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race tech

YZ250F PROJECT: HARDWARE VIDEO SERIES

The Yamaha YZ250F is the most popular bike in the 250 class. It won our 2021 MX shootout and it’s one of the most successful bikes in Pro motocross. But all is not perfect in YZ land. The Yamaha has less top-end power than the KTM, Husqvarna, Kawasaki and Honda. What’s it take to bring […]

SPECBOLT KAWASAKI KX450 BUILD: PROJECT BIKE SPOTLIGHT

Our Specbolt 2018 Kawasaki KX450 build is front and center on this week’s Project Bike Spotlight. Check out  the individual videos on 2019 450cc four stroke machines from Honda, Husqvarna, Kawasaki, KTM, Suzuki and Yamaha in Thumper Theater. Don’t miss the exclusive link to one sweet Honda CRF450R build at the bottom of this post.  […]

FIXING THE HONDA CRF250RX: THE WRAP

The CRF250RX is the right idea, but Honda didn’t go far enough.  American off-road riders clearly want off-road bikes that are more manageable than full-size 450s. Just look at the success of the KTM 350 and all the new 300cc two-strokes. That was the motivation behind the 250RX, which is an off-road version of the […]

SUZUKI RM-Z270: HARDWARE VIDEO SERIES

There is no question the 2018 Suzuki RM-Z250 is one of the best-handling machines in its class, but it’s also no secret that raw horsepower is not one of its strong points. All engine builders agree increasing engine performance on the RM-Z250 is possible but by no means easy or cheap, especially when playing by […]

TWO-STROKE TUESDAY: 1988 KDX200 REBUILD

A Ron Lawson completely rebuilt 1988 KDX200 is on display for this weeks Two-Stroke Tuesday brought to you by Boyesen. We packed 2-Stroke Theater full of Kawasaki project bikes from the past and don’t miss 2-Stroke hardware for information on the upcoming MTA Two-Stroke Championship! KX 2-Stroke faithful don’t miss the exclusive link to our […]