In this video I show how I check the valves on my 2021 Yamaha YZ250F. I hope this video is helpful and if it is please consider subscribing for more related content!
I got a 2019 yz250f been having problems outta nowhere. Im driaing batters not getting gas in the fuel new plugs still same problem starts 1 time hit the gas it cuts any ideas?
Visual inspection of valve seat contact area for wear, checking for excess play between seat and stem. Any unusual wear, and when the valves won’t hold a clearance (goes out of spec)
