Keefer Inc. Testing
Dirt bikes and their accessories are expensive. We help riders (through our testing) make the correct purchasing decisions. Quality Testing Since 2001

@sutherlin205 built a themed 2024 KTM 300SX for his annual two-stroke race and we take it for a spin. Learn more about this re-furbed smoker over on our website now.

@sutherlin205 built a themed 2024 KTM 300SX for his annual two-stroke race and we take it for a spin. Learn more about this re-furbed smoker over on our website now.

@sutherlin205 built a themed 2024 KTM 300SX for his annual two-stroke race and we take it for a spin. Learn more about this re-furbed smoker over on our website now.

@sutherlin205 built a themed 2024 KTM 300SX for his annual two-stroke race and we take it for a spin. Learn more about this re-furbed smoker over on our website now.

Testing the new @ridedunlop MX54 tires today. Learn more over on our site or @racerxonline later this week.

Testing the new @ridedunlop MX54 tires today. Learn more over on our site or @racerxonline later this week.

The newest @rmatvmc Keefer Tested Podcast Presented By @fxrmoto and @researchengineeringperformance is up and this week we talk about the 2026 @honda_powersports_us CRF250R production platform and how it is living with this model as well as tips/tricks/mods you can do to make it even better.
Get the show wherever you get your podcasts or by clicking the link in our bio to head to our website.

The newest @rmatvmc Keefer Tested Podcast Presented By @fxrmoto and @researchengineeringperformance is up and this week we talk about the 2026 @honda_powersports_us CRF250R production platform and how it is living with this model as well as tips/tricks/mods you can do to make it even better.
Get the show wherever you get your podcasts or by clicking the link in our bio to head to our website.

Take a tour of the @phxracinghonda race shop with me over on @racerxonline. Learn more about the team’s beginnings, each specific area of the shop (suspension, engine, dyno, showroom), how the team juggles a MX/SX, GNCC and quad teams as well as some other parts of the shop that we thought was really cool. Head over to Racerxonline.com to watch.
Thanks to @ripperrobb for coming out to help with this.

Take a tour of the @phxracinghonda race shop with me over on @racerxonline. Learn more about the team’s beginnings, each specific area of the shop (suspension, engine, dyno, showroom), how the team juggles a MX/SX, GNCC and quad teams as well as some other parts of the shop that we thought was really cool. Head over to Racerxonline.com to watch.
Thanks to @ripperrobb for coming out to help with this.

Take a tour of the @phxracinghonda race shop with me over on @racerxonline. Learn more about the team’s beginnings, each specific area of the shop (suspension, engine, dyno, showroom), how the team juggles a MX/SX, GNCC and quad teams as well as some other parts of the shop that we thought was really cool. Head over to Racerxonline.com to watch.
Thanks to @ripperrobb for coming out to help with this.

Take a tour of the @phxracinghonda race shop with me over on @racerxonline. Learn more about the team’s beginnings, each specific area of the shop (suspension, engine, dyno, showroom), how the team juggles a MX/SX, GNCC and quad teams as well as some other parts of the shop that we thought was really cool. Head over to Racerxonline.com to watch.
Thanks to @ripperrobb for coming out to help with this.

Take a tour of the @phxracinghonda race shop with me over on @racerxonline. Learn more about the team’s beginnings, each specific area of the shop (suspension, engine, dyno, showroom), how the team juggles a MX/SX, GNCC and quad teams as well as some other parts of the shop that we thought was really cool. Head over to Racerxonline.com to watch.
Thanks to @ripperrobb for coming out to help with this.

Our 2026 Kawasaki KX450 getting a wellness inspection check after 30 hours. For how hard we’ve been on her, we were SURPRISED to see the valves within spec, the PC piston as well as the crank looking good. @eddie_laret_ is getting her ready for the @lorettalynnmx Regional next week @foxraceway.
This specific machine wasn’t losing power or giving us a sign that it NEEDED a rebuild but we wanted to check it out for ourselves. Look for a list of parts as well as the cost to rebuild (OEM Kawasaki parts besides PC 14.2:1 compression piston) in an upcoming @rmatvmc Keefer Tested Pod.

Our 2026 Kawasaki KX450 getting a wellness inspection check after 30 hours. For how hard we’ve been on her, we were SURPRISED to see the valves within spec, the PC piston as well as the crank looking good. @eddie_laret_ is getting her ready for the @lorettalynnmx Regional next week @foxraceway.
This specific machine wasn’t losing power or giving us a sign that it NEEDED a rebuild but we wanted to check it out for ourselves. Look for a list of parts as well as the cost to rebuild (OEM Kawasaki parts besides PC 14.2:1 compression piston) in an upcoming @rmatvmc Keefer Tested Pod.

Our 2026 Kawasaki KX450 getting a wellness inspection check after 30 hours. For how hard we’ve been on her, we were SURPRISED to see the valves within spec, the PC piston as well as the crank looking good. @eddie_laret_ is getting her ready for the @lorettalynnmx Regional next week @foxraceway.
This specific machine wasn’t losing power or giving us a sign that it NEEDED a rebuild but we wanted to check it out for ourselves. Look for a list of parts as well as the cost to rebuild (OEM Kawasaki parts besides PC 14.2:1 compression piston) in an upcoming @rmatvmc Keefer Tested Pod.

Our 2026 Kawasaki KX450 getting a wellness inspection check after 30 hours. For how hard we’ve been on her, we were SURPRISED to see the valves within spec, the PC piston as well as the crank looking good. @eddie_laret_ is getting her ready for the @lorettalynnmx Regional next week @foxraceway.
This specific machine wasn’t losing power or giving us a sign that it NEEDED a rebuild but we wanted to check it out for ourselves. Look for a list of parts as well as the cost to rebuild (OEM Kawasaki parts besides PC 14.2:1 compression piston) in an upcoming @rmatvmc Keefer Tested Pod.

Our 2026 Kawasaki KX450 getting a wellness inspection check after 30 hours. For how hard we’ve been on her, we were SURPRISED to see the valves within spec, the PC piston as well as the crank looking good. @eddie_laret_ is getting her ready for the @lorettalynnmx Regional next week @foxraceway.
This specific machine wasn’t losing power or giving us a sign that it NEEDED a rebuild but we wanted to check it out for ourselves. Look for a list of parts as well as the cost to rebuild (OEM Kawasaki parts besides PC 14.2:1 compression piston) in an upcoming @rmatvmc Keefer Tested Pod.

Our 2026 Kawasaki KX450 getting a wellness inspection check after 30 hours. For how hard we’ve been on her, we were SURPRISED to see the valves within spec, the PC piston as well as the crank looking good. @eddie_laret_ is getting her ready for the @lorettalynnmx Regional next week @foxraceway.
This specific machine wasn’t losing power or giving us a sign that it NEEDED a rebuild but we wanted to check it out for ourselves. Look for a list of parts as well as the cost to rebuild (OEM Kawasaki parts besides PC 14.2:1 compression piston) in an upcoming @rmatvmc Keefer Tested Pod.

Our 2026 Kawasaki KX450 getting a wellness inspection check after 30 hours. For how hard we’ve been on her, we were SURPRISED to see the valves within spec, the PC piston as well as the crank looking good. @eddie_laret_ is getting her ready for the @lorettalynnmx Regional next week @foxraceway.
This specific machine wasn’t losing power or giving us a sign that it NEEDED a rebuild but we wanted to check it out for ourselves. Look for a list of parts as well as the cost to rebuild (OEM Kawasaki parts besides PC 14.2:1 compression piston) in an upcoming @rmatvmc Keefer Tested Pod.

Our 2026 Kawasaki KX450 getting a wellness inspection check after 30 hours. For how hard we’ve been on her, we were SURPRISED to see the valves within spec, the PC piston as well as the crank looking good. @eddie_laret_ is getting her ready for the @lorettalynnmx Regional next week @foxraceway.
This specific machine wasn’t losing power or giving us a sign that it NEEDED a rebuild but we wanted to check it out for ourselves. Look for a list of parts as well as the cost to rebuild (OEM Kawasaki parts besides PC 14.2:1 compression piston) in an upcoming @rmatvmc Keefer Tested Pod.

Our 2026 Kawasaki KX450 getting a wellness inspection check after 30 hours. For how hard we’ve been on her, we were SURPRISED to see the valves within spec, the PC piston as well as the crank looking good. @eddie_laret_ is getting her ready for the @lorettalynnmx Regional next week @foxraceway.
This specific machine wasn’t losing power or giving us a sign that it NEEDED a rebuild but we wanted to check it out for ourselves. Look for a list of parts as well as the cost to rebuild (OEM Kawasaki parts besides PC 14.2:1 compression piston) in an upcoming @rmatvmc Keefer Tested Pod.

Our 2026 Kawasaki KX450 getting a wellness inspection check after 30 hours. For how hard we’ve been on her, we were SURPRISED to see the valves within spec, the PC piston as well as the crank looking good. @eddie_laret_ is getting her ready for the @lorettalynnmx Regional next week @foxraceway.
This specific machine wasn’t losing power or giving us a sign that it NEEDED a rebuild but we wanted to check it out for ourselves. Look for a list of parts as well as the cost to rebuild (OEM Kawasaki parts besides PC 14.2:1 compression piston) in an upcoming @rmatvmc Keefer Tested Pod.

Our 2026 Kawasaki KX450 getting a wellness inspection check after 30 hours. For how hard we’ve been on her, we were SURPRISED to see the valves within spec, the PC piston as well as the crank looking good. @eddie_laret_ is getting her ready for the @lorettalynnmx Regional next week @foxraceway.
This specific machine wasn’t losing power or giving us a sign that it NEEDED a rebuild but we wanted to check it out for ourselves. Look for a list of parts as well as the cost to rebuild (OEM Kawasaki parts besides PC 14.2:1 compression piston) in an upcoming @rmatvmc Keefer Tested Pod.

Learn more how this @ktmusa 150 XC-W has been rehabbing one of our test riders back into shape. This small bore off road two stroke has been serving a purpose the past few months! We break all of the good and the bad in an article on our website that is up now.

New article is live on Keefer Inc.
Self-monitoring tools can help you train better.
They can also turn you into a rider who can’t make a decision without checking a score first.
The device isn’t the problem.
The reaction is.
Whoop, Garmin, HRV, sleep scores, training load, food tracking — all of it can be useful. But none of it gets to decide what today is.
Your job is to use the data as information, not as permission.
A green score doesn’t mean hammer.
A red score doesn’t mean hide.
A bad night of sleep doesn’t erase the plan.
A good readiness score doesn’t mean you get to turn every ride into a race.
The goal is not to chase the number.
The goal is to execute the session correctly.
Read the full article on Keefer Inc. Link in bio.

Last year of @lorettalynnmx prep has begun! This week’s @rmatvmc Keefer Tested Podcast Presented By @fxrmoto and @researchengineeringperformance is live and in this episode we will go over how LL’s prep is going, the race machine for 2026, is Matthes going to show up, dealing with health issues and even get @coachseiji to talk about the correct way to train when you’re an older rider.
Get the show wherever you get your podcasts or by heading to our website by clicking the link in our bio.

Last year of @lorettalynnmx prep has begun! This week’s @rmatvmc Keefer Tested Podcast Presented By @fxrmoto and @researchengineeringperformance is live and in this episode we will go over how LL’s prep is going, the race machine for 2026, is Matthes going to show up, dealing with health issues and even get @coachseiji to talk about the correct way to train when you’re an older rider.
Get the show wherever you get your podcasts or by heading to our website by clicking the link in our bio.

Last year of @lorettalynnmx prep has begun! This week’s @rmatvmc Keefer Tested Podcast Presented By @fxrmoto and @researchengineeringperformance is live and in this episode we will go over how LL’s prep is going, the race machine for 2026, is Matthes going to show up, dealing with health issues and even get @coachseiji to talk about the correct way to train when you’re an older rider.
Get the show wherever you get your podcasts or by heading to our website by clicking the link in our bio.

Last year of @lorettalynnmx prep has begun! This week’s @rmatvmc Keefer Tested Podcast Presented By @fxrmoto and @researchengineeringperformance is live and in this episode we will go over how LL’s prep is going, the race machine for 2026, is Matthes going to show up, dealing with health issues and even get @coachseiji to talk about the correct way to train when you’re an older rider.
Get the show wherever you get your podcasts or by heading to our website by clicking the link in our bio.

Last year of @lorettalynnmx prep has begun! This week’s @rmatvmc Keefer Tested Podcast Presented By @fxrmoto and @researchengineeringperformance is live and in this episode we will go over how LL’s prep is going, the race machine for 2026, is Matthes going to show up, dealing with health issues and even get @coachseiji to talk about the correct way to train when you’re an older rider.
Get the show wherever you get your podcasts or by heading to our website by clicking the link in our bio.

Crowned 👑!!
The final Daytime Program is up from SLC! We got a SUZUKI on top, a winner that a lot of people forgot about, a contender that went down swingin, a quarter liter battle and much more in this final SX article of the year. Get it over on PulpMX.com.
📸 @align.with.us

Crowned 👑!!
The final Daytime Program is up from SLC! We got a SUZUKI on top, a winner that a lot of people forgot about, a contender that went down swingin, a quarter liter battle and much more in this final SX article of the year. Get it over on PulpMX.com.
📸 @align.with.us

Crowned 👑!!
The final Daytime Program is up from SLC! We got a SUZUKI on top, a winner that a lot of people forgot about, a contender that went down swingin, a quarter liter battle and much more in this final SX article of the year. Get it over on PulpMX.com.
📸 @align.with.us

Go inside the Rockstar Energy Husqvarna of @malcolmstewart and get the details on how he prefers his set up as well as changes to the engine/suspension with his mechanic Jared Warrick over on @racerxonline or our website now.

Looking for some gearing specs for your 2026 250/350/450 MX machine? Click the link in our bio or head to our website to get some baseline gearing suggestions for your latest moto machine.

Looking for some gearing specs for your 2026 250/350/450 MX machine? Click the link in our bio or head to our website to get some baseline gearing suggestions for your latest moto machine.

Looking for some gearing specs for your 2026 250/350/450 MX machine? Click the link in our bio or head to our website to get some baseline gearing suggestions for your latest moto machine.

Looking for some gearing specs for your 2026 250/350/450 MX machine? Click the link in our bio or head to our website to get some baseline gearing suggestions for your latest moto machine.

Looking for some gearing specs for your 2026 250/350/450 MX machine? Click the link in our bio or head to our website to get some baseline gearing suggestions for your latest moto machine.

Looking for some gearing specs for your 2026 250/350/450 MX machine? Click the link in our bio or head to our website to get some baseline gearing suggestions for your latest moto machine.
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