Browsing tag

250SXF

THIS MUCH WE KNOW! EXPLORING THE OPTIONS OF AFTERMARKET KTM BATTERIES

The KTM is the only motocross bike to come with a battery, because it is the only motocross bike to come with an electric starter. The upside of electric starting is that you just press the button and go. The downside is that the starter motor and battery add 5 pounds to the KTM’s overall weight. (Surprisingly, it still isn?t the heaviest bike in the class.) When you buy a new KTM, there is a 4.0-amp lead-acid battery in the bike. The stock Yuasa YTX4L-BS battery weighs 3.71 pounds (and the optional 5.0…

TWO-STROKE VERSUS FOUR-STROKE: 2012 KTM 250SXF VS 2012 KTM 250SX

And in this corner…the 2012 KTM 250SX two-stroke. The MXA wrecking crew can make one promise with this shootout: a KTM is going to win. In truth, this is the best two-stroke versus four-stroke comparison possible. Why? Both the KTM 250SX two-stroke and KTM 250SXF are brand-new models. They have been updated every year for the past five years?and they aren?t apples and oranges. This is as clear-cut and as accurate a head-to-head comparison can get. These are both brand-new, modern, up-to-date machines….

MXA’S 2014 KTM 250SXF MOTOCROSS TEST: IT ROMPS ON THE DYNO, BUT WHY DONT WE LIKE IT ON THE TRACK

FIRST AND FOREMOST, IS THE 2014 KTM 250SXF BETTER THAN THE 2013 KTM 250SXF? A: Yes, but we?re splitting hairs. The engine is unchanged, but the suspension, front brake and map settings were breathed on by KTM’s engineers. The 2014 KTM 250SXF is remarkably similar to the 2013 model, but the Austrians did make enough revisions to warrant the accolade of ?better.?   Q: WHAT APPROACH DID KTM TAKE WITH THE 250SXF? A: KTM has been?and always will be?a motorcycle manufacturer focused primarily on engine d…

WE RIDE KTM FACTORY SERVICES’ 350SXF: IT IS A FACTORY BUILT ENGINE FOR NON-FACTORY RACERS

Have you ever picked up the phone and called Team Honda to see if they would hop-up your CRF450? No? Well, don?t. They won?t touch your engine?and they won?t accept any future phone calls from you. The same holds true for Team Kawasaki, Team Suzuki and, most certainly, the nonexistent Team Yamaha. But, amazingly, there is one factory team that will hop-up your engine to full-race, high-tech, factory specs. And while KTM isn?t going to pull 2012 Mechanic of the Year Carlos Rivera off Ryan Dungey’s bike t…

MXA MID-SIZED SHOOTOUT: WHICH IS BEST? A 125 TWO-STROKE, 250 FOUR-STROKE OR 250 TWO-STROKE

  Not every rider is alike. There are riders who like the snap of a 250cc two-stroke, those who prefer to wring the guts out of a wide-open 125cc tiddler, and a third group that craves the abundant vibes of a 250cc four-stroke. The MXA wrecking crew decided to round up all three of these bikes and compare them head to head. Now, you might be wondering why we didn?t include a 450cc four-stroke in the comparison. The answer is simple: very few riders are trying to decided between a 450cc bike and a s…

2014 KTM MOTOCROSS MODELS ? 85SX,125SX, 150SX, 250SXF, 350SXF, 450SXF

2014 450SXF The KTM 450 SX-F  has new engine case to reduce weight. The piston has been mod i fied for more durability, the DDS clutch get a 280 Nm clutch spring and a new three-layer cylinder head gasket to increase durability. The 450 SXF also features a lightened camshaft with a strengthened auto-decompression mechanism. 2014 350SXF All 2014 KTM models get a revised chain guide for more reliability and less weight. There is a new front brake lever, actuator and reservoir. The saddles have new fo…

MXA’S 2013 250 FOUR-STROKE SHOOTOUT: WE AREN’T TELLING YOU WHAT TO BUY? JUST WHAT WE WOULD BUY (PLUS VIDEO)

It has been a long and winding road, fraught with peril and surprises around every corner. But, the MXA wrecking crew managed to get through testing the 2013 250 four-strokes with nary a scratch. As for our six bikes, they took the brunt of our countless hours on tracks around the United States. It was all in the name of finding out the good, the bad and the ugly of each bike. What’s so unique about our 2013 shootout? You might have noticed that Husqvarna has joined the party. We welcome the Italians an…

MXA TEAM TESTED: SHORAI KTM 250/350/450SXF LIGHTWEIGHT LITHIUM LFX BATTERY

WHAT IS IT?  The Shorai battery is 33 ounces lighter than the stock KTM Yuasa YTX battery. It uses lithium iron phosphate technology, instead of the traditional lead-acid construction. The recommended Shorai battery for a KTM motocross bi ke is the LFX14L2-BS12. It has more cranking power than the battery that MXA preferred, the LFX09L2-BS12. Why did we choose the LFX09L2-BS12. ? It was lighter and cheaper. However, even though we had no problems starting our test bikes with this battery, Shorai’s …

MXA’S 2013 YAMAHA YZ250F MOTOCROSS TEST: THE MOST MODERNIZED VINTAGE BIKE ON THE MARKET TODAY

IS THE 2013 YZ250F BETTER THAN THE 2012 YZ250F? A: No! Is it worse? No. The 2013 Yamaha YZ250F is the same bike as last year, aside from the graphics, black handlebars and a white rear fender. It is, much like Dolly the sheep, a clone of the 2012 model. Q: HOW MANY CHANGES WERE MADE TO THE 2013 YAMAHA YZ250F? A: Didn?t you read the answer to the previous question? We weren?t joking. The 2013 Yamaha YZ250F has BNG (Bold New Graphics), black handlebars and a white rear fender instead of blue. Cosmetic upd…

MXA’S 2013 KTM 250SXF MOTOCROSS TEST: THE MOST POWERFUL PRODUCTION 250 FOUR-STROKE EVER

Q: FIRST AND FOREMOST, IS THE 2013 KTM 250SXF BETTER THAN THE 2012 KTM 250SXF? A: It would be hard-pressed not to be, because the 2012 KTM 250SXF was the slowest and heaviest 250 four-stroke made in 2012.   Q: WHAT HAPPENED BETWEEN THE 2012 AND 2013 MODELS? A: The MXA wrecking crew admires KTM’s technical staff for holding their tongues during the berating they took over the doggy 2012 KTM 250SXF. At the time, we thought that they were suffering in silence, but now that we?ve seen the changes they …

DREAM JOBS: HOW TO MAKE A LIVING DOING WHAT YOU LOVE (09/13/12)

SCOTT YOUNGSTRAND KTM R&D TECHNICIAN STARTING POINT: ?I spent years as a privateer struggling, but I was in the right place at the right time. I worked up in Canada on the race team for six months and got my foot in the door. Having a brother who’s a test rider helped a bit, too. I got in, worked hard and moved through the ranks.? THE JOB: ?We test the production models. We test anything that we think will benefit U.S. models. We have a lot of freedom from Austria. They send us projects all the time…

WE RIDE LANCE VINCENT’S MUNN RACING KTM 250SXF… SADLY BECAUSE LANCE HASN’T BEEN ABLE TO RACE MUCH THIS YEAR

It is often said that the only difference between funding a race team and throwing money in a bonfire is that you?ll actually stay warm if you burn the money. That comparison isn?t far off. Fielding a professional motocross race team is a money pit. There’s a gross misunderstanding about the expenses needed to even get to a single race. Motorcycles cost money, as do team personnel, parts, travel, transportation, fuel, food, and rider salaries. It doesn?t take a genius accountant to realize that funding …

IN SEARCH OF MORE POWER WE BUILD A 280cc KTM 250SXF MOTOCROSS BIKE

This story is much more about an engine than about the bike itself. More specifically, it is about the trend that this engine represents. KTM’s 2012 250SXF engine is an advanced, 248.6cc, water-cooled and fuel-injected mechanical marvel. It was developed to incorporate Keihin fuel injection, digital mapping, electric starting and a hydraulic clutch. It is a trendsetter?in more ways than one. Can you tell that it is a big-bore? We can, but to the casual observer there is no clue. However, the guy in the …

MOTOCROSS ACTION’S WEEKEND NEWS ROUND-UP: INDY 500? COKE 600? FREESTONE? WE SHOULD BE PROUD THAT ONLY ONE OF THESE RACES WAS ON TWO DIFFERENT, ALTHOUGH OBSURE, TV NETWORKS

THE END OF A NEWS CYCLE THAT STARTED WITH AN EARTHQUAKE ON MARCH 11, 2010 Left unrestored this Harley will stir peoples memories and heart about the devastating earthquake in Japan. Remember the story of the 2004 Harley-Davidson FXSTB Softail motorcycle, recovered on the coast of British Columbia after drifting for more than a year […]