Pro Works Episode 4: Installing an Hour Meter on a YZ450F and Why?

: Chaparral Motorsports and Larry Brooks have joined forces to build professionally prepped dirt bikes that you can build in your garage. Professional racer and team manager Larry Brooks brings his insight along with Chaparral Motorsports to select the best products to add to your 2015 Yamaha YZ450 to build an even better machine. For a complete list of products and videos visit is a leading motorcycle parts and accessori