Jump to content
Sign in to follow this  

yz 250f Pro Moto Billet

Recommended Posts

I have a PMB insert with the screen and turn down peice and was wondering what the cons of having this is. Does it mess with the valves and reduce horsepower or snap of the bike?

Share this post

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Reply with:

Sign in to follow this