Keefer, Inc. Tested

2026 450 MX Recommended Chassis Lengths

I have been wanting to do this for quite sometime as chassis lengths are important to how your motorcycle reacts on the track. Sometimes we just go about our day, slap a different size sprocket on or cut our new chain a different length without hesitation. However, when you do that it can/does affect how…

ByKris Keefer4 hours ago0Comments

Keefer Tested

RMATVMC Keefer Tested Show #487: Parts That We Have Tested Lately

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/260619_keefer.mp3 Keefer breaks down several parts that he has tested the past few weeks and will give you all the details behind each part/test. From STM clutches to Ride Engineering brake systems, this episode has a lot to cover.

ByKris Keefer1 day ago0Comments

Keefer Tested Podcasts

RMATVMC Summer School (Re-Cap Of High Point)

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/260621_keefer.mp3 The Keefer family sit down to discuss the happenings from round 4 of the AMA Pro Motocross Series from High Point. If you guys didn't make it to High Point, listening to this episode will feel like you were there! From more PNH stories, "A" qualifying antics, traveling without dad, things that made us go…

ByKris Keefer2 days ago0Comments

Garage Tech

VP Racing Fuels (ProCar Blend vs TT blend)

Written By: Victor Guerrero At Keefer Inc Testing we have talked many years about VP racing fuels, but this one is not something we have ever written about. Some of our testers have alternate hobbies to occupy their time away from work and motocross. That hobby involves radio controlled cars that have 3.5cc engines in…

ByKris Keefer2 days ago0Comments

Kawasaki

2026 250 MX Baseline Suspension Settings

Honda CRF250R: (140-180 pounds) Fork: Spring Rate: 4.8N/m Height: Flush-3mm Compression: 9-10 clicks out Rebound: 11 clicks out Oil Level: Stock Shock: Spring Rate: 50N/m Sag: 105mm High Speed Compression: 1-1/3 Low Speed Compression: 8 clicks out Rebound: 8 clicks out Kawasaki KX250: (140-180 pounds) Fork: Spring Rate: 5.0 N/m Height: 3mm Compression: 7 clicks out Rebound: 8 clicks out Shock: Spring Rate: 54 N/m Sag: 105mm High Speed Compression: 2.5 turns out Low Speed Compression: 10…

ByKris KeeferJune 10, 20260Comments

Podcasts

RMATVMC Keefer Tested Show #484: 2027 New Bike Talk

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/260604_keefer.mp3 Keefer breaks down the new 2027Honda CRF450R, Kawasaki KX327 and Yamaha YZ250F. Will the changes each manufacturer made, make for a better machine? Ge the details on each right here.

ByKris KeeferJune 8, 20260Comments

Keefer Tested

RMATVMC Keefer Tested Summer School (Re-cap of Hangtown)

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/260607_keefer.mp3 Go behind the scenes with us (Kris/Aden/Heather) as we dive into round two of Pro Motocross at Hangtown. Learn about the ghost riding incident, how Aden's day went, some PNH stories, why this may have been the best Hangtown track in quite sometime and some other hot topics from round number two!

ByKris KeeferJune 8, 20260Comments