve Seat Contacting width In Ex Valve Guide Valve Inner diameter Protrusion above head Margin Thickness In Ex Valve Stem diameter Stem Oil Clearance Std Limit Overall length Valve Spring Overall Length Squareness In Ex Std Limit Std Limit Std Limit In Ex In Ex Std Limit Std Limit Std Limit Std Limit Mag PTO Mag PTO Std Limit