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    1993 model Force 90 HP

    I just had a 1993 90 hp Mercury Force installed on my 18 ft heavy-duty aluminum hull and it would only rev to 4400 rpms. I would like to find out what it should turn and is there any way to get rid off or bypass the "funky" looking exhaust fin near the prop to be able to runa standard blde prop...
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    Need 100-125 top end parts needed

    I have a 100 hp in-line 4 cyl. 2+2 motor that recently developed problems and I am now in need of a crank & 1 piston/rod combo. If you have any of these parts for this motor that you want to get rid of, please let me know. The lower unit is still in good condition. I might also be interested in...
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    Correct spark plugs?

    I have a 1992 Mariner 100HP in-line 4cyl. This motor idles on 2 cylinders then switches to 4 around 1800 rpms. I need to change the plugs. It has some NGK BP8HS-10 plugs in it now. Should I go back with those or is there a better plug to run?
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    1992 100HP Mariner

    I have a rebuilt 1992 100HP Mariner in-line 4 cylinder outboard that I am having trouble starting FOR THE FIRST TIME ONLY while in the water. It doesn't seem to do this when running it on a hose. It will fire over then die at least 10-15 times before it starts and stays running. I tried choking...
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