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    Prop Help

    I have a 16 ft mirrocraft aggrressor with an 80 and 9.9 evinrude kicker. It now has stock 10x9 1/2 prop turning at 3990-4040 at wot. My question is I would like to get a spare prop and would like to get the rpms in operating range. I can now get 9mph with me and son in it. which do you all...
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    1981 9.9 air screw

    Hi all, I have a 1981 evinrude 9.9. My question is.....What is the starting point for the air screw, I was told some older ones are 1 1/2 out and some were 3 out. Which is correct. Thx
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    1991 9.9 cowl size compaired to 1993 25hp

    Is the cowl for a 1991..... 9.9 the same as a 1993.... 25hp thx
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    1991 mercury 9.9 help BOG

    Here we go.... I bought this motor and think I made a mistake. It will start and Idle fine. When I give it the gas she bogs bad and no rev at all. My buddy has a motor that runs but won't sell it but he let me swap parts. I changed everything electrical and carb. SAME THING. Only thing I...
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    1991 merc 9.9 BACKFIRE

    Here it goes. Bought this new to me motor and fired it up on the test tank. I'm getting a backfire that seem to be coming between the flywheel and block. Any Ideas or am I screwed. Its not constant but every 15 seconds or so. 1991 merc 9.9.
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    1975 850 shocks

    I hope this is not a stupid question. My 850 is hard to lift up compaired to my 77 johnson 85. iIs it supposed to be like that?
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    77 johnson 85 hp

    Hi all, I have a 77 johnson 85hp without lower unit. It runs, controls and lower unit have been sold already. Could someone give a ballpark value of this piece. Thx
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    1975 850 tach question

    Hi, I just got a universal 12 pole tach from a reputable seller on ebay and im having trouble. i have the wire correct , but it pegs to 8000 when hit the key. I tried wiring it direct and same thing. on the back of tach there is no dials or anything. This is what i got...
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