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    Mercury 70HP 2 Stroke 3cyl.- Black Oil At bottom of Lower Unit and Around Prop???

    Hey Guys, So, finally able to learn how to edit pics and upload properly! Haha. Um i was installing new fish finder transducer yesterday and realized there was a couple drops of black oil under the prop and lower unit, not sure if its lower unit oil, i just replaced it like a month ago. I...
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    Mercury Outboard 70 (3 CYL.) update on the carb adjustments and rpm's

    Well i think i have gotten it close to where it needs to be again, in throttle off idle im rpm'ing at roughly 900 rpms...if i lift the throttle to WOT it was rising to the 4000 4500 range but not quite to 5000 5500. and after running for a while and switching back and forth it only seemed to go...
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    Mercury Outboard 70 (3 CYL.) rough idle, low rpms trying to figure it out

    Hello guys, im back again with another issue with my engine Mercury Outboard 70 (3 CYL.) [ 4571652 THRU 5579016 [USA] ] sorry copy pasted that, i would upload pics but the uploader wont allow any pictures bigger than 2000 by 2000 and my camera doesnt take pics like that so i dont know how to...
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    1979-1983 mercury 70 hp battery cables

    I am replacing my battery cables on my '79-'83 Mercury 70 HP.(no serial #) The old and I think original battery cables were bad, i ordered up some 4 gauge marine cable, 7 foot of black and red. Only because thats the gauge that looked to be on there originally. But these new cables are way...
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    Merc 70hp '79-'83 main battery wires?

    Hey guys, just another issue here with my '79-'83 mercury 70hp outboard. Again, I have no serial number. manual tilt engine. So I went to hookup a new battery yesterday to see if the engine will crank. and I was about to replace the leads on the battery wires from the engine, and discovered...
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    Tilt issues on '79-'83 mercury 70hp

    Ok, so first of all i do not have the serial number for this engine which is making **** so difficult. Looks as if it has been removed. But it is for sure a 1979-1983 mercury 70 hp outboard with no i repeat no power trim, as every stupid manual and diagrams have been showing me motors with...
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