Read those headlines again! Believe it or not KTM gained 5 horsepower in one year, while Kawasaki slowed down the KX450F and sped up the KX250F...and made both bikes better at the same time. This is the KTM 350SXF the way it should have… Read More...
Dear MXA, My 2006 Yamaha YZ450F bogs and dies when I?m riding it. If I pull over and wait a few minutes it will run fine. Then the problem starts up again. What is wrong? The 2007 YZ450F got the four-bolt stator?not the… Read More...
Only Ryan Dungey knows what he is going to do for 2012. Dear MXA, Everyone has heard the rumors that Ryan Dungey will leave Team Suzuki for greener pastures in 2012, but is there any truth to the rumor that he will move… Read More...
Dear MXA, I have a 2006 YZ250. When I fired the bike I noticed coolant leaking in a very small amount from a small hole in the bottom of the water pump cover. It didn't leak much but I could find no reference in the manual… Read More...
Dear MXA , I noticed, and have heard other people comment, that there are no bylines on the stories in MXA . Why is this? Are you afraid? That crafty John Minert pulled a fast one and put a byline on this travel story… Read More...
Dear MXA, I have a 2005 YZ250, but my front rotor has a serious wobble in it. My friend has an spare 2008 YZ450F rotor that he will give me. Will it fit on my 2005? The rear rotor from a 2008 YZ250F or YZ450F will fit on your… Read More...
Dear MXA, I bought my kid a 2007 Honda CRF150 from my brother-in-law. The bike is totally stock and never been race (only ridden around the family farm). Unfortunately, my kid wants to race, but the bike pops and bangs so… Read More...
Dear MXA, I recently purchased a used 2006 Honda CRF450. Before taking my first ride, it emitted a high-pitched squeal. When I restarted the bike, the noise was gone. But, on my next outing the noise returned. Any… Read More...
Dear MXA, Is it true that piston aren't round? A kid in auto shop told me this, but I have looked at a lot of pistons and they all look round to me. Are they round? They aren't even close to round. Pistons are egg shaped from… Read More...
Dear MXA, My 2006 Yamaha YZ250 has stock jetting, lower gearing and a Pro Circuit pipe, but it pings under a load. What is the solution? You have two simple solutions: (1) Add a small amount of race gas to your pump gas… Read More...
Dear MXA, Who made the first successful aluminum frame? Was it Honda in 1997 or someone else? 1977 Hagon. Greeves aluminum down tube from the 1950s. Almost 60 years ago there was a motocross bike with an aluminum frame… Read More...
Dear MXA, Can my handlebars be damaged by my tie-downs? Yes. If the metal hoop on your tie-downs scratch the outer surface of your aluminum handlebars it creates a hot spot in the aluminum… Read More...
This may look like a victory whip, but it is actually Ryan Dungey twisting his bike to get a good look at Roger DeCoster driving away. The 13th and final AMA National of the 12-race 2010 AMA National Motocross Championships came to a… Read More...
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