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  1. 2

    reusing piston rings

    I have a mercury 90 HP 4 stroke that i just installed new rings and honed the cylinders. I have about an hour run time on the motor. Im building a mercury 115 4 stroke that uses the same piston rings. Can I hone the cylinders on the 115 and reuse the piston rings from the 90hp. I not going to...
  2. 2

    90HP Four stroke

    Im rebuilding my four stroke 90HP, Should I put sealant on the metal gaskets? Not talking about the head gasket, But the oil tank and exhaust plate? Thanks Kurt
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