CLASSIC MOTOCROSS IRON: THE MX KIED’S 1991 CHAMPIONSHIP KAWASAKI KX125

Revenge drove Mike Kiedrowski to the 1991 AMA 125 National Championship after Honda fired him even though he won the 1989 title for them and only missed the 1990 crown by one point.

MXA RETRO TEST: WE RIDE DOUG DUBACH’S 1983 YAMAHA YZ100

“Marty Tripes 100cc Works Revenge Series.” had a short run, but it was a glorious throwback to the world of “One Hundreds”

ASK THE MXPERTS: WHAT’S THE DEAL WITH THE YZ250 NEEDLE?

Prior to the 2007 YZ250, Yamaha YZ250s came with N1EJ needles (2006) and N3EJ needles (2001 to 2005), but in 2004, Yamaha swapped out the stock N3EJ needle for a N3EW needle.

JORGE PRADO FEELS RIGHT AT HOME ON THE 2026 KTM 450SXF FACTORY EDITION

He put his 2024 suspension on his new bike and whipped it good

FIRST LOOK! 2026 KTM 450SXF FACTORY EDITION “ELI TOMAC REPLICA”

The 2026 KTM 450SXF Factory Edition come with Cone Valve coil spring forks and a the WP Pro Trax rear shock

MXA RACE TEST: THE REAL TEST OF THE 2025 YAMAHA YZ85 MINICYCLE

The 2025 YZ85 is still one of the most relevant, race-winning machines in the class. It is perfect for a mini parent shopping for the first timer or just looking to dial in your setup, this bike is

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

TEN YEARS AGO TODAY: THE MXA WRECKING CREW GOES TO JURASSIC PARK

The moto adventure of a lifetime in Costa Rica — and you can do it too

ONE MAN’S QUEST TO BUILD A 2002 WORKS CR250 TWO-STROKE — PLUS VIDEO

One man, one bike, one Honda guru, two strokes and eighteen years of waiting for fruition

150 TWO-STROKE SHOOTOUT: PASHA’S YAMAHA YZ155 VS. KTM 150SX

Since his first two-stroke-only race back in 2019, Pasha has put up $25,000 a year in combined purse money for the World Two-Stroke Championship and the World Vet Championship at Glen Helen

YAMAHA DT-1: THE BEST THING THAT EVER HAPPENED TO MOTOCROSS

The wild and wacky story of how Yamaha got into the dirt bike business and the cast of characters that made it a success

MXA RETRO TEST: 2016 KAWASAKI KX450F: BETTER, BUT FAR FROM BEST

The 2016 Kawasaki KX450F pumped out 55.43 horsepower, while the muffler pumped out 120 decibels.

FLASHBACK FRIDAY: WHAT IT WAS LIKE TO RIDE RICKY CARMICHAEL’S 1998 SPLITFIRE KX125?

Would we want to race Ricky’s KX125? Who wouldn’t? But; we’d need a few months to get in shape to be able use it to its fullest potential

MXA VIDEO: WE TEST THE 2026 YAMAHA YZ450F

The new 2026 YZ450F is quieter, smoother, slower and it has a hydraulic clutch

MXA RACE TEST: THE REAL TEST OF THE 2026 KAWASAKI KX450

The 2026 Kawasaki KX450 is a clone of the 2025 KX450, which just happened to be a clone of the 2024 KX450F. The big difference was just the MSRP

MXA RACE TEST: THE REAL TEST OF THE 2025 YAMAHA YZ250F GYTR “FACTORY EDITION”

Did you know that Yamaha is the only major OEM that hasn’t jumped on the Factory Edition bandwagon?

FIRST LOOK! 2026 KTM TWO-STROKE & FOUR-STROKE MOTOCROSS MODELS

We break the 2026 KTM motocross models down into two groups—two-strokes and four-strokes.

MXA VIDEO: 2026 HONDA CRF250 PERSPECTIVE…PRO VS NOVICE

Josh versus Josh on what they like about the 2026 CRF250

MXA RETRO TEST: 2001 SERVICE HONDA CR134 THAT WE HATED TO RIDE

This is a classic example of all that can go wrong with a hopped-up bike—and spending a bundle of money doesn’t always make a bike better

MXA RACE TEST: THE REAL TEST OF THE 2025 TM 125MX TWO-STROKE

Like classic 125 machines from yesteryear, the narrow powerband requires finesse and accuracy, but unlike older-generation 125s, the TM 125 is powerful—every bit as powerful as other modern 125s on the market

THIS WEEK IN MXA: FIRST RIDE ON THE 2026 BETA 350RX TWO-STROKE

Can this purpose-built Beta 350RX two-stroke compete against 450 four-strokes? What about 350 four-strokes, CR500s and electric bikes

MXA VIDEO: WE TEST THE 2026 HONDA CRF450

What we learned on last year’s CRF450 that can be applied to the identical 2026 version

MXA VIDEO: WE TEST THE 2026 KAWASAKI KX250

We put the new Kawasaki KX250 to the test, plus we ride a second KX250 with $2500 in Pro Circuit power-producing mods as well

MXA VIDEO: WE TEST THE 2026 HONDA CRF250

Josh Mosiman and Josh Holley share the Pro perspective and the Novice perspective on the CRF250, plus they share about some Luxon MX parts that helped the bike

MXA VIDEO: WE RIDE THE FASTEST KAWASAKI KX250 YOU CAN BUY

What happens when you ask Pro Circuit for “the whole enchilada” on your KX250 build? This is what you’d get

MXA RACE TEST: TWISTED DEVELOPMENT’S KTM 250SXF RACE BUILD

BY JOSH MOSIMAN Believe it or not, this test didn’t originate with me or Ezra Lewis; it was two of our regular magazine contributors who came up with the idea for this build. Mark Johnson pens the “Suspension Simplified” column every month, and Jamie Ellis is the author of our “Twisted Logic” page. Mark owns […]

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

TEN YEARS AGO TODAY! 2016 MXA 450 SHOOTOUT

The best shootout you’ll ever see including dyno charts, plus the good, bad and ugly facts

RETRO TWO-STROKE TEST: 1999 SUZUKI RM250 RACE TEST

Suzuki resurrected itself from the ashes of the rather mediocre 1998 engine in 1999. The ‘99 powerband was a KX250 clone

MINI TESTERS REVIEW: 2025 GASGAS 105cc SUPERMINI VS. STOCK 85cc

We took a stock 2025 GasGas MC85 big wheel and put it up against a fully-built MC105 Supermini in this youth test rider review

TWO-STROKE TUESDAY: WISECO 2003 HONDA CR139 PROJECT BIKE

We turned this 2003 CR125 two-stroke into a fire breathing CR139. This is one of the fastest ways to big-bore your 125

450 TEST RIDER REPORT CARDS: ALL HAIL THE GRADUATING CLASS OF 2025 450s

Without telling tales out of school, we want to present report cards on the 2025 450s. Why? With the 2026 450 motocross bikes coming out now, last year’s bikes are leftover stock, and because of that, they will be offered at a discounted price, Yes, they are already a year old, but that doesn’t mean […]

MXA RETRO TEST: WE RIDE RYAN SIPES’ ROCKSTAR ENERGY 2013 SUZUKI RM-Z250

What Rockstar Energy Suzuki has managed to accomplish in 2013 was a major feat—they built a super-competitive bike, developed one-off parts and hired the best racer and team manager possible

TWO-STROKE TUESDAY: THE GOOD, BAD & UGLY OF THE 2001 HONDA CR250:

In 2001, Honda came to its senses and took a step back to the good old days

MXA RETRO TEST: THE 2009 CRF450, THE WORST HONDA EVER MADE

The 2009 Honda CRF450 has taken the lead with its horrible Gyro Gearloose frame geometry. The penalty for this is that Honda isn’t going to pay the consequences; the people who buy a 2009 Honda CRF450 are!

TEN YEARS AGO TODAY: BIG BIKE SHOWDOWN — SEAN COLLIER’S KX500 VS. HIS 2015 KX450F NATIONAL BIKE

You don’t prove your manhood by riding a KX500, you do that by turning it wide open for longer than 3 seconds

MXA’S FULL-RACE KTM 250SXF AMA NATIONAL BUILD

We called in the big guns to make sure that we left no stone unturned

MXA RETRO TEST: STRANGE-FOR-THE-TIMES 2011 HUSQVARNA TC449

“How do I love thee? Let me count the ways.” Ooops, “Why I don’t love three, let me count the ways.”

TWO-STROKE TUESDAY: 2006 KTM 250SX FULL TEST

KTM used to be the smallest of the Big Five, but it didn’t have the massive output in scooters, golf carts, power equipment, automobile engines, oil tankers and airplanes. Small isn’t necessarily a bad thing

MXA VIDEO: WE TEST THE 2026 KAWASAKI KX450

The 2026 Kawasaki KX450 is here, and in this video, Josh and Josh get into the pros and cons of the bike that finished sixth in our shootout last year

HUSQVARNA USA REVEALS 2026 MOTOCROSS MODELS (FC250/350/450 MISSING)

Husqvarna USA promises that the FC250/350/450 models will be back for 2027, but this year you’ll have to settle for a Factory Edition, or a 2025 model, if you want a new Husky 250 or 450 motocrosser

WHAT IT’S LIKE TO RACE AN AMA 450 NATIONAL WITH JOSH MOSIMAN

“I test motorcycles for a living, which means I ride a lot, and due to MXA’s testing protocols, I get to race a lot too. It’s a lot of fun, but the real test is 30-minute motos against the best riders in the country on the toughest tracks around.

MXA RETRO TEST: WE RIDE COLE SEELY’S 2011 LUCAS/TLD HONDA CRF250

Had Troy listened to his old buddies, his racing gear might have been on the podium for someone else’s team, but he lived his Frank Sinatra dream and did it his way

TWO-STROKE SHOOTOUT: PASHA RACING’S YAMAHA YZ150 VS. KTM 150SX

Pasha built up a Yamaha YZ150 two-stroke to go up against his proven KTM 150SX platform. Can a Yamaha compete with a KTM in the 125 class?

MXA RETRO TEST: WE RIDE A $53,000 2016 HONDA CRF250

Enough project bikes have rolled through our pit area for us to realize that simply bolting on parts and slapping stickers on new plastic doesn’t move the needle— this one did

FIRST LOOK! 2026 KTM 50SX PEE-WEES, 65SX JUNIOR CYCLES & 85SX MINICYCLES

There is also a 2026 KTM 50SX Factory Edition model

FIRST LOOK! KTM’S FULL-SIZE TWO-STROKE MOTOCROSS LINE UP INCLUDES THE 125SX, 250SX & 300SX

KTM saved the two-stroke when Honda, Suzuki and Kawasaki dropped them, and Yamaha chose benign neglect for the YZ125 and YZ250.

FIRST LOOK! 2026 KTM 250SXF, 350SXF & 450SXF MODELS

Coming to an Authorized KTM dealer near you Starting in September of 2025

WE RIDE A FANTIC 125 FACTORY EDITION FROM UNDERGROUND TO AMERICA

Two American entrepeneurs, Pasha Afshar and Nick Mairose, have single-handedly put Fantic on the American motocross map and while Fantic has opened an American enterprise, Pasha and Nick are still the best promotion they have.

MXA’S TWO-STROKE TUESDAY: THE NAKED 2005 YAMAHA YZ250

The most advanced two-stroke motocross bike of its time was just one step in Yamaha’s drawn out two-stroke plan. It worked. The YZ250 is still in showrooms today

MXA VIDEO: WE TEST THE NEW 2026 TRIUMPH TF450-E (OFF-ROAD)

MXA’s Josh Fout takes Triumph’s first-ever off-road specific dirt bike and puts it to the test on some high-speed technical trails in the high desert

TEN YEARS AGO TODAY: MXA’S 250 TWO-STROKE SHOOTOUT: HUSKY, KTM & YAMAHA

The battle of the New Old Japanese Stock Versus the newest and Jazziest European concepts

MXA RACE TEST: THE REAL TEST OF THE 2025 TM 300MX TWO-STROKE

In the 300cc two-stroke category alone, TM offers two motocross models (one carbureted and one fuel-injected), and they offer the same two platforms in enduro models

TEN YEARS AGO TODAY: INSIDE SECRETS OF JODY WEISEL’S 2015 KTM 250SX

As a man who has tested motorcycles his whole life, I have a vast reservoir of worthless knowledge that can make any simple task more complicated.

FIRST LOOK! 2026 SUZUKI RM-Z450/RM-Z250

The only visible differences between 2026 and 2025 RM-Z’s are the smaller radiator wing logo, yellow front number plate (instead of white) and the $100 price increase

WE RIDE JACK PHINN’S HONDA CRF450 DIRT TRACKER

With some reasonable modifications, a CR450 can be transformed into a desert racer, enduro bike, supermoto bike, dirt tracker, TT racer, sidecar racer or even a road racer

ASK THE MXPERTS: WHAT DO I NEED TO KNOW ABOUT THE 2025 RM-Z250?

The 2025 RM-Z250’s forks are terrible. They are unbelievably stiff in motion. We drop the stock 5.0 N/mm fork springs for 4.8 N/mm springs or lower for smaller or slower riders.

FROM DIRT TO ASPHALT: MXA GOES FROM OFF-ROAD TO ON-ROAD ON THE 2025 KTM 450SMR SUPERMOTO

The KTM 450SMR is built off of the KTM 450SXF platform. It has the same engine, and for 2025 the Supermoto bike has the same frame as well

MXA RACE TEST: THE REAL TEST OF THE 2025 GASGAS MC85 MINICYCLE

The 2025 GasGas MC85 isn’t just a refresh, it is a top-to-bottom reinvention of one of the most important bikes in the youth racing scene.

INNERMOST SECRETS OF MXA’S PERFECT VET MC366 PROJECT RACER

We built it using a 2023 GasGas MC350F as the foundation, Cylinder Works 366 engine kit, shortened Husqvarna Cone Valve forks/shock linkage & lots of love