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  1. J

    Yamaha engine help

    Hi all looking for advice, I had brought a 22ft (seawolf) WA with a 1995 225 Yamaha on a bracket. I believe the boat sat for a year prior to me buying it. This past summer had some problems. The first problem was poor running and sudden shut downs. On the advice of a mechanic I had the tank...
  2. J

    Prop question

    Hello all any suggestions to prop size I have a 1987 20 foot Chaparral w/a wt 2000lbs, powered by a 1998 150 mercury o/b wot is 5600. Current prop is a 4 blade 14x20. I have a good hole shot but seems to hit a max speed at 5200 rpms and when increasing to 5600 It appears to offer no help as to...
  3. J

    Mercury Prop question

    Hi new to the Forum and have a problem Identifying the prop on my engine It's 1998 150xl off shore mercury serial 06740017. The existing prop is a 4 blade alum prop with the only #'s I can find are QA6186 20. I have no idea of pitch or dia. I'm thinking of replacing it to gain more top speed the...
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