Hey there, new to the forum. I have an 07 yz250 that I just did a full rebuild on top and bottom end and now when I kick it, it revs quite high, kind of like there is an air leak, but can't find one. I am stumped why it is doing this. This was my first time splitting the cases, but have done too end lots and never had this problem. I don't see it being anything to do with the bottom end I don't think. It would be great if someone would have some insight for me
Cheers,
Alex