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    Hot water @ telltale

    While running my 1987 Mercury 150hp XR2 on the muff I noticed that the water at the telltale was getting really hot. I had plenty of flow thru the telltale as well as thru the prop, but it was too hot to hold your hand in for very long. Does this sound normal or should I check the T-stats and...
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    Thrust washer removal

    I just purchased a new ss prop and removed the old ss prop from my 1987 150 hp XR2 for the first time since buying the boat. Should I also change the thrust washer now or is there a way to tell if they need changing? I bought the boat used so I have no idea how long that washer has been on...
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    XR2 difference

    I have a mercury black max XR2 150 hp (1987). What is the difference between this motor and the standard black max.
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