http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/250122_keefer.mp3
Keefer sits down with Jamie Ellis from Twisted Development to talk about the secret under the fuel tanks of some professional MX/SX teams. Can you tame down the YZ450F enough to ride it harder/longer? Is the cost of this throttle body felt enough on the track? What other teams are using an aftermarket throttle body…
