Honda 250sx top-end noise

[lowtoe]

Hey folks,

I've had some top-end noise develop since getting my barn-find 3 wheeler running. Seems like I'll need to remove the engine and tear into it a bit, but I would appreciate some opinions on what the noise might be before I dig in.

Here's a video of the noise - https://www.youtube.com/shorts/TmgEk2UiMKs

Thanks!

[shortline10]

Hard to tell from the video .
These motors are known for excessive timing chain noises , there are a few threads on this site on some easy fixes .

[lowtoe]

Hard to tell from the video .
These motors are known for excessive timing chain noises , there are a few threads on this site on some easy fixes .

Gotcha! Didn't know if it would be obvious just from listening to it. I appreciate your response