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  1. orthoguy

    Mercruiser outdrive..Gasket?

    I just got done rebuilding the water pump in my Mercruiser lower unit. My question is, shouldn't there be some sort of body gasket between the upper and lower drives? I didn't see one, so I guess there isn't one? BTW: Anyone purchasing a used boat or haven't replaced their water pump in a...
  2. orthoguy

    Mercruiser engine year help

    I was finally able to download the Mercruiser manual for the year of my boat, but the engine serial numbers it covers doesn't include my boat....must have a year older engine? Can anyone cross reference the serial # 3084255 I need to order a new water pump repair kit and I want to make sure I...
  3. orthoguy

    1974 Mercruiser Died/initailly was rough idle

    I'm sorry if this answer was posted elsewhere, but I have been searching the forums and couldn't find my specific answer...so here it goes: I recently bought a 1974 SeaRay with a straight 6 Mercruiser 165 HP, the guy said it started idling rough last time he had it out. OK, I get the boat...
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