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  1. Mr. Demeanor

    13' tunnel hull at 80mph plus

    Thought some of you might like this. I was headed to meet up with some friends and thought to grab the GoPro before I left the house. This is my 13' Biel tunnel hull with a stock Yamaha 130. Prop is a 30 pitch cleaver at about 6400rpm. The boat has been over 83mph and I think it has an 85mph in...
  2. Mr. Demeanor

    IBOATS July 4th boating picture thread.

    Lots of boating events going on this weekend through the 4th. Post up your best pics....or worst! Being in the boat flag business, this is our busiest time of year. We are fortunate to have the Sarasota Offshore Grand Prix locally here in Sarasota this weekend. There are events all week long...
  3. Mr. Demeanor

    Bleeding hydraulic steering one person: Tutorial Video

    I had to replace a fitting which meant re-bleeding the system so I made a short video to show how I do it without a second person. Let me know what you think: http://www.youtube.com/watch?v=smKMklBQbfo&feature=youtu.be
  4. Mr. Demeanor

    (Spring Cleaning) How to: Cleaning your cooling system with vinegar

    This test was to see the effectiveness of using vinegar to remove salt and scale deposits from a marine engine. I know there are effective salt removing products available. I chose vinegar for this test. The test subject is a salt water used 1994 Yamaha 130 V4 with unknown history of...
  5. Mr. Demeanor

    When cruising rpm drops 400 then picks back up

    2002 200hp carbed Merc saltwater<br />I'm chasing a gremlin. Today while cruising around 4k rpm, the rpm will intermittently drop 4-500rpm for 5-10 seconds then pick back up. I think I may be dropping a cylinder. Carbs have been completely gon through so I am guessing at a bad coil. I pulled one...
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