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    mercury 40 lower unit seals

    i have a 95 merc 40 horse and my o ring seal in the lower unit is leaking pretty bad. i have all 3 seals to replace the old ones in the output end but my question is what do i need in order to get the bearing carrier out. is this a job i can do or am i going to have to take it to the shop and a...
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    water pump `

    in order to change the water pump on a 1991 mercury 175 what do i have to do? ive changed water pumps before but on no motor bigger than a 40 horse. just wondering if anyone could give me an idea before i do it.
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    slow trim?

    i own a jon boat with a 95' 40 horse mercury. the power trim was struggling badly and was very slow. i replaced the trim motor with a new one last year but the speed of the trim is very slow compared to all other boats i have hunted or fished out of. any idea why the slow trim, or is this normal??
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    compression Q's

    i am looking to purchase a 96 yamaha 50 horse from a guy i work with. i am wanting to know if anyone knows how much compression i should be expecting from a motor of this age in good condition. i have not tested it but i will before the purchase. please let me know if you have any idea. thanks
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