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  1. J

    tilt trim valve body bolts

    i have a late 70's early 80's 650 merc. i am having a leak between the manifold and the resevoir which upon inspection i saw 2 of the bolts are stripped. can i remove the valve assembly from the plate they are mounted to and drill out the holes to retap for a larger bolt. also the o rings all...
  2. J

    merc 650 water around spark plug

    i have just purchased a late 70's early 80's boat with a merc 650 65 h.p. upon inspection with the cover off the engine and running there appears to be water coming around the top spark plug. i ran the motor for about 30 min. and it did not seem to overheat. there is also a small hole next to...
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