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- TEN YEARS AGO TODAY! WHAT IT WAS LIKE TO RIDE THE 2014 KTM 450SXF FOUR-STROKE
- MXA TESTS A FULL-RACE 125 TWO-STROKE WE WISH YOU COULD BUY IN THE USA
- MXA BUYER’S GUIDE TO THE WIDE WORLD OF 2024 FOUR-STROKES
- MXA RACE TEST: THE REAL TEST OF THE 2024 SUZUKI RM-Z250
- TEN YEARS AGO TODAY! 2014 HUSQVARNA FC450 FOUR-STROKE
- MXA VIDEO: 2024 FANTIC 125XX ISN’T SOLD IN THE USA, BUT WE TRACKED ONE DOWN
- TREVOR’S 24 HOURS OF PAIN: TREVOR NELSON’S BIG ADVENTURE
- MXA BUYER’S GUIDE: 2024 MINICYCLE BUYER’S GUIDE
- MXA RETRO TEST: WE RIDE BBR’S YAMAHA TT-R150L
- TEN YEARS AGO TODAY!: 2014 HUSQVARNA TC250 TWO-STROKE
Engine Size
Engine Type
Model Year
MXA BUYER’S GUIDE TO THE WIDE WORLD OF 2024 FOUR-STROKES
With the 2025 models just peeking over the horizon, it’s a good chance to catch up on the bikes that are still on the showroom floors—the 2024 250, 350 & 450 four-strokes
MXA RACE TEST: THE REAL TEST OF THE 2024 YAMAHA YZ450F
If you own a 2023 Yamaha YZ450F, then you already own a 2024 YZ450F—except with more hours on it than the new one on the showroom floor.
FLASHBACK! INNERMOST SECRETS OF JOSH MOSIMAN’S PALA NATIONAL YZ450F
Taking testing to the nth degree—inside MXA’s Yamaha YZ450F as set-up for the 2023 Pala 450 National
2023 MOTOCROSS ACTION’S 450 SHOOTOUT VIDEO
This is the one you should read! We compare the CRF450, YZ450F, 450SXF, KX450, FC450, RM-Z450, and MC450F against each other in the most highly anticipated video of the year
MXA VIDEO: WE TEST THE 2024 YAMAHA YZ450F
The Yamaha YZ450F won our Shootout last year, but it’s not perfect. Josh Mosiman and Dennis Stapleton talk pros and cons of the 50th anniversary YZ450F in this video
MXA RETRO TEST: WE RIDE STEFAN EVERTS’ 2003 WORKS YAMAHA YZ-Fs
Not just one of Stefan Everts Championship bikes, but both of them at the same track on the same day
TEN YEARS AGO TODAY: COMPLETE TEST OF THE 2013 YAMAHA YZ450F
Yamaha has to convince you that their backwards engine idea is good and until they do they are paying the “Penalty of Taking the Lead”
MXA RETRO TEST: WE RIDE TIM FERRY’S THREE-SPEED 2002 YAMAHA YZ426
The three-speed tranny was not just for Supercross, Yamaha said they also ran the three-speed outdoors, but with a smaller rear sprocket.
INSIDE ELI TOMAC’S STAR RACING YAMAHA YZ450F
MXA’s Travis Fant gets up close and personal with Eli Tomac’s race bike, the day before he got hurt
2023 MXA 450 FOUR-STROKE SHOOTOUT: GASGAS VS. HONDA VS. HUSQVARNA VS. KAWASAKI VS. KTM VS. SUZUKI VS. YAMAHA
Everything you need to know about the 450 class of 2023 is right here. After you read MXA’s 450 shootout, you’ll know everything you need to know about the best bikes in the 450 class
2024 MOTOCROSS ACTION 450 SHOOTOUT VIDEO
It’s finally here! We lined up the all-new Kawasaki KX450 and GasGas MC450F models against the rest of the 450 class in a head-to-head comparison
MXA RACE TEST: THE REAL TEST OF THE 2023 YAMAHA YZ450F
Yamaha’s willingness to address the human element and eliminate the grievous flaws of the previous models is what sets the 2023 YZ450F apart from its 12 predecessors
MXA RETRO TEST: WE RIDE GRANT LANGSTON’S NATIONAL CHAMPIONSHIP YAMAHA YZ450F
Unlike most factory riders, Grant Langston does not buy into the “works forks” syndrome. Grant felt they were too stiff—not too firm in motion, but too stiff for the YZ450F chassis. Grant ran the stock 48mm forks becaise they fed more flex into the front end to help the YZ450F turn.
MXA VIDEO: WE TEST THE 2023 YAMAHA YZ450F
The 2023 Yamaha YZ450F is all-new and they’ve changed practically everything we’ve ask for. Josh Mosiman tests the bike at the Star Racing Yamaha GOAT Farm
MXA RETRO TEST: WE RIDE GRANT LANGSTON’S 2007 NATIONAL CHAMPIONSHIP YAMAHA YZ450F
Grant Langston’s 2007 Yamaha YZ450F was the easiest to ride AMA National bike we have ever tried
MXA VIDEO: WE TEST ALEX MARTIN’S CLUB MX YAMAHA YZ450F
Watch the video about a bike that was built for a troll and that graced the cover of Motocross Action magazine
FIRST LOOK! 2023 YAMAHA YZ450F ALL-NEW
The YZ450F brings a new look for 2023!
MXA RACE TEST: GRAND PRIX RACING ON THE YAMAHA YZ450FX & HONDA CRF450RX
When WORCS went to Lake Havasu, MXA knew it would be the place to test our YZ450FX and CRF450RX cross-country bikes, even if we had to ride through the lake
MXA RETRO TEST: WE RIDE WORLD CHAMP ROMAIN FEBVRE’S 2015 YZ450FM
MXA’S Daryl Ecklund didn’t just ride Febvre’s Grand Prix YZ450FM, he got to ride it all by himself on the Maggiora track in Italy
WE RIDE ALEX MARTIN’S MUC-OFF/CLUBMX YAMAHA YZ450F
With Alex being just 5-foot-4 and weighing only 145 pounds, his bike featured raised footpegs, a cut-down subframe and lowered seat. MXA test riders are used to riding oddly configured race bikes, but Alex’s custom tailored “rider triangle” was a challenge
MXA RACE TEST: THE REAL TEST OF THE 2022 YAMAHA YZ450F
Thanks to its Kayaba SSS suspension, incredible reliability and broad powerband, the YZ450F is a good value for guys who doesn’t want to spend hard-earned cash post-purchase
MXA RETRO TEST: WE RIDE JAMES STEWART’S 2009 L&M RACING YAMAHA YZ450F
James Stewart’s 2009 AMA Supercross-winning YZ450F is a piece of history, chock-full of personal touches that only James Stewart would like
THE REAL DEAL! 2022 MOTOCROSS ACTION 450 SHOOTOUT VIDEO
It’s finally here! We go in-depth on all seven 2022 450 four-stroke models in this full-feature video
MXA RETRO TEST: WE RIDE JUSTIN BRAYTON’S 2010 JGR YAMAHA YZ450F
The JGR Motocross team is the brainchild of Coy Gibbs, younger son of famous football coach and NASCAR race team owner Joe Gibbs
MXA VIDEO: WE TEST THE 2022 YAMAHA YZ450F
The Yamaha YZ450F received some minor updates for 2022. Learn all about it here
FIRST LOOK! 2022 YAMAHA YZ450F & YAMAHA YZ250F
The new Yamaha’s are here!
WHAT YOU NEED TO KNOW! 2021 MXA 450 FOUR-STROKE SHOOTOUT
Motocross racers love shootouts, until the bike they spent $10,000 loses; They think their brand is the fastest bike, until they see a dyno chart; They think that weight doesn’t matter on motocross bikes, but if their girlfriend gains a few pounds they go ballistic
MXA GOES INSIDE DYLAN FERRANDIS’ STAR RACING YAMAHA YZ450F
Think of it as a preview of the mods that Eli Tomac’s YZ450F will get in 2022
THE REAL DEAL! 2021 MOTOCROSS ACTION 450 SHOOTOUT VIDEO
It’s finally here! MXA’s seven bike, 450 shootout video
MXA TECH SPEC: 5 THINGS YOU NEED TO KNOW ABOUT THE 2020-2021 YAMAHA YZ450F
How to fix the 2020-2021 Yamaha YZ450F with a few common sense moves and crack 60 horsepower with something out-of-the-box
2021 MXA SHOOTOUT: YAMAHA YZ450F VS. KAWASAKI KX450
Polar opposites on the track, these two relatively unchanged 2021 models, trade pluses and minus—and your intended use makes a difference
2021 YAMAHA YZ450F VS. 2021 KAWASAKI KX450 SHOOTOUT VIDEO
Which bike is better for you? We break apart the details in our latest MXA video
MXA RACE TEST: THE REAL TEST OF THE 2021 YAMAHA YZ450F
A great powerband. Not an incredibly powerful engine down low, but a powerband that helps both the rider and chassis work better together
FIRST LOOK! 2021 YAMAHA WR450F & WR250F
Yamaha Enduro models for the 2021 year… the ones with the headlights
2021 YAMAHA YZ450F FIRST RIDE VIDEO
Shaking down our brand new 2021 Yamaha YZ450F, which sadly only gained new graphics and plastic colors
2021 450 VIDEO BUYER’S GUIDE? SEE THEM IN ACTION BEFORE YOU DECIDE
Learn more about the 2021 KTM 450SXF, Kawasaki KX450, Yamaha YZ450F, KTM 350SXF and Husqvarna FC450 BY watching some awesome motocross action
WE RIDE DOUG DUBACH’S GYTR/DR.D YZ450F & TELL YOU WHAT’S INSIDE
When MXA wanted to iron out the wrinkles on our 2020 Yamaha YZ450F, we asked for help from the man who made the YZ450F what it is today
FIRST LOOK! 2021 YAMAHA TWO- & FOUR-STROKE MOTOCROSS MODELS
The big focus for the Yamaha engineers was updating the 2021 Yamaha YZ250F— here are the changes they made to all their motocross bikes
FIRST LOOK! 2021 YAMAHA OFF-ROAD & TRAIL MODELS
We snuck in a bunch of other 2021 Yamaha models while we were at it. Check them out!
MXA RACE TEST: THE REAL 2020 450 FOUR-STROKE SHOOTOUT
One last chance to see what is sitting on the showroom now, while waiting for the 2021 models to arrive. You might get a good deal now!
MXA RACE TEST: THE REAL TEST OF THE 2020 YAMAHA YZ450F
Everything you need to know about the 2020 Yamaha YZ450F — not just how it performs, but why
THE REAL DEAL! 2020 MOTOCROSS ACTION 450 SHOOTOUT VIDEO
You waited for it. It’s here! Everything you need to know about the YZ450F, RM-Z450, 450SXF, KX450, FC450 & CRF450
2020 YAMAHA YZ450F FIRST RIDE IMPRESSIONS VIDEO
At first glance it looks the same, but once you dig in to it, there are a lot of updates on the 2020 Yamaha YZ450F
2020 YAMAHA YZ450F BIKE BREAKDOWN WITH YAMAHA’S TRAVIS PRESTON
Learn all about the new 2020 Yamaha YZ450F in this detailed bike breakdown video
FIRST LOOK! ALL-NEW 2020 YAMAHA YZ450F & 2020 YZ250F
Yamaha focused on updating the engine on the 2020 YZ450F
FIRST LOOK! 2020 YAMAHA OFF-ROAD YZ125X, YZ250X, YZ250FX, YZ450FX MODELS
Yamaha release the YZ125X two-stroke as an all-new model for their off-road lineup
MXA SHOOTOUT: THE REAL 2019 450 FOUR-STROKE SHOOTOUT
The most comprehensive 2019 450 shootout — complete with all the stuff that no one else will ever tell you. This is the real deal shootout
MXA RACE TEST: THE REAL TEST OF THE 2019 YAMAHA YZ450F
My kingdom for a blue valve cover, four wheel spacers and two axle lugs — and why they matter
MXA RIDES CYCRA RACING’S PROBLEM SOLVING 2018 YAMAHA YZ450F
Testing a lowered chassis, pumped up engine and Rekluse clutch on a bike that loved each modification
WE RACE HEATH VOSS’ 2004 WORLD CHAMPIONSHIP YZ450F
We didn’t think we were going to crash the factory steed the day before the National
MXA FIRST RIDE VIDEO | 2019 YAMAHA YZ450FX
Yamaha released an offroad version of the 2019 Yamaha YZ450F that we rode back in South Carolina on some tight GNCC style trails
2019 MXA 450 FOUR-STROKE SHOOTOUT VIDEO
You may not like the results, but when you race them instead of riding them for three days with factory mechanics at your beck and call—this is what you learn
MXA FIRST RIDE VIDEO: 2019 YAMAHA YZ450F—NOT REALLY NEW, BUT BETTER
We applaud Yamaha for finding things that work without having to revinvent the wheel—although the wheels are involved
FIRST LOOK! 2019 YAMAHA YZ450F & ALL-NEW YZ250F
For 2019 Yamaha developed an all-new electric start YZ250F. It looks identical to the 2019 YZ450F which received much needed refinements as well
2018 MOTOCROSS ACTION 450 SHOOTOUT: THE COMPLETE TEST, TEXT & TRUTH
More than you want to know, unless you want to know how the 2018 450s really rate
MAKE YOUR 2018 YZ450F JUST LIKE THE WORLD VET CHAMP’S
Doug didn’t just test the YZ450Fs for Yamaha—he raced them, winning 22 of his World Vet Championships on them (the other four were on YZ250 two-strokes)
SHORTEST SHOOTOUT IN HISTORY: BITE-SIZE 2018 MXA 450 SHOOTOUT
Remember those long shootouts that you scanned briefly before getting distracted by the dog? Well, here is the quick, easy and complete 2018 450 shootout in bite-size format
THE GREATEST 450 SHOOTOUT VIDEO EVER: IT’S LONG, INDEPTH & ACCURATE
The MXA wrecking crew waited to get it right & you waited to find out how the top six really rank
MXA MOTOCROSS RACE TEST: 2018 YAMAHA YZ450F
If we were looking for a phrase to accurately describe the 2018 YZ450F powerband, we would use “filled in.” The result is one long usable powerband. Every Yamaha YZ450F owner will love the improved power delivery.
THE BIKE THAT TURNED A PRIVATEER INTO A FACTORY STAR
We build a Dean Wilson Replica Yamaha YZ450F