Keefer, Inc. Tested

Weekday Training for Weekend Riders: You’re Not Keefer, So Train Like It

By Seiji Ishii We all dream about living the life like Keefer—ride all week, whenever you want, without the weekday masses, then go race on weekends. But you’re not (and if you ask him, that’s not all bad). You’ve got a job, a family, and a life that doesn’t care about your training plan. The good…

ByKris Keefer2 days ago0Comments

Bike Brands Coffee with the Keefers KTM Podcasts

RMATVMC Keefer Tested Show #464: 2026 KTM 350 SX-F Review/Tips/Mods & SMX Next Talk

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/260116_keefer.mp3 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…

ByKris Keefer4 days ago0Comments

Motocross

Daytime Program: San Diego

ByKris Keefer5 days ago0Comments

Bike Brands Yamaha

Is A Modified Yamaha YZ250 Better Than A Four Stroke?

ByKris Keefer5 days ago0Comments

Tech Training

Coach’s Cut: Stop Paying Twice – Don’t Train When Your Body is Still Fighting

Written By: Seiji Ishii Why “easy motos” when you’re 70% isn’t discipline — it’s delayed progress. In the past, I attended every round of SX. Between Anaheim 1 and Round 2, it seemed like half of the pit crews and riders were coughing. At home, it’s the same pattern: you catch something, you feel 70%, and you…

BySeiji IshiiJanuary 13, 20260Comments

Bike Brands Kawasaki Keefer Tested Podcasts

RMATVMC Keefer Tested Show #463: Vacationing With The Kawasaki KX450SR

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/260108_keefer.mp3 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…

ByKris KeeferJanuary 12, 20260Comments

Motocross

Daytime Program: A1

ByKris KeeferJanuary 12, 20260Comments

Bike Brands Bolt-Ons Exhaust Hard Parts Kawasaki Performance

Yoshimura RS-12 Stainless Full System Review

We all know Kawasaki left a lot of room for improvement on the muffler side of things on the Kawasaki KX450. We have tried a number of mufflers to help increase the low end torque and have been happy with a couple. The latest muffler we tested was the new Yoshimura RS-12 stainless full exhaust…

ByKris KeeferJanuary 10, 20260Comments