Hi There,
I have a 2001 Yamaha 8HP 4 Stroke that makes a whine or rattle when the throttle is between 5-15%. It has been this way since I have owned it which has been about 5 years.
Here is a video of the noise https://youtu.be/yLnkdZUhfCc
If anyone has any ideas what could be wrong I would...