More Stuff

"Give me a lever long enough and a fulcrum on which to place it, and I shall move the world." We didn't know that Greek mathematician Archimedes had ever raced
Read More...

Modern four-stroke motocross bikes rely high rpm to make horsepower, but early valve sprins either broke for floated. Italian engineer Fabio Taglioni pioneered the desmo valve train and solved the valbe spring issues
Read More...

Two-stroke spark plugs were subject to oil contamination and carbon build, but four-strokes don’t have this problem, but their plugs still wear out
Read More...

Clearing up the claims of non-existent Champions who depend on time to cover up their misleading claims
Read More...

If you asked the riders what the most prestigious championship in the sport is—they would say the one they won. However, if you ask them, which one they want to win, you might get a different answer.
Read More...

There is a reason why Yamaha supplies two extra needles with every YZ250 two-stroke –we explain the needle code
Read More...

Well, actually it is a melting kind of thing and a lost art in the motocross world. You can get more life out of old rubber with a tire groover
Read More...

Basic common sense settings are all you need to make your suspension work better and they are free
Read More...

We weren't trying to make the 2023-2024 Yamaha YZ450F faster, it's fas enough, we wanted it to be more manageable
Read More...

Famous Jody quote # 327: "The only thing I can afford to break in the middle of a race is the zipper on my leathers."
Read More...

Don't obsess on your fork's air pressure. Find the correct setting for your speed, weight and track and stay with that number. From that point on depend on the clickers to fine tune the feel
Read More...

"I was surprised to read in an MXA test that Husqvarna makes guns. Is that true?"
Read More...

It is a fact of life that engines used for racing are prone to breaking. Every part is stressed and could fail at any time—your job to to keep a close eye on the weak spots before they break
Read More...

MXA does run Maxima K2 pre-mix, but we do not run Maxima k2 injector oil as pre-mix—and there is a very good reason
Read More...

Slipper clutches are not autos, but auto clutches slip and you can do the same thing with your left hand
Read More...

The choice to paint MXA's helmets one color (and one color only) was brainstormed 30 years ago. It was the result of a year-long test to blue, red, green and chrome helmet designs
Read More...

I see riders put their right hand over the end of the muffler and blip the throttle, even MXA test riders, why do they do this—it makes no sense.
Read More...

Dear MXperts, I hate to admit it, but I got all enthused about Ken Roczen racing a Suzuki RM-Z450 and ran out and bought a leftover 2023 Suzuki RM-Z250. I got a great deal on it ($6000 out the door), and I broke it in by riding it in a…
Read More...

Why aren't gas/electric hybrids being looked into for motocross use? And, as a side note, bless your stars that they aren't
Read More...

Every hardcore motocross racer hates his fork seals. Of all the things that can go wrong on a motocross bike, fork seals are the most devastating
Read More...

Muffler packing is one of the most forgotten maintenance items on your bike
Read More...

As rugged as your forks may seem, they do have weak spots that can cause problems
Read More...

Over the years, MXA has tested more TM motorcycles than any other magazine or website; however.....
Read More...

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
Read More...

Sometimes the most recognizable thing about a racer is his helmet. Danny LaPorte had just such a helmet. Do you remember it?
Read More...

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."
Read More...

Even though there are fuel-injected two-strokes, all the motocross versions require oil to be pre-mixed into the gasoline. When adding gasoline with oil pre-mixed into it, the internal parts of the engine are lubricated as the engine runs.
Read More...

It would behoove any KTM, Husqvarna to take the simple step of initializing their ECU any time the weather changes
Read More...

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.
Read More...