2009 Polaris Outlaw 450/525 Service Manual, Page 213Get this manual

2009 Polaris Outlaw 450/525 Service Manual, Page 213

5-12 Cylinder head Loosen the bolts and dismount the exhaust flange together with its gasket Dismount the valves with the
the spark plug thread and the valve seats for damage and cracksUse ruler and feeler gauge to check the sealing surface of
the cylinder head for distortionMaxdistortion: 0.10 mmValve guides The valve guides are checked with limit gauge PA-486766.05
mm)If the limit plug gauge can be easily inserted into the valve guide, the guide must be replaced in specialized workshopValve
seats The valve seats must not be "battered"Sealing seat width: inlet: 1.50 mm max outlet: 2.00 mm maxIf necessary, the valves