We Tore Apart My Bike To Put A Race Engine In... Is it Better?

[@scottsoulsby5447]

would like to do this to my 21 yz250f, keep up the vids aswell mate👍

[@robmendham6568]

Another great video - good feedback on Yamalube as well!

[@Rízek282]

Yamaha is very very good bike

[@_WebersWorld]

Jeeze m8 these bikes are heard to run like 450 hours until the need a rebuild on the yz450f s

[@millermendham]

Hahaha idk about 450 hrs but yea, they run for yonks!