Rocky Mountain ATV/MC Keefer Tested

Latest Episodes:

Show #461 - 2026 Kawasaki KX450SR Review Dec 21, 2025

Show notes

The Kawasaki KX450SR hasn't changed for 2026 but that doesn't stop us from going over the "race KX450" in order to let you know what the SR does better than the standard KX450. We also talk to a 2026 Yamaha YZ450F owner to hear his initial thoughts after riding the SR. Is the KX450SR the "in between" type of bike you need if you're trying to decide between the KX450 and YZ450F? Find out here!

Show #460 - AZ Open Re-Cap/Amateur MX Talk Dec 14, 2025

Show notes

Recap the whole weekend of the AZ Open with Aden/Kris Keefer as well as Eddie Laret. Hear what went down, how the race was ran, the cost of the event, how the track shaped up, what went right/wrong and a lot of other topics on amateur racing on this episode.

Show #459 - 2026 Modified Kawasaki KX450 vs. Yamaha YZ450F Comparison/Colton Haaker EX Talk Dec 08, 2025

Show notes

Keefer sits down to talk about modifications that make a difference for the 2026 Kawasaki KX 450 and Yamaha YZ450F and then compares those two machines for future buyers. If both bikes have the same mods, which one is best for what type of rider? Find out on this show. As the show wraps up Keefer also cold call's Colton Haaker to discuss his Endurocross series as well as making the move to the KX450 late in the season.

Show #458 - Training Tips For Motocross w/Coach Seiji Dec 01, 2025

Show notes

If you need to get into shape and don't know how, listen to Coach Seiji and Keefer break down some of the fundamentals of basic fitness for motocross riders over the age 40. Seiji also breaks down how to start a training program if you're a blue collar worker and what some of the myths are around training. If you're looking to get some knowledge to be stronger on the track or just want to here Andrew Short stories, this episode is a must.

Show #457 - Vet Masters MX Re-Cap From Echeconnee Nov 24, 2025

Show notes

Heather and Kris Keefer sit down to talk about the Vet Masters weekend from Echeconnee. If you weren't there for this epic weekend, listen to this show and it will be like you were there. The Keefers ring up Randy Richardson to cover how the race was ran, the track, who was fast, who absolutely sucked and if you should consider going to this event in 2026!

Show #456 - 2026 Triumph TF 450-X Review Nov 17, 2025

Show notes

The 2026 Triumph TF 450-X does have some small updates so in this episode we go over those changes as well as talk about where this bike shines and where it needs some help. With one of the best chassis in class, this British machine could be a weapon for someone looking to have a manageable 450 power with comfort to boot! Learn more about the 2026 Triumph right here!

Show #455 - Honda CRF450R Dream Build and Endurocross Talk w/Cody Webb Nov 10, 2025

Show notes

In this mash up show we discuss our latest Honda CRF450R build with Eddie Laret and also get Cody Webb on the phone to talk about his Endurocross series as well as his Yamaha YZ250F big bore race machine

Show #454 - 2026 TM300 Fi First Impression and Dubya USA World Vet Recap Nov 02, 2025

Show notes

Keefer and fam sit down to talk about the Dubya USA World Vet race at Glen Helen as well as some TM 300 four stroke talk. Learn about the other Italian brand and what a 300 sized four stroke is like to ride. Get all the details of the TM and some race talk all in one show!

Show #453 - Triumph TF-450 Vs. Yamaha YZ450F and Endurocross Talk Oct 27, 2025

Show notes

We went racing with two bikes to do a little comparison to see which modified version of each bike was better. We will dive into the Triumph and Yamaha 450s to let you know which one could be right for you. We then make a call to Max Gerston to talk a little Endurocross. Is the series getting better? What size bike is the best for this discipline as well as why the tracks may not be as hard as they used to be.

Show #452 - Recently Tested Parts (Gear, Hard Parts, Fuel, Bikes) Oct 20, 2025

Show notes

In this show Keefer walks you through Alpinestars Tech Air Bag chest protector, VPT4 issues, Yoshimura/Akrapovic mufflers, YZ250F mods and a lot more in this smorgasbord of things that Keefer has tested.

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