2009 Polaris Outlaw 450/525 Service Manual, Page 198Get this manual
4-9 Remove the bolts 1NOTE: If no repairs to the cylinder and cylinder head are necessary, the bolts do not need to be removedYou can dismount the cylinder and the cylinder head as oneIn this case, the cylinder head gasket does not need to be replacedRemove the cylinder-head bolts together with the washers and dismount the cylinder head together with the cylinder head gasket Do not lose the dowels