Four Stroke

One thing we do know about 2025 Press Intros, they are held on the smoothest possible track imaginable and because of that we have to wait until we get it back to Glen Helen before we can do any serious tetsing
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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 revise engine mounts.
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Back in 2014 the Kawasaki KX450F was a BNG bike that didn't even get BNG, but the KX450F engine was a thing of beauty. It iswas smooth down low, rolled on with authority and was the best all-around race engine of 2014.
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If you can feel the issues with the 2024-'25 Kawasaki KX450, here are a few clues and tips to make the most your issues go away
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As proven by the Husqvarna acquisition, the best economy-of-scale decision was to take the frames, engines, suspension, hubs, swingarm, throttle bodies, electronics and subframes from KTM, and wrap them in red plastic.
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For 2025, the KX250 ditched the KYB suspenders for Showa and followed many of the footsteps of its big brother (but not all)
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The Italians answered the call! Significant updates were made for 2025, addressing our complaints
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The Husqvarna FC250, FC 350 and FC450 four-strokes will be joined by the TC125, TC150, TC250 and TC300 two-strokes
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GasGas adds two new two-strokes to the lineup while the other five returning motocross models receive a facelift
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Beta has been around since 1905, and has remained family owned the entire time. Beta made two-stroke motocross bikes in the ’70s and ’80s, but since then Beta has focused on trials bikes and off-road bikes—until now.
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This is only the second time that Husqvarna has offered a 250cc Rockstar Edition. The big plus is that it is a souped-up version of the 2025 Husqvarna FC250 with lots of aftermarket goodies
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If someone gets to ride the champ's bike — it might as well be MXA
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The 2014 winner versus the 2014 loser rematch, but which is which & could you tell the difference
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KTM’s engineers did a very good job of addressing the bad things about the 2024 production KTM 450SXF and enhancing the good stuff. And, yes this is the 2025 model.
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If there are no cam, valve, piston, throttle body, fuel pump or crank differences between the FC350, MC350F and 350SXF. Why do all three engines run so differently on the track? The answer lies in four simple parts.
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This isn't the economy model — this is the full pop version of YZ250F National-ready machinery
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Although MXA is all about motocross, we also race WORCS, SRA, GNCC & NGPC events, for which we need off-road-specific machinery. Thus, the KX450X & Honda CRF450RX shootout
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Honda has confused us with a bike that delivers mixed messages
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The big news revolves around the new frame, which is more forgiving than the 2023-24 chassis, and the partnership with LitPro
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As trick as any factory Motocross bike, but with specialized parts for off-road use
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Is the 2014 Husqvarna FC250 a KTM clone? Or KTM Plus? This MXA test tells the whole story in more detail then you'll need
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The 2014 Honda CRF450 Is slow. We can't dance around the elephant in the room. It doesn't make much horsepower, and it signs off very early. One caveat: don't try to rev it out. It is most competitive when kept below 8500 rpm.
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The FC350's one-of-a-kind setup lowers the chassis one-inch—you don’t need a degree in physics to realize that a lowered center of gravity is a major positive when it comes to handling.
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Much of the credit for the improvements goes to homegrown solutions, the ideas and concepts developed by local racers, hardcore KTM owners and the race teams, that KTM implemented into the 2014 KTM 450SXF.
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