Product Review

True-to-life, handmade cone pipes that are expertly crafted and welded in Italy by professional craftsmen pay homage to the glory days of factory two-strokes
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WHAT IS IT? The Factory 4.1 titanium exhaust system is FMF’s top-of-the-line option for slip-on systems. With a shorter overall length than the previous generation, the Factory 4.1 muffler is less susceptible to crash damage. The latest…
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The Armor Vision Smart Film is a high-quality sticker made to deflect water and dirt, thanks to its hydrophobic properties protect your lenses against scratching and give you clear vision, even when you don’t have tear-offs
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Eli Tomac may not like it, but every MXA test rider does—because the window of engagement is broader, more forgiving and easier to modulate
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The bold new mohawk Is still unmistakably All Balls Racing. It’s their stamp of authenticity—a symbol of the dedication that unites riders, builders and believers.
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ProTaper, a leader in motorcycle handlebars and controls, is expanding its product lineup with the introduction of its first-ever line of off-road motorcycle tires
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Pro Circuit’s Ti-6 exhaust system is the first pipe that came to mind, because they supply the exhaust systems used by Kawasaki factory riders Jason Anderson and Adam Cianciarulo.
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Think of these handlebars as independent suspension for your hands, moving with the suspension to absorb impacts from jumps and bumps.
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Radiator hoses are often neglected. Most hoses are not replaced until they fail, which results in a DNF
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TM Designworks offers four different kits for the 2025 Honda CRF450 to suit various riding needs. In addition to the Factory Edition SX Slide-N-Guide Kit, TM desingworks has two different chain guide colors—red or black.
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Rinaldi hired Pirelli’s chief engineer a few years back to redesign and increase performance on their motocross-specific tire range, which includes the RS47 Soft/intermediate tires.
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Tire sizing is an inexact science, because it depends on how the tire manufacturer chooses to make this measurement. Thus, most 120 rear tires are not true 120s.
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The Jett J1 channeled the original Scott plastic boot, but married it to the all-leather Alpinestars Super Victory boot to produce a plastic boot that weighed less and had fewer parts
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You can get hydration system in hip packs or backpacks, but for off-road racing the waist pack is preferred by most of our test riders because it doesn't bounce. 
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We’ve often joked that the KX bar mounts will bend if you look at them wrong. That might be a little harsh, but the KX front end gets twisted even in the smallest crashes. Luxon MX has a four-post solution.
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There is nothing worse than a flat tire at a race. Here are seven ways to end flat-tire phobia
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The Nuetech Tubliss tire system allows you to turn any brand of tire into a tubeless tire
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Two-stroke pipes can take a lot of abuse, but small dents, as long as they aren't in the first six inche sof the pipe can oftyen improve the power.
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The billet material of the T-Rex top triple clamp is significantly stronger and thicker than the stock forged-aluminum clamps
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Only 13,500 Factory Spec tires, divided equally between a front tire and two different rears, are currently available in the U.S. and only for big bikes
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Steg Pegz allow a rider to grip and control his bikes with the aid of his legs, which takes the load off of his arms to reduce arm pump.
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The XPR second injector kit made our stocker FC250 four-stroke feel like a modified engine. Not only did it improve throttle response, it helped the midrange and over-rev power as well.
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Radiator cap pressure can be measured in kilograms per centimeter squared (kg/cm2), pounds per square inch (psi), kilopascals (kPa) or barometric pressure (bar)
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The fact that they are named after famous British racing circuit's ought to give you a clue about Plews Tires.
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Natural rubber? Better. Synthetic rubber? Cheaper. Patched tubes? Free
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The Ride Engineering shock linkage gave test riders increased confidence increased stability on corner entry and long, fast straightaways.
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Aftermarket wheels won’t make you ride any faster, but they will make you look cooler and can save you when casing or overshooting a big jump. MX Champ wheels are durable, affordable and come with impressive warranties
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The Ride Engineering 20.5mm-offset triple clamps were heaven-sent for the Beta 450RX. The stock offset is 22mm, but by bringing the offset to 20.5mm, the wheelbase is slightly shorter and the trail is reduced.
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The new bike makes respectable horsepower on the dyno (58.01), but it feels slow on the track. Our test riders called it a Japanese 350. Twisted's ECU mod makes a big difference
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