MXA’S CRAZY TRICK TO GET OUR 2021 YAMAHA YZ450F OVER-60 HORSEPOWER

Our goal back in 2021 was to crack 60 horses with no cam, valve, ecu, porting or pipe mods—just a hand-made airbox cover that was ugly, but spawn a movement

FIRST RIDE: MXA’S MINI TESTER ON THE 2025 YAMAHA YZ65

MXA test rider James Ellis (son of Twisted Development’s Jamie Ellis) shakes down our new 65cc YZinger

MINI TESTERS REVIEW: 2025 YAMAHA YZ85 VS. HONDA CRF150

We have some fun with our new mini bike test riders, putting two 2025 models head-to-head

MXA RETRO TEST: WE RIDE CHAD REED’S 2004 YAMAHA YZ250

In 2004 Team Yamaha asked MXA to ride Chad Reed’s Supercross-winning Yamaha YZ250 two-stroke — That was a day to remember

MXA BUYER’S GUIDE: 2025 WIDE WORLD OF FOUR-STROKES

Let’s get together and go comparison shopping for a 250cc, 350cc or 450cc four-stroke motocross bike

TEN YEARS AGO TODAY: MXA’S 2015 YAMAHA YZ450F TEST

What MXA thought about the YZ450F a decade ago. Looking back, we are surprised how much we likedit.

TEN YEARS AGO TODAY! 2015 MXA 250 TWO-STROKE SHOOTOUT

If the powers-that-be allowed two- and four-strokes to compete at equal displacements in the Pro ranks—it would be a two-stroke world again.

2025 MOTOCROSS ACTION 250 SHOOTOUT: SUZUKI, TRIUMPH, KAWASAKI, HONDA, YAMAHA, GASGAS, HUSQVARNA, KTM

You seen all the videos, now is the time to read what they should have told you

MXA RACE TEST: THE REAL TEST OF THE 2025 YAMAHA YZ250F

New model updates can be small but mighty; while big changes are often to the swing-and-miss variety. On the 2025 YZ250F the improvements on the track correlated with the updates.

1992 YAMAHA WR500: HOW THE “AIR HAMMER” BECAME THE “MAYTAG”

Some times a stop gap measure is the only measure that can work when you start too late

TEN YEARS AGO TODAY! MXA’S 2015 125 TWO-STROKE SHOOTOUT

Is the obvious winner the fast one, the one with the most high-tech features or the fun one

MXA VIDEO: 2025 MXA 250 SHOOTOUT

Our biggest Shootout ever! We dive into the pros and cons, and then rank all eight of the major 250cc four-strokes

TEN YEARS AGO TODAY! 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

TEN YEARS AGO TODAY! 2004 HONDA CR250 VERSUS YAMAHA YZ250

Time has a way of blurring the rear-view vision of motocross fans. What’s better a 2004 Honda or 2004 Yamaha? We not surprised that you don’t know the correct answer

TWO-STROKE TUESDAY: AN IN DEPTH LOOK INTO THE 2006 YZ125

In 2005 the YZ125 sold 28 percent more bikes than the previous year, which allowed Yamaha to spend R&D money to make the 2006 YZ125 even better

2025 MXA 450 FOUR-STROKE SHOOTOUT: SUZUKI, HONDA, GASGAS, KAWASAKI, HUSQVARNA, KTM & YAMAHA

We race-test bikes because that’s when the pros and cons of a motorcycle stand out the most. No matter how hard you try in practice, it’ll never replicate the intensity that comes out on race day

MXA RACE TEST: THE REAL TEST OF THE 2025 YAMAHA YZ450F

The new 2025 YZ450F retails for $9999, which is exactly what the YZ costs in 2024. Honda also kept the same MSRP for its all-new CRF450, albeit at $9699

MXA VIDEO: 2025 YAMAHA YZ250FX CROSS-COUNTRY FIRST RIDE

The little brother to the Yamaha YZ450F makes some major tweaks to their mid-size cross-country racer

TEN YEARS AGO TODAY! 2015 MXA 450 SHOOTOUT—THE NEEDY & THE DISGRUNTLED

CRF450 vs. YZ450F vs. KX450F vs. 450SXF vs. FC450 vs. RM-Z450

2025 MXA 450 SHOOTOUT VIDEO: HORSEPOWER, WEIGHT, PRICE & RANK

After months of riding, racing and testing, the results are in…

20 YEARS AGO TODAY! UNEARTHING THE EPIC 2004 250 TWO-STROKE SHOOTOUT

You may have owned one of these in your youth because the 2004 CR250, KX250, YZ250, 250SX & RM250 were in their glory 20 years ago

MXA VIDEO: WE TEST THE 2025 YAMAHA YZ250F

MXA wrecking crew spent multiple days testing 2025 Yamaha YZ250F, click here to watch the full tested video

MXA RIDES COTY SCHOCK’S YAMAHA YZ125 AT CLUBMX

Coty bought and built this Yamaha YZ125 himself. Not only that, he did it all in between riding and training during the week and racing Supercross on the weekends!

TWO-STROKE TUESDAY: THE GOOD, THE BAD, THE UGLY ABOUT THE 2000 YAMAHA YZ250

The 2000 Yamaha YZ250 was a seamless blend of usability, thoughful choices and maybe, just maybe, a few key components borrowed from their competition

TEN YEARS AGO TODAY! WE RIDE ALEX MARTIN’S 2014 CYCLETRADER YZ250F

The older brother of the National Champ is no slouch—neither is his Yamaha YZ250F

TEN YEARS AGO TODAY! JOHN BASHER’S YAMAHA YZ125 LOVE STORY

Man loves YZ125, man loses YZ125, man finds it again — love resumes

WE RIDE DUBACH RACING’S 2024 YAMAHA YZ85

Doug is the Chief Product Officer, and DR.D is not allowed to introduce any new pipes without Doug’s stamp of approval. Doug is still testing and developing every exhaust the company makes, and one benefit of Doug’s smaller stature is that he can develop mini-pipes, too!

TWO-STROKES BONANZA! KX112, YZ250 & KX315 TWO-STROKE CHRONICLES

Three uniquely different two-stroke for uniquely different riders— a full-race Kawasaki KX112 for a future star, a well thought out Yamaha YZ250 & a full-on, one-off Kawasaki KX315 big bore

MXA VIDEO: 2025 YAMAHA YZ450F FIRST TEST

Two years after introducing the all-new 2023 YZ450F, Yamaha made some big updates. Josh, Josh, and Dennis compare the 2025 to the 2024 model

WE RIDE A PURPOSE-BUILT DR.D YAMAHA YZ85 TWO-STROKE

Dubach Racing & Development jumps into the two-stroke market and MXA tests their all-new YZ85 set-up

MXA RACE TEST: THE REAL TEST OF THE 2024 YAMAHA YZ450FX CROSS-COUNTRY

Lots of power, large fuel tank, wide ratio transmission, hand guards, skid plate, O-ring chain and mounting points for the GYTR fan kit

TEN YEARS AGO TODAY! MXA’S 2014 YAMAHA YZ125 TWO-STROKE TEST

Why does our brand-new 2014 Yamaha YZ125 look eight years old?

TEN YEARS AGO TODAY! MXA’S 2014 YAMAHA YZ250 TWO-STROKE TEST

Two-strokes are not approved by the powers-that-be at the AMA, MXsports, FIM, BLM or EPA—which wins us over instantly

FIRST LOOK! 2025 YAMAHA MOTOCROSS MODELS FROM 65 TO 450

What’s new? Updated rear linkage, new fork and shock settings, a lighter spring rate on rear shock and new delta-shaped piston shims in the fork and revised engine mounts

TEN YEARS AGO TODAY! PULLING BACK THE BLUE CURTAIN OF JODY’S PERSONAL 2014 YZ250

Why would an MXA test rider want a 2014 Yamaha YZ250 when he could just race MXA’s 2024 YZ250? Read on

MXA VIDEO: WE RIDE PHIL NICOLETTI’S FINAL CLUBMX YAMAHA YZ250F

Phil Nicoletti and the ClubMX crew have come a long way, we tested Phil’s last 250F race bike

TEN YEARS AGO TODAY! MXA RIDES PRO CIRCUIT’S 2014 FULL-RACE YAMAHA YZ250F

This isn’t the economy model — this is the full pop version of YZ250F National-ready machinery

MXA VIDEO: COTY SCHOCK RIPS YAMAHA YZ125 TWO-STROKE WIDE OPEN

Coty Schock just finished third in the 250SX East Championship. In between races, he’s been building this YZ125 project bike

TWO-STROKE TUESDAY: WE RIDE THE LAST FACTORY 125

We test Brett Metcalfe’s 2005 Yamaha of Troy YZ125 when it was the only smoker left on the track

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 BUYER’S GUIDE: 2024 MINICYCLE BUYER’S GUIDE

If you are looking to launch your young one into the motocross world, move him up to a bigger bike or just looking for some backyard fun—look no further

MXA RETRO TEST: WE RIDE BBR’S YAMAHA TT-R150L

This works-like BBR play bike is a perfect example of the ideas, craftsmanship and work ethic that powered the minicycle world eight years ago

TWO-STROKE TUESDAY: FIRST YEAR OF THE ALUMINUM YZ250 FRAME

Yamaha spent millions of dollars on the development of the most advanced two-stroke motocross bike in motocross history at the exact moment when two-stroke sales hit the dumpster

MXA VIDEO: 2024 YAMAHA YZ125 TWO-STROKE TESTED

One of the most popular 125cc two-strokes is still around after 50 years, although serious development on this particular model started in 2005—that is 19 years with of expericene

TEN YEARS AGO TODAY! 2014 MXA 250 SHOOTOUT: CRF VS. KX-F VS. SXF VS. RM-Z VS. YZ-F

The MXA wrecking crew tested, documented, inspected, theorized and calculated every conceivable facet of the 250 four-stroke class for 2014. Your future bike now!

2024 YAMAHA YZ125X VS. YZ250X: WHICH OFF-ROAD YZ-X TWO-STROKE IS BEST FOR YOU?

Yamaha offers two four-stroke cross-country models & two two-stroke models. MXA breaks down the differences between the 2024 YZ250X and YZ125X

HOW THE 1955 YAMAHA YA-1 RED DRAGONFLY MADE YAMAHA WHAT IT IS TODAY

Yamaha was originally called Nippon Gakki Seizo Kabushiki Kaisha, which translated is “Japan Musical Instrument Manufacturing Company.” It wasn’t until the summer of 1955, that the Yamaha Motor Company was spun off from Nippon Gakki.

2024 MXA 450 FOUR-STROKE SHOOTOUT: SUZUKI, HONDA, GASGAS, KAWASAKI, HUSQVARNA, KTM & YAMAHA

Even though it is fun to fly to some far-away track to test a bike, it isn’t much of a test. MXA prefers to test bikes on the “dirt dyno.” What is the dirt dyno? It is the tracks that we have done a thousand laps on.

2024 MXA 250 FOUR-STROKE SHOOTOUT: THE WRITTEN WORD ON HOW ALL SEVEN BIKES RANK

We tested each bike in its stock form, and put 20 hours on each bike to, try to make them ultimately comparable to each other and to keep things equal we installed the same tires on each bike

MXA VIDEO: 2024 YAMAHA YZ250 TWO-STROKE TEST

Our tune has changed… Thank you, Yamaha

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

2024 MXA 250 FOUR-STROKE SHOOTOUT VIDEO

You may not like our opinion, but you have to respect it. We ride, race, and test all seven of the 2024 250cc four-strokes to give you the pros and cons of each new bike

MXA RACE TEST: THE REAL TEST OF THE 2024 YAMAHA YZ250F

For a few years now; the YZ250 Yamaha has falling behind KTM, Husqvarna, GasGas and Kawasaki on horsepower numbers, but the YZ250 makes up the difference if you stay in the meat of the powerband.

TWO-STROKE TUESDAY: 2004 HONDA CR250 VERSUS YAMAHA YZ250

No offense to Kawasaki, Suzuki and KTM, but their combined motocross bike sales didn’t equal one-half of the numbers put up by Yamaha and Honda in 2004

MXA VIDEO: WE TEST RIDE ENGINEERING’S PROJECT YAMAHA YZ250 TWO-STROKE

This Yamaha YZ250 two-stroke was purpose-built to be crisp, clean, light and fun. It has Ride Engineering triple clamps, linkage and brakes, Twisted Development engine and carb mods, Enzo suspension and more

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

IN THE REAR-VIEW MIRROR! THE WRECKING CREW’S FAVORITE YAMAHA TWO-STROKE PROJECT BIKES

There is no time limit on the love between a man and his first two-stroke—and when a two-stroke has been in production since 1974, like the YZ125/YZ250, it has a devoted congregation hoping to pay homage to the past with their own Yamaha project bikes

MXA VIDEO: WE TEST THE 2024 HUSQVARNA FC250

It’s surprising to learn how many people don’t know that Husqvarna’s motocross bikes sit a full inch lower than KTM or GasGas

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