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    mercury 1969 1000 (100hp) wont go full throttle all of a sudden

    A few weeks ago my 1969 was running great. I was pulling people on the tube and skis. Today, when I got on the water I push the throttle all the way and it only goes < 10mph. I took the cover off and looked at the carbs when pushing full throttle... the carbs only open a tiny crack. What could...
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    Can I use my lower unit with this motor?

    I have a 1977 Mercury 1500 that blew from overheating. I found a 85hp merc 4cyl Thunderbolt powerhead on craigslist. (http://cleveland.craigslist.org/boa/5008549813.html) The owner said he's not sure of the Serial number, so I can't be sure of the year... "Ok, I didn't find the serial # but I...
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    Can I swap powerhead between old Mercury Engines (1969 - 1977)?

    I have a 1977 Mercury 1500 outboard motor that I blew last Summer by overheating. I found a 1969 Mercury 1000 (100hp) motor that has good compression on all 6-cylinders. The 1969 Merc 1000 needs some work to get running, but, I'm wondering if it would be possible to bolt the powerhead onto my...
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