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    Cleaning spark plugs

    Is there a good way of cleaning spark plugs I have always replaced with new but a lot of people talk about cleaning them <br /><br />Thanks Steve
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    Split Fire Spark Plugs

    Can anyone give there opinion on these plugs do they help or hurt your engine? <br />Do they void a factory warranty?
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    can this be done or am I crazy

    Mercury 125 on 171 Champion I know that everyone says that to get full rpm you can change the pitch of the prop. I agree but I have a 4 blade quicksilver 25 pitch prop and have a great hole shot with a top end about 55 mph roughly about 4700 rpm not bad but can you adjust the governor to let it...
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    mercury 125

    I have a mercury 125 it is a 4 cylinder, but when it is idleing it kicks off 2 cylinders somehow. It has a bad hesitation when taking off. Is there a way to keep all 4 cylinders running all the time?
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