
Rocky Mountain ATV/MC Keefer Tested
Kris Keefer
Show overview
Rocky Mountain ATV/MC Keefer Tested has been publishing since 2017, and across the 9 years since has built a catalogue of 482 episodes. That works out to roughly 530 hours of audio in total. Releases follow a weekly cadence.
Episodes typically run an hour to ninety minutes — most land between 51 min and 1h 17m — though episode length varies meaningfully from one episode to the next. None of the episodes are flagged explicit by the publisher. It is catalogued as a EN-language Sports %26 Recreation show.
The show is actively publishing — the most recent episode landed 1 weeks ago, with 21 episodes already out so far this year. Published by Kris Keefer.
From the publisher
Kris Keefer puts bikes, gear, accessories, hard parts... you name it, through the paces to bring you the straight verdict.
Latest Episodes
View all 482 episodesShow #482 - Pro Motocross at Fox Raceway Wrap Up
Show #481 - 2026 SW Regional Loretta Lynn's Qualifier Wrap Up (Fox Raceway)
Show #480 - Living With The 2026 Honda CRF250R
Show #479 - Loretta Lynn's Prep/Coach Seiji Talk
Show #478 - Aden Keefer to PHX Honda and racing Pro Motocross
Show #477 - Tire Talk w/ Dunlop's Rob Fox
Show #476 - 2024 KTM 300SX Garage Build
Show #475 - KTM 350 SX-F vs. Kawasaki KX450
Show #474 - Loretta Lynn Area Qualifier Wrap Up
Keefer, Matthes and lil Keefer breakdown the LLQ at Glen Helen. Listen to stories about the weekend and how Matthes got through to the Regional. Fights? Yep, we got those in this one as well! If you weren't there, it will be like you were!
Show #473 - Pro Circuit KX450 Stage One Build
Keefer and Pro Circuit team up to create a stage one engine build that gives the rider a noticeable amount of power on the track but still is smooth enough to keep an "easy to ride feel". What is involved into such a build? Is it comparable to an SR? Can you run pump fuel? All of those questions and more will be answered in this show. Keefer will also break down what Pro Circuit can do to your suspension and how you can get more comfort as well as hold up within your KX450 SHOWA suspension.
Show #472 - Birmingham SMX Next Re-Cap
Keefer and family headed to Birmingham to race the SMX Next event and come on to tell you about the weekend. Get a inside look on what goes on at a SMX Next SX event as well as all of the inner workings that involves getting Aden Keefer out on the track. Sit back, grab a drink, have some laughs and enjoy 90 minutes of family moto banter.
Show #471 - Listener Q&A Show
Keefer and crew answer your burning questions that you've submitted! From new to old bikes as well as what parts are worth the buy, this show has a little bit of everything.
Show #470 - 2026 450 MX Non-Shootout (East Coast Edition)
Keefer talks about the 2026 450 MX moto media shootout results then applies those results to what these bikes feel like on east coast conditions. This episode also dives into the on going debate on if any of the new 450 MX machines feel different from Southern California (when comparing them to riding on the east coast style tracks). Get the info on which new 450 feels best for which type of rider/conditions in this NON SHOOTOUT comparison.
Show #469 - Daytona SMX Next Wrap Up
I sit down with my son Aden and mechanic Eddie to go over the weekend of SMX Next racing from the famous Daytona International Speedway. We will go over how Aden's first SX was, what some of the surprises were, what grade we give Aden on his performance, bike set up and much more in this all SX episode.
Show #468 - 2026 KTM 450 Factory Edition Review
Is the new Factory Edition with Pro Components worth the extra cost over the stock KTM 450 SX-F? Keefer breaks down the new orange machine and gives you some insight on what the main differences are on the new FE. AER or Cone Valve? 109Db limit? What about the engine character? Is the new sound limit hurt the great KTM engine delivery? All of this and more in this episode.
Show #467 - Ducati Desmo 450 Update
Keefer breaks down the Ducati Desmo 450 after spending more time on the Italian Stallion. Learn about mods that help the chassis as well as the engine character within this show. Get some details on how to create a more balanced Desmo as well as a more friendly experience on the track.
Show #466 - The Fastest KX450 I Have Ridden w/Jamie Ellis
Jamie Ellis from Twisted Development comes on to chat with Keefer about his latest KX450 build. Learn about what was done to the engine to make it one of the fastest Kawasaki builds to date and what you can do to your KX450 without breaking he bank. Get helpful tips as well as some insight on the strengths and weaknesses of the KX450 powerplant from one of the best engine builders this industry has.
Show #465 - 2026 Yamaha YZ250 Two Stroke Talk
Keefer and Eddie Laret go over the YZ250 two stroke and give you some insight on mods, jetting, who this bike is for and why/when you should choose a two stroke in your life! Get all the BRAAAAAAP right here in this show!
Show #464 - 2026 KTM 350 SX-F Review/Tips/Mods & SMX Next Talk
In this episode Keefer will break down how it's going with the 2026 KTM 350 SX-F and what he's learned about this bike over the past couple months. Learn about what mods he has done to the mid sized orange machine and hear which mods didn't work out so well. Also, in this episode hear how SX prep is going with Aden Keefer and what he has learned about SX over riding/racing MX.
Show #463 - Vacationing With The Kawasaki KX450SR
We took our 2026 KX450SR and put 13 hours on it over the holiday break. We will break down how our time was spent on the green machine and what we decided to do to it in order make it even better! Is the KX450SR the bike you've been looking for? Listen to this episode and find out!