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  1. 1

    '84 120 Merc trouble starting

    Hello all. Just wanted to share a problem I am having with my 1984 120 Merc and see if anyone has suggestions:<br /><br />Doesn't want to start right off. Seemed like battery was a bit sluggish, so I replaced last week. Upon installing new battery, it started right up! I thought my troubles...
  2. 1

    Changing Oil in 120 Merc

    So, I am the proud new owner of a 1984 Sport Craft with a 120 Merc. The oil has not been changed in the last year and judging by the looks of it on the dipstick, it could stand to be changed. Unfortunately, this is my first I/O and I wanted to be sure what I was doing before I jumped in with...
  3. 1

    120 Merc pulling to the left

    Hello all. I just purchased a 1984 Sport Craft with a 120 Mercruiser I/O. At idle speeds (no wake around 1000 rpm), boat steers straight as a needle. When "full throttle" it seems as if you have to fight to keep it straight.<br /><br />If you let go of the wheel, the boat wants to pull left...
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