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Where beaded exhaust flange gaskets are used,they must be assembled(two each per exhaust port flange)with their beads interlocking. The flat side of the asket must face toward the cylinder head and the raised or bead side,toward the exhaust stack,See Figure2.
After initial installation,retorque the exhaust flange nuts after the first 25-hours of engine operation to allow for permanent seating of the beads. The beaded exhaust flange gasket can not be reused.Replace this beaded gasket with a new gasket sfter each removal.
