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    Battery

    I have a 88 25 HP electric start and gudging from what I found in my search I can't expect to many charging amps from the alternator but I want to check to make sure it is charging. How can I check to see what my alternator is putting out?:confused: Tom
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    Thinking about...

    I have a 88 16' Bass Tracker. I want to move the steering controls forward about a foot to re-configure the seating. I don't know how to ID the steering (teleflex, uflex??) system to buy a longer steering cable. How can I ID the steering? It has one cable with a approx 3/4 dia. housing and a 25...
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    Water Pump Impeller

    I have done considerable searching on here and other resources for info on changing the W.P. impeller on my 1988 25XD Merc. I bought this boat last year and it runs good and has good water flow out the pee hole. The boat sat for a few years and I know I need to change the Imp. It appears to be a...
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    Voltage

    I was just reading on the search forum about voltage output on Mercury outboards and i think I have a problem but am uncertian on the solution. I have 1988 25 HP Mercury runs great good compression etc. I just replaced the switch box because I lost spark. I was checking the voltage output off...
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    Spark

    As it turns out from my intermitten spark a few days ago my switch box was bad...new box - new spark. The manufacture of the box said to be sure the rectifier is not bad so I disconnected the Red wire before I turned the engine over to see if I had spark. I want to do a bench test to see if...
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    Whats up with the spark?

    I have a 1987 25 HP Mercury, I am haveing spark issues, it started a about three weeks ago. After running just a few minutes of running in the water Iwould have a cylinder go down ..within minutes it would light back up and be fine the rest of the time we were out. yesterday I unloaded the boat...
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    I now have a good spark

    I kept going through all the connections...especially the grounds and while I was doing a compression check I heard spark jumping from the empty plug wire to the block and so I connected the spark plug and sure enough the spark is blue and strong. I really think it was the ground connection near...
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    manual

    I am in search for a manual download for a 1988 25 HP mercury 2 stroke. Can anyone help? Tom
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    No Spark

    Another Newb at the keyboard...I have a 1988 25 HP Merc, I tried to start it today for the first time. I have no spark. I checked all connections and grounds. I don't have any power to the CDI at all. I traced the only wire that goes back to the Quicksilver control, I did not find a break in the...
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    What year

    Hello...newb here. I have a Mariner 9.9 ser #OB338995, can anyone tell me what year it is? Thanks
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