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  1. R

    Coil problems on a Merc MCM488

    After having sat for a couple months the engine won't fire at all. It was running and starting fine before that. Checked for spark at the plugs and didin't see any. As per the manual I have, put main coil wire near a ground to check for spark, but nothing so we replaced the coil thinking it...
  2. R

    Website to buy distributor cheap?

    Come to the conclusion that we need a new distributor for our Mercruiser I/O<br />MCM 488.<br /><br />What sites do you folks reccomend. Whoever's got the best price is probably<br />going to get our order.<br /><br />One suggestion I got was to go to a junk yard, explain what we're doing, and...
  3. R

    Point gap .022 but needs to be .012 to run ??? Need new coil?

    I'm helping my father to get his Mercruiser 488 to run better but we've run into a few problems. The last couple of times he had it out it started to run rough/miss/lose power at higher rpm. The problem worsened until it started to idle rough as well. Cleaned the fuel filters and replaced the...
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