Yamaha

2024 Yamaha Cross Country Model Intro: YZ125X, YZ250X, and YZ450F

How do the new changes to the ‘23 YZ450F carry over to the cross country ‘24 YZ450FX model? How do two-stroke cross country models fare in the woods? Mitch Kendra provides his insight after two test days at Randy Hawkins’ facility in South Carolina. By Mitch Kendra Last week, I had the opportunity…

ByKris KeeferMarch 7, 20240Comments

Slater Skins Air Box Cover 2024 YZ250F/450F

Remember Slater Skins? Yeah, the Blue Buffalo Supercross Team that had the complete signage/coverings across their bikes was John Slater’s brainchild, but most recently he has started to offer air box covers for late model YZ-F’s that increase airflow. We all know more air equals more power, but how does it relate to the track?…

ByKris KeeferFebruary 25, 20240Comments

Bike Brands Yamaha

2024 Yamaha Cross Country Launch Video (YZ125X, YZ250X, YZ450FX)

ByKris KeeferFebruary 22, 20240Comments

Bike Brands Gasgas Honda Husqvarna Kawasaki KTM Suzuki Yamaha

2024 MX Gearing Guide

Even though we are early into 2024, I have spent a lot of time testing on the 2024 MX machines you see below. I have went back and forth on several bikes to see which gearing would be good for the average rider. I did the evaluations on tight clay based tracks to flowing sandier…

ByKris KeeferFebruary 21, 20240Comments

Bike Brands Yamaha

2023 Yamaha YZ450F Garage Build

ByKris KeeferFebruary 18, 20240Comments

Bike Brands Bolt-Ons Gasgas Hard Parts Honda Husqvarna Kawasaki KTM Motocross Suzuki Yamaha

Renthal Bar Bends Of The Stars

I have always been a crazy person for ergonomics which can involve lever placement, handlebar bend, grip compound, etc. I used to scour the pits hey year and ask a ton of mechanic which bar bend their rider prefers. I am sure they get SICK of answering these the of questions but I ask them…

ByKris KeeferJanuary 19, 20240Comments

Bike Brands Kawasaki Yamaha

RMATVMC Keefer Tested Show #366: 2024 KX450 Vs. 2024 YZ450F Mod Shootout

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/240108_keefer.mp3 We compare a 2024 KX450 and 24 YZ450F with some equal mods to see which bike benefited more with the mods we provided. We will go over, engine character changes, chassis comfort, suspension performance as well as where each bike shines in this hour long episode.

ByKris KeeferJanuary 11, 20240Comments

Bike Brands Yamaha

1990 Yamaha YZ125 Garage Build

ByKris KeeferJanuary 5, 20240Comments

Bike Brands Bolt-Ons Exhaust Hard Parts Performance Yamaha

Pro Circuit Ti-6 Muffler System (2024 Yamaha YZ450F)

The Pro Circuit Ti-6 Titanium Exhaust System is constructed of titanium throughout the head pipe, mid pipe, and canister while the end-cap is carbon fiber. I wanted the Ti-6 system because I wanted to lose a little weight as the this version of the “6s” allows me to shed almost two pounds off of the…

ByKris KeeferJanuary 5, 20240Comments

Bolt-Ons Hard Parts Performance Yamaha

Twisted Development Airbox Mod (2024 Yamaha YZ250F)

Do you got a 2024 Yamaha YZ250F and used to own a 2023 Yamaha YZ250F? Do you miss a little bit of that 23’ low end punch out of your 24’ YZ250F? If so, there is hope and that hope lies with Jamie at Twisted Development and their Air Boot Kit. Let’s break down the…

ByKris KeeferDecember 31, 20230Comments

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