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    1986 MERC 135 ADVICE

    I AM LOOKING AT BUYING A 1986 MERC 135 DOES ANYONE HAVE ADVICE. IS THIS A WELL BUILT MOTOR THAT MAY BE WORTH BUYING EVEN AT 20 YEARS OLD?
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    Is Oil Injection Pump Working Properly on 89 Merc.

    I have an 1989 Merc 100. A mechanic told me he has seen many of these engines fail due to the oil injection pump. Is there any warning or method of testing to know if the pump is working properly or should I start mixing manually and take the pump off line.
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    Is the oil pump failing on my 89 merc 110hp?

    My 89 Merc 100hp outboard is overheating at low rpms only after about 15 minutes of use. I have checked the poppet valve, thermostat, and water pump and everything looks to be in good condition. Could this overheating be caused by an oil injection pump beginning to fail?
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    89 Merc 100hp overheat horn @ trolling speed only

    My 89 merc 100hp outboard has been running perfect for the last 2 years. The last 2 times on fishing trips the overheat horn has sounded after approx. 15 minutes at trolling speed. There is no horn on the way to and from the fishing area when the engine is at a higer speed and rpm. The load...
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