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  1. 2

    Honda outboards and others: managing salt crystal build-up in outboard cooling pathways

    I have been on an extensive journey trying to manage the build-up of salt deposits within the cooling system of my Honda outboard motors, between 7.5 HP and 15 hp, As a normal management of these motors, I have always have always run them in fresh water after marine use to "flush" them clear...
  2. 2

    Gasket sealant for water pump/oil pan?

    Forgive me if I was unable to find my question answered in the archives, but I have a question regarding to use a sealant or not to seal the oil pan gasket and the water pump gaskets. The Honda OEM gaskets are a paper gasket with a green film on one side, and a blue film on the other. Is this...
  3. 2

    lower BF100crank shaft seal no longer available?

    I'm replacing the exhaust pipe on two BF 100 and BF 75 motors, the older series of blue motor cases. When you change the exhaust tube, you separate the engine at the oil pan/drive shaft level, and the lower crankshaft seal is accessible. The last time I performed this task I also replaced that...
  4. 2

    Alternative charging plug options for BF75/BF100?

    The charging plug/plug connector set is no longer available for the BF75/BF100 motors, yet this is a valued feature on these motors. Has anyone found a suitable replacement coupling? It is a simple two-wire plug that fits through the oil case. The motor side has an inline fuse, but that is...
  5. 2

    BF75 and BF 100 carburetors interchangeable?

    I need to replace my Honda BF 75, which I use for the auxiliary for my 23 foot sailboat. I recently replaced the carburetor on the BF75. If I find a suitable BF100, will my new BF75 carburetor be compatible on the BF 100? I don't need the "extra horsepower" of the BF 100; the BF 75 is perfectly...
  6. 2

    Do the BF 75 and BF 15 have sacrificial anodes inside the engine?

    I see internal anodes (zincs) in the manuals of several of the Honda outboards. Do the smaller outboards also have them? I've been trying to clear the cooling systems of salt and crud in two units that I own, and have not run into any sort of anode in my explorations. Any help with this...
  7. 2

    Honda BF 7.5 valve adjustment: Need to remove fuel pump first?

    I have tried to search the forum for my issue with no results, so I thought I would post. I'm a newbie here, have a 1985 BF75L (SN 170,000's), and have never checked the valve adjustment after many years of ownership. Quick question: does the fuel pump need to be removed prior to the valve...
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