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  1. R

    what do these compression numbers mean?

    97 mercruiser 4.3l. this motor hydro locked. i found a bad flapper valve on the starboard side. no indication of water in the oil as far as i can tell, but i haven't pulled a valve cover. no creamy foam under the breather cap and the oil on the dipstick looks good. starboard port readings...
  2. R

    exhaust flapper delete

    i am in the process of converting my 97 bryant with a 4.3l mercruiser to a two piece manifold set up on the adivce of forum members here. i have everything torn apart and noticed one of the exhaust flappers is bad. i'm not able to find any parts locally to replace the flapper, and while...
  3. R

    hydro locked 4.3l mercruiser

    i managed to hydro lock my 97 bryant with a 4.3l mercruiser. it appears the culprit is perhaps dieseling. i got the water out of the cylinders asap and have the motor back running again. it doens't look like any water contaminated the oil. i had run the boat pretty hard, but idled up to the...
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