Er Road Racin

Available in Gold, Silver or Unplated Steel Color QHow safe is patching or plugging a tire Is it safe enough to do trackdays Mark McQueen A Absolutely, positively not don't even think about it. Matter of fact, aside from attempting a top-speed run at Bonneville or running flat-out around the NASCAR oval at Daytona, riding at a trackday is about the worst thing you could do with a plugged tire. Several factors make a plugged tire potentially dangerous. For one, no two tire punctures are exactly...

By Kevin Cameron

OMENTS AFTER HIS 3' 2-SECOND Victory over Casey Stoner this past July at Mazda Raceway Laguna Seca, Jorge Lorenzo left his Yamaha YZR-M1 and sprinted from view. He returned as a silvery-clad astronaut, moving with studied clumsiness as if in lunar gravity, to plant a black flag, claiming Laguna as Lorenzo Land. Lorenzo won the starting-line drag race but was left behind in a hectic Turn 2 push-and-shove as Honda's Dani Pedrosa took the lead. Was this it Would this be another of Pedrosa's...

Yamaha Yz450f

As CJVs current Best Motocrosser, the YZ doesn't need much of an introduction. Explosive bottom-end and mid-range power defines this bike's engine output, while intelligent packaging allows class-leading handling although the YZ can be intimidating for a lot of riders (Dudek excluded). We found ourselves riding conservatively so as not to get bitten by its aggressive nature. Our use of the YZ's GYTR fuel-injection tool, however, allowed us to create a map that delivered mellower