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  1. K

    2013 Yamaha 25 hp 4 stroke carb issues?

    I’m in the process of tuning up this motor. Gas was left in the carb and it was gunky. I soaked and cleaned it, blew out the jets. It idles smooth, runs up ok but—if you run it up slowly there is a spot just after the throttle begins to advance, where it bogs down and will even back fire. So...
  2. K

    25 hp blowout The

    I have a 1468 Lowe v Hull and a 1998 25 hp mercury 2 stroke. The transom on my boat is 20” the shaft on the Mercury is 19.5, which puts the cavitation plate about 1/2 inch above the bottom of the boat. The standard 13 pitch prop that came with the motor does not seem to like this as I...
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