Dirt Bike Project Bikes

Motorcycle USA holds onto these dirt bikes for some long-term testing and product evaluation. Read the results on the dirt project bike page.

Featured Dirt Project Bikes

2012 Suzuki RM-Z450 Project Bike

Wednesday, February 08, 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 05, 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 07, 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 09, 2011

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

2003 Honda CR125 - Craigslist Killer Project

Wednesday, July 20, 2011

MotoUSA teams up with Jay Clark Enterprises to purchase a bike from Craigslist and turn it into a modern moto weapon. We put a 2003 Honda CR125 against the 2011 Yamaha YZ125 to find out.