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  1. L

    Oil / fuel leaking on Yamaha F20 4 stroke long shaft.

    My engine is a 2007 with 194 hrs on it. If out on the water there is a slick coming on the surface in little bursts every 10 seconds or so whilst trolling at 1000rpm. When stood still on tickover the slick seems constant and extreme. Fuel economy seems very bad but i could be imagining this (...
  2. L

    5hp Mariner/Yamaha 2 stroke

    I have a late 80s 5hp Mariner (Yamaha engine apparently) that starts and runs perfectly at half throttle to full speed. The problem is that when on tick over it starts to flood almost straight away and take 10minutes to restart. The reed valve on one side seems to be open about 1mm but apart...
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