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Past Articles Dirt Bike Project Bikes

2014 Kawasaki KX250F Project Bike

Thursday, May 22, 2014
We continue to rack up the hour meter around tracks and trails on our long-term Kawasaki KX250F motocross bike with some interesting results.

2013 Yamaha YZ250F Project Bike

Monday, December 30, 2013
We keep our long-term YZ250F running tiptop with routine maintenance and high-quality components from Yamaha and the aftermarket.

MotoUSA Staff Motorcycles - Suzuki RM-Z450

Thursday, November 21, 2013
Suzuki’s 2012 RM-Z450 is one of our favorite motocrossers. So much so, we purchased one second-hand and build it into the ultimate motocrosser.

Honda CRF450R Project Racing Loretta Lynn's

Friday, October 25, 2013
Loretta Lynn’s is one of the toughest tests of rider and machine. MotoUSA’s friend and veteran motocross racer Kevin Foley chases a 10th Championship at the historic race.

2013 Honda CRF450R Project Bike

Wednesday, July 31, 2013
Find out how MotoUSA's long-term CRF450R performs as it racks up time on the clock riding on trails, tracks and desert.

2012 Honda CRF450R Project Bike

Friday, September 28, 2012
Replacing wear and tear components is a part of dirt bike ownership. We upgrade our Honda CRF450R with some hard parts from Pirelli and Renthal in this project bike test.

2012 Yamaha YZ250F Project Bike Wrap Up

Friday, September 7, 2012
We continued to ride our 2012 Yamaha YZ250F project bike and made some final modifications before returning it to Yamaha.

2012 Honda CRF250X Project Bike Part 2

Thursday, August 2, 2012
We add a few more components to the 2012 Honda CRF250X project bike to make it more crash-resistant and help give the rider some control over the carburetion.

2012 Yamaha WR250F Project Bike

Friday, May 4, 2012
Yamaha offers a solid enduro platform with the WR250F, but we installed a few common-sense components to upgrade our 2012 dirt bike.

2012 Honda CRF150R Expert Project Part 2

Wednesday, April 25, 2012
Our 2012 Honda CRF150R Expert gets another batch of upgrades to improve the mini weapon even further.

2012 Yamaha YZ250F Project Bike 1

Friday, April 13, 2012
We continue to log hours on Yamaha’s YZ250F dirt bike and with some routine maintenance it continues to run strong.

2012 Suzuki RM-Z250 Project Part 1

Friday, April 6, 2012
MotoUSA's 250 Motorcoss shootout winner sticks around in the garage - when it's not turning motos at the track. Check out our 2012 Suzuki RM-Z250 project bike update.

2012 Honda CRF250X Project Bike Part 1

Friday, March 23, 2012
Our 2012 Honda CRF250X gets smothered with the MSR Hard Parts catalog to help transform it into a better trail bike and EnduroCross weapon.

2011 Honda CRF450R Mammoth Project Bike

Thursday, March 8, 2012
Motorcycle racing is easy, right? That’s what we assumed as we headed to the mountain to race the annual Mammoth Motocross event with our long-term Honda CRF450R.

2012 Suzuki RM-Z450 Project Bike

Wednesday, February 8, 2012
Despite finishing runner-up in our 2012 450 MX Shootout, Suzuki’s RM-Z450 could be further tailored with a few upgrades to be a solid track performer. Get more details in Part 1 of our 2012 RM-Z450 Long Term Project.

2012 Honda CRF150RB Project Part 1

Thursday, January 5, 2012
Motorcycle USA gets readers up to date on its long-term 2012 Honda CRF150RB Project dirt bike.

2011 Honda CRF250R Project Bike Wrap Up

Monday, October 17, 2011
We finish a few tweaks to the 2011 Honda CRF250R Project Bike to make it more forgiving during longer rides, but also discover setbacks with previous installments.

2011 Kawasaki KX450F Flat Track Project 3

Friday, October 7, 2011
We head to Perris Raceway to try our hand at dirt track motorcycle racing with the Southern California Flat Track Association.

2009 Honda XR650L Project Bike Part 2

Sunday, September 11, 2011
In the test to build the ultimate budget ADV bike our off-road correspondent wraps-up modifications in Part 2 of the Honda XR650L Project Bike.

2011 Yamaha WR450F Project Bike

Friday, September 9, 2011
MotoUSA revisits the popular Yamaha WR450F trail bike. A few modifications update the enduro model with improved controls and a Leo Vince exhaust.
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