2011 Polaris Ranger RZR ATV Service Manual, Page 58Get this manual
ENGINE 800 EFI Engine Service Specifications Cylinder HeadEngine Specifications
Main Component: Cylinder Head Cam Lobe HeightIntake Cam Lobe HeightExhaust Camshaft Journal Outer DiameterMag Camshaft Journal Outer DiameterCenter Camshaft Journal Outer DiameterPTO Camshaft Camshaft Journal Bore Inner DiameterMag Camshaft Journal Bore Inner DiameterCenter Camshaft Journal Bore Inner DiameterPTO Camshaft Oil Clearance Camshaft End Play Counter Balance Cylinder Head Cylinder HeadStandard height Valve SeatContacting WidthIntake Valve Seat Valve SeatContacting WidthExhaust Valve Seat Angle Valve Guide Inner diameter Valve Guide Valve Guide Protrusion Above Head Valve Stem DiameterIntake Valve Stem DiameterExhaust Valve Stem Oil ClearanceIntake Valve Valve Stem Oil ClearanceExhaust Valve Stem Overall LengthIntake Valve Stem Overall LengthExhaust Valve Spring Overall LengthFree Length Valve Spring Valve Spring Overall LengthInstalled Height 0.00275" 4.51" 4.5453" 0.00098" (0.0870 0.025 mm) 0.375 mm) 0.38 mm) 0.01476" (114.5550 .01496" (115.45 3.478" (88.35 mm) 0.0472" 0.0591" 45.5 0.2367" 0.807" 0.2356" 0.2351" 0.00228" 0.00787"0.0039" (1.20 0.00787"0.0039" (1.50 0.255 0.00029" (6.012 0.0039" (20.50 0.00039" (5.985 0.00039" (5.972 0.00098" (0.058 0.007 mm) 0.01 mm) 0.01 mm) 0.01 mm) 0.025 mm) 0.200.10 mm) 0.200.10 mm) Counter Balance End Play Cylinder HeadSurface warp limit 1.656" 1.637" 1.617" 0.00276" 0.0167" 0.00039" (42.07 0.00039" (41.58 0.00039" (41.07 0.00079" (0.07 0.0098" (0.425 0.010 mm) 0.010 mm) 0.010 mm) 0.02 mm) 0.25 mm) RZR800HO-11 (PN 1204276) 1.357" (34.477 mm) 1.342" (34.096 mm) 1.654" 0.00039" (42 0.010 mm) 0.010 mm) 0.010 mm)