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    2003 F115 Suzuki Rough running engine

    About 100hrs now, my friend's engine is running rough at idle and mid-range. After the motor runs for a bit it will turn up to full RPM at WOT, and then it will run fine. But if turned back off after a bit it will start back up and run rough again. <br /><br />My thoughts, spark plugs? Gaps? <br...
  2. C

    Merc 150 EFI troubles - major

    Ok all, I am having some major trouble here. Just 2 months ago my port engine oil injection failed and blew that engine. 20 hours of use after I get the boat back the starboard engine oil alarm went off and that engine broke a ring in the #2 piston. What is up with these engines? These are...
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