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250

2002 HONDA CR250

(click on photo) CR250: 1. New third generation twin spar aluminum frame and swingarm. (1.1 lb lighter than last years frame) 2. Redesigned rear brake system with integrated reservoir and master cylinder. 3. All-new case-reed engine. 4.…
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YAMAHA DEBUTS THE YZ250F

Amidst all the hype surrounding the first outing of Honda's RC450, Yamaha also debuted a new bike at the October 22nd race in Japan. That's right, at the same mud race where Tortelli showed the world the RC450, Ernesto Fonseca proved to the…
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YAMAHA’S ALL-NEW 250 FOUR-STROKE

Believe it or not, Yamaha will race a four-stroke in the 125 class next year. No, not a 125cc four-stroke---a 250cc four-stroke. Under current AMA rules the 125 class is limited to 0-to-125cc two-strokes and 0-to-250cc four-strokes. The…
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2001 HONDA CR125 & CR250

Want to know what's different on the 2001 CR125 compared to the CR250 other than a smaller motor? HERE'S WHAT'S NEW ON THE 2001 CR250 1. New cylinder port shapes and timing specs provide a smoother and stronger power delivery, and produce…
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FOOLPROOF STARTING TIPS FOR YZ-F OWNERS

There is no doubt that the Yamaha YZ-F will encourage lots of new riders into the four-stroke fold. The rite of passage for any neophyte four-stroke rider is starting one of the beasts. The golden rule--tattoo this on your forehead is:…
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MXA’S SECRET JETTING SPECS, 2003 And Back

We can't tell you how to jet your bike. It's a big world out there (and we don't know you all that well). However, we can tell you what jetting we run in the MXA test fleet. Take into account that we race in a Mediterranean climate, near…
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THE 20-INCH TIRE REVOLUTION

Why are so many of the factory riders testing 20-inch front tires? Are they guinea pigs? What are the advantages and disadvantages of the new tire size? Is the 20-inch actually smaller than a 21-inch tire? Are consumers going to have to dig…
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