ASK THE MXPERTS: HOW CAN THE AMA FINE HILL AND LAWRENCE? Dear MXA, What business was it of the AMA to fine Jason Lawrence and Josh Hill for their drunken activities in 2008, including flipping a rent-a-car, getting arrested and… Read More...
Dear MXA, My 2006 Kawasaki 250F backfires when I roll the throttle off. I've gone from the stock 40 pilot to a 45 and screwed in my fuel mixture screw. Should I try another richer pilot or is there something else you would… Read More...
ASK THE MXPERTS: WHAT IS THE MOST OVERLOOKED PART OF BIKE? Dear MXA, What is the most overlook part of a motocross bike that can and will go wrong if ignored? There are two commonly ignored parts of a… Read More...
ASK THE MXPERTS: IS MY HELMET STILL SAFE? Dear MXA, I bought a new Shoei VFX-R Helmet back in 2000. I used it for one year, and it has been sitting in my closet ever since. I am looking to start riding again. Does… Read More...
ASK THE MXPERTS: IS THERE A WAY TO MAKE OLD PLASTIC NEW? Dear MXA , A couple of years ago, MXA did a write up on a liquid/spray used to clean up scratches on plastic fenders. What was it? It was called… Read More...
ASK THE MXPERTS: WHO DO THE FACTORY'S BUILD THE BIKE FOR? GIANTS OR MIDGETS? Dear MXA, What is Yamaha's target rider weight and ability level for the YZ450F's stock suspension? … Read More...
THE AIR PRESSURE CONUNDRUM: WHERE TO START TO FINISH Dear MXA, I checked my tire pressure before practice and it was at 14 pounds. I checked it again after practice and it was 18 pounds. What’s the deal?… Read More...
ASK THE MXPERTS: WHY DON'T MOTOCROSS EXHAUST PIPES LOOK LIKE FORMULA 1 PIPES? Dear MXA, Wouldn't the best exhaust pipe for my CRF450 be one pipe off of the eight-cylinder Honda Formula 1 car? If you were interested… Read More...
ASK THE MXPERTS: WHY DOES MXA ALWAYS SAY TO PUT IN STIFFER FORK SPRINGS? DO YOU KNOW MORE THAN THE FACTORY? Dear MXA, Many times you tell riders to put stiffer fork springs and lower the oil level to make to forks work better.… Read More...
ASK THE MXPERTS: DOES ANYONE CUT DOWN SUBFRAMES FOR PEOPLE? Dear MXA, My wife wants to buy a 2007 CRF250, but she is only 5 foot, 4 inches tall. Is there a MX company that can help us with seat foam… Read More...
Dear MXA, I recently purchased a used 2004 KX250F. I have installed a Boyesen water pump/oil cover with impeller to aid in cooling. I am thinking of running coolant, what would you recommend? We used… Read More...
ASK THE MXPERTS: CAN PRE-MIX SHATTER MY PISTON? Dear MXA, I read that some people recommend premixing fuel at 40:1. My local mechanic says I should run 32:1. I have been running 36:1. I already shattered a stock piston… Read More...
ASK THE MXPERTS: CAN MY FILTER CATCH ON FIRE? Dear MXA, Can I remove the wire mesh screen inside my KTM 450SXF air filter cage? The manufacturers put the wire screen in the cage to stop… Read More...
ASK THE MXPERTS: HOW TO FIX KTM'S LEAKING GAS CAP Dear MXA, I own a brand-new 2007 KTM and the gas cap leaks. I complained to my dealer and he gave me a new gas cap. Guess what? It leaks too. What's the solution? … Read More...
ASK THE MXPERTS: WHO MADE THE TRIPLE CLAMP WITH THE SUSPENSION BUILT IN? Dear MXA, I recently hurt my wrist and remember seeing a top triple clamp that had suspension built into it to take the load off of hard… Read More...
ASK THE MXPERTS: WHAT WERE ZACH OSBORNE'S RESULTS BEFORE HE MOVED TO ENGLAND? Dear MXA, I never heard of Zach Osborne before he came to the GP series and won the first moto of the Grand Prix of Ireland in 2008. I live in… Read More...
ASK THE MXPERTS: HOW MUCH ALCOHOL CAN I RUN IN MY BIKE FROM THE LOCAL PUMPS? Dear MXA, Many gas stations in my town are switching to ethanol. Can I run these fuels in my CRF450? … Read More...
ASK THE MXPERTS: WHAT MODS SHOULD I MAKE TO MY 2006 CRF250? Dear MXA, What did the MXA wrecking crew do to its 2006 Honda CRF250? Here is a list of the things that the MXA test crew tried on the 2006 CRF250:… Read More...
ASK THE MXPERTS: WHAT ABOUT MY HALF-AND-HALF SPARK PLUG? Dear MXA, I am running Sunoco 93 and Cam 2 racing fuel with a 50/50 mix in my YZ250. Half of the spark plugs porcelain is light brown and the other… Read More...
Dear MXA, I have a 2004 KX125. When I went to the dealer to buy a spark plug, the parts person told me it would be $36.70 for the R6918B-9. I did some research and found that the 2003 and 2005 bike use a… Read More...
ASK THE MXPERTS: KEEPING TRACK OF TIME Dear MXA, Since MXA has so many test bikes and has to keep them all running, how do you keep track of them? Every MXA test bike has an hour meter installed on it. We… Read More...
ASK THE MXPERTS: 2003 Yamaha WR250 Fork Query Dear MXA, I know that you don?t test WR's, but I have a 2003 Yamaha WR250 that bottoms out. Would it be a good idea to swap the forks from a YZ250F? … Read More...
ASK THE MXPERTS: WHAT AM I MISSING ON MY 2006 KX450F? Dear MXA, I have done everything that you guys suggested to my 2006 KX450F (linkage, shock settings, ride height, fork offset, gearing, 110 rear tire, etc) and it is twice… Read More...
ASK THE MXPERTS: IS THERE A BARRY BONDS IN AMA RACING? Dear MXA, After the Tour de France problems and the Barry Bonds drug scandals I was wondering if the AMA tests for steroids or EPO? Do pro racers use performance… Read More...
ASK THE MXPERTS: CRF450 TECH: YOUR OIL IS TOO LOW Dear MXA, My 2007 CRF450 makes a squealing sound when I start it. The sound goes away once the bike is running. It runs fine, but always squeals when started.… Read More...
ASK THE MXPERTS: WHY DOESN'T MXA HAVE POSTERS OF GIRLS IN BIKINIS Dear MXA, When are you going to have a hot chick model in your mag? I have heard that MXA censors the ads that go in the magazine; that you won't allow photos of… Read More...
Dear MXA, I have an old 2006 Honda CRF450 and would like information on big-bore packages you have tested and prefer. I ride the Over-40 class in motocross, but still go pretty fast. Thanks for your help. We… Read More...
A smart rider is also a safe rider and part of being safe is wearing proper protective gear. Of all the protective gear that you as a rider wear, a helmet is always what comes to mind first. It is crucial that you keep your head as well… Read More...