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  1. R

    venting gas tank 2000 johnson

    I own a 2000 30 hp johnson 2 stroke on a 14 ft crestliner. If the gas tank was not properly vented could that reduce the rpm or speed of the boat. When I remove the cap to fill the tank it is difficult to open and sounds like a vaccuum when I finally get the cap to move. The air is rushing in...
  2. R

    2000 30 hp johnson "sluggish"

    I recently purchased a 14'5 crestliner SC with a 30 hp johnson 2stroke, year2000. The motor starts great, idles fine, however, with two of us in the boat at full trottle the boat seems sluggish. The rpm's will not go above 4000. The operating spec's says 4500-5100. It takes a while to plane the...
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