Search results

  1. L

    What is this strange noise

    Drained and checked lower unit oil yesterday and it looks good, no metal shavings or anything. Cleaned the o2 sensor as well, it was dirty but not terrible. The noise is still present. I never thought about the high pressure pump or the high pressure drive belt. I will check the belt tension and...
  2. L

    What is this strange noise

    The prop and thrust washer all look good. I will check gear lube and the o2 sensor tomorrow.
  3. L

    What is this strange noise

    I have a 2003 yamaha vmax hpdi 200. The engine starts and runs great but has been making the noise present in the first video linked below for several months now. It only makes the noise when in gear, and goes away at higher rpms, and its performance has remained consistent throughout the year...
  4. L

    Vmax hpdi 200 problem

    It's a 2003 vmax hpdi 200. It starts fine every time, but as soon as I try to take off and get on plane it bogs down ( doesn't fluctuate rpm) for a few seconds until rpms increase and it gets on plane. It feels like a lack of power almost, once I'm on plane it runs fine. Once I come off of plane...
Top