http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/220829_keefer.mp3 Show #297 - Engine Building Talk, Myths And Facts We get Chad Braun From XPR Motorsports on the phone to discuss engines, ecu's, pump fuel vs. race fuel, dyno's, KTM's, Honda's, how to tell the difference between cheap parts>good parts, how to decide on an engine builder and so much more in this all modified engine…

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/220810_keefer.mp3 The long awaited 2023 Yamaha YZ450F has been announced and it is basically all new. We call up Mike Ulrich (communications specialist) and Phillip Lash (Product Planning) to breakdown some specifics of each change and what they mean out on the track. We also will talk about how some of these 2023 changes compare to…

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/220809_keefer.mp3 The 2022 AMA National Motocross Championships at Loretta Lynn's is a wrap! Keefer and family break down the good, the bad and the ugly over the entire week! This show covers the riders, the families, as well as the on/off track entertainment! If you were there at the ranch, listen and relate, but if you…

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/220804_keefer.mp3

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/220802_keefer.mp3

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/220802_keefer.mp3

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/220706_keefer.mp3 Dunlop just introduced their new scoop tire, the MX14, so we break it all down. We will tell you what the differences are between the older MX12 and the new MX14 as well as give you information on how a scoop feels on an intermediate terrain type track.

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/220627_keefer.mp3