valves

  1. MikeyZ

    2008 Nytro Valve Problem

    Hey guys, I’m a newbie and I’m excited to join this group! I replaced my head gasket last week and I have been struggling to get both intake and exhaust valves closed at TDC. The caps and spacers are in their original order. I used an endoscope camera to confirm that the valves are open and...
  2. J

    Unusual Technical Support Request

    I've learned a lot from this forum, as I have lurked a while. I fly gyroplanes and own a machine powered by a Yamaha Nytro 2009 FX-?? that had a problem the other day. It had an overheat issue...but then it got wierd: * I left it to cool down after landing, and it was running well. I started...


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