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    350 Magnum - exhaust riser damaged brass plug

    Thanks - Interesting regarding the valve covers reversed. LOL, simple fix. I bought the boat used last fall. The PO had the engine re-built in 2021. Also like the idea of using new plugs with the recessed allen key. New 1/4" NPT 18 tap on order. Thanks for the replies
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    350 Magnum - exhaust riser damaged brass plug

    Hello, I have issue with a brass plug that was seized on one of my exhaust risers. Unfortunately broke this off when trying to remove it. This hex head brass plug is located on the port side riser - facing inside towards cylinders 1,3,5,7 side of the block. The plug actually was interfering...
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    Recommend Oil / Mixture

    I have a 1980 140HP Johnson on a 17' ski boat. Boat / motor does not get a lot use, approx twice a month during the summer for day trips and skiing. I have always noticed some oil / fuel stains on the the tower housing, just below the cowl after use, not excessive but enough to wonder where...
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