Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 333Get this manual

Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 333

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POWERHEAD

NOTE: Model Year 2000 Cylinder head o-rings are oval shaped and are not directional in their installationO-rings should not be damaged or twistedReplace as requiredModel Year 20