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  1. C

    It was a short island, very short!

    About 10 years ago my wife and I were returning from a friends house in my 16 speedboat (150 HP), after a watching a Monday Night Football game. Now its early September at 11:30 PM, pitch black and we are buzzing along at 35-40 MPH, but I have the bridge lights in front of me. What could go...
  2. C

    Cooling Water circulation pattern on 1977 IL 6 150HP OB

    Can someone advise on the path of the cooling water after it leaves the watertube in the center of the exhaust extension? I will guess it cools the cylinders (number six first) as it travels up to the number one cylinder, then splits such that some water goes to the Cylinder head and some goes...
  3. C

    Merc IL 6 left in saltwater, can it be flushed?

    I have a 1977 Merc 150HP OB. I leave the boat docked on the bay (saltwater) all summer. Is there a way to flush it after use with freshwater without trailering it?
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