Bike Tests

Yes, the added $2900 is steep, but the coated suspension components, remapped ECU, Hinson clutch basket, Yoshimura exhaust and polished ports pay for themselves
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In 2004 Team Yamaha asked MXA to ride Chad Reed’s Supercross-winning Yamaha YZ250 two-stroke — That was a day to remember
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Let's get together and go comparison shopping for a 250cc, 350cc or 450cc four-stroke motocross bike
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One important caveat in the dream-bike scenario is that the bike cannot have a 450cc four-stroke engine. Why would it? Four-strokes are readily available and thus not dreamy enough.
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Even though it wasn’t light years faster, the Works Edition erased the flaws of the stock bike, making it more fun to race, while reminding us just how good the stock CRF250 can be.
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What MXA thought about the YZ450F a decade ago. Looking back, we are surprised how much we likedit.
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This year, Kawasaki took two steps forward in the chassis department and one step backward in the engine department. On last year’s KX250, the engine was the highlight and our complaints focused on the chassis; now our opinion has…
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In 2001 the KTM 125SX made big strides to not only stay with the Japanese brands, but to beat them
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Many 450cc Supercross-spec bikes have super-stiff forks, loads of bottom-end power, a massive front brake and a lowered subframe. Surprisingly, Anderson’s FC450 wasn’t your standard Supercross machine
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The 2025 Yamaha YZ250FX adopted the same changes that its counterpart, the YZ450FX, received in 2024. This motorcycle may look like a motocross YZ250F on the surface, but hidden inside its frame rails are a lot of essential off-road mods.
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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.
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There were so many frame changes for 2025 that the whole nature of the 450SXF chassis changed from ultra-stiff to forgiving
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You seen all the videos, now is the time to read what they should have told you
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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.
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MXA's Josh Mosiman and Josh Fout test the new 2025 Kawasaki KX450SR "Special Racer" model at Glen Helen
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The most modern vintage bike made—with a soon to be final expiration date
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MXA knows a lot about the 1992 CZ 125MX, we raced it, tested it and lived with it—well, actually we tolerated it
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Some times a stop gap measure is the only measure that can work when you start too late
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RC, DeCoster & Goose tell all about the bike that everyone who was anyone in 2005 remembers
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Why the long dreamed of "Great American Motocross Hope" was a total flop
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How to build your own Loretta Lynn Championship-winning replica — Plus video
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"The worst business decision that KTM ever made was to buy the Dutch-based WP suspension company"
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All it took was time, patience and $28,000
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The new 250SXF and 450SXF Factory Editions will be available at dealers in January
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Thanks to a switch to a new Rockstar Energy sponsorship, the GasGas MC450f and MC250F get a whole new look
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Is the obvious winner the fast one, the one with the most high-tech features or the fun one
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