wiseco

Get to hear the sound that launched a million motocross careers in the 1970s and '80s make a comeback to the front of the sport at Glen Helen Raceway of Saturday, April 8, at Noon
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David O’Connor is everyone’s favorite Irishman; however, “everyone” is a relative term. We actually mean everyone in the American motocross community
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"I chose the Yamaha YZ125 because it had been basically the same since 2005. I know lots of people criticize Yamaha for not making a new YZ125 and YZ250 every couple of years, but the fact that they don’t change is why I wanted one."
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At the end of every year, it's time to look back, look forward and look inward
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This two-stroke CR125 turned into a fire breathing CR139. This is one of the fastest big-bore 125's around
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Win a brand-new Yamaha YZ250 two-stroke and help someone in need
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Brett Metcalfe’s Yamaha of Troy YZ125 was the last of the breed — and he was the last of the Mohicans
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They all said that two-strokes were dead and then they heard a strange buzzing from the hills just off Route 66—the two-strokes had landed!
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For those who think that two-strokes are dead, they need to look back at last year's 2020 World Two-Stroke Championship because this year's race is on Saturday
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There is a $6000 Pro purse for the 125 Pro class, Over-30 125 Pro class and Over-50 125 Pro class — plus $8000 for the premier Open Pro class
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The record breaking rider turnout is proof-positive the two-strokes are alive and well in America
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A quick look at all the news that happened over the last seven days — what you may have missed
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Depending how you feel this could be a How-To-Do-It story or a warning to avoid this addiction while you still have your sanity
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The MXA boys head to South Carolina to ride ClubMX and test one factory bike, a Cycra YZ450F, ProX KTM 250SXF and a ClubMX KTM 150SX
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Atlanta Supercross telecast bump by a UFC fight by 3 hours. Will show on tape delay at 10:00 p.m. Eastern and 7:00 p.m. Pacific.
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In 2006, Kawasaki stopped importing the KX125 and, for 2008, the RM125 and CR125 bit the dust. But that doesn't mean that MXA can't keep them alive
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Harking back to K-Dub's Yamaha days
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Don't try this with a ten-year-old four-stroke
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The magnificent eight, and much more
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What you don't know about pistons, MXA can fix for you right now
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2009-2012 CRF250 primer
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Big-bore kits are available from Cylinder Works, Wiseco, CP, L.A. Sleeve, Millennium, Thumper Racing, KTM, GYTR and Athena. This bike is a KX250F turned into a KX269 by Cylinder Works. When you increase the cylinder's bore you increase the…
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There isn't an easier performance mod than pouring VP Racing's oxygenated race gas in the tank.
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What is it about a project bike that makes the MXA wrecking crew drool like kids in a candy store? Maybe it's the endless possibilities. Perhaps it's the list of trick components that litter the bike. Maybe it's the allure of testing one…
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Two-strokes were easy to hop-up, not so with a four-stroke
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