ask the mxperts

As rugged as your forks may seem, they do have weak spots that can cause problems
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Over the years, MXA has tested more TM motorcycles than any other magazine or website; however.....
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Forget about emulating Eli Tomac—think of yourself as John Force. Twist the throttle to the stops and leave it on as long as possible, you will go faster
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Sometimes the most recognizable thing about a racer is his helmet. Danny LaPorte had just such a helmet. Do you remember it?
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Sadly, the checkered flag is more ceremonial than an accurate gauge of who won. The actual finish line, where the race is scored, is not on top of the finish-line jump (where the flagger stands), but on the face of the jump.
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But, If you “don’t have spark,” there is nothing to light the compressed fuel and air with. Spark is an a major part of the "Fire Triangle."
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Desaxe engines have been around for a long time, even Henry Ford implemented offset cranks on the Ford Flathead V8 in the 1930s. Motocross engines have been adopting offset cranks for the last 15 years.
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If you take the same material used in a 7/8-inch aluminum bar and make a 1-1/8-inch bar, the larger bar will be 2.1 times stiffer and 1.7 times stronger. Why? Because stiffness increases to the third power and strength to the second power…
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If you need strange solution to fix a common problem, the problem is you
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Motocross tires are measured using the Shore Type A durometer scale — The higher the durometer number the harder the rubber compound
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These are the magic numbers…in America
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Peak measures the highest horsepower the engine produces, but often a pipe, piston, cam or mod makes larger gains, compared to the stock engine, at different parts of the powerband
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Someone, somewhere must have pioneered the idea and built a proof-of-concept motocross machine—Who was it?
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The only tool you need to install the poorman’s steering damper is a wrench
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There is a reason why Yamaha supplies two extra needles with every YZ250 two-stroke –we explain the needle code
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When are motocross bikes going to get fly-by-wire throttles? Let's hope that never happens
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Why not pay a few extra points to the best dressed rider, or the one who drove into the pits in the fanciest car, that would make as much sense as forcing the riders to race on Saturday for gate pick on Sunday after they already rode timed…
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Perfect steering geometry is the correct relationship between the bike’s head angle, weight bias, overall wheelbase, front center (distance from the front axle to the crank center), fork offset and trail
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The Luongo-led MXGP series finds another way to line their pockets on the sweat of the Grand Prix riders
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As a rule of thumb, try not to use threadlock; instead, rely on the proper torque specs from your owner’s manual. If you must use threadlock, use the appropriate grade
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If Eli Tomac been running Fastway Ankle Saver footpegs, he might have been the 2023 AMA 450 Supercross Champion
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Ken Roczen is responsible for a bump in 2023 Suzuki sales, because Kenny proved that the RM-Z450 was much more competitive than most people thought
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Heat is a byproduct of horsepower, but if they can’t keep the heat under control, it doesn’t matter how much effort youy put into producing power
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And, a simple and easy way to tell at the glance where fork fork's problem lies.
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The original basis for dividing the 250 Supercross series into East and West regions was part grassroots enthusiasm and part inferiority complex. However, professional Supercross is no longer grassroots. It is big-time entertainment, and…
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There is a correct answer, but the grammar police never leave the comfort of their basement lairs and schoolmarm sensibilities rarely apply at the track
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Are AMA Supercross and motocross racers in touch with their pit crews by radio?
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Suspension set-up advice on a 12-year old KTM four-stroke is a rare commodity
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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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