2011 AMA Motocross

Ryan Dungey is having another great year in the AMA Motocross Championship. With two rounds remaining, the reigning AMA Supercross/Motocross Champion trails rival Ryan Villopoto by seven points.

For the second consecutive year, the Rockstar Makita Suzuki rider will also head to the Motocross of Nations, which takes place in France this year.

Yoshimura Exhaust

Yoshimura’s RS-4 and RS-4D exhaust applications are now available for the 2012 Honda CRF450R.

The RS-4 muffler was developed in conjunction with the Rockstar Makita Suzuki race team with one purpose in mind: winning championships.

Yoshimura KX450 RS-4/RS-4D Exhaust

The RS-4 muffler was developed in conjunction with the Rockstar Makita Suzuki race team with one purpose in mind: winning championships.

2011 AMA Pro Racing

The penultimate round of the 2011 AMA Pro Road Racing series got underway Friday at Mazda Raceway Laguna Seca, with the first practices held under clear, California skies for the Superbike and Daytona SportBike classes, and the first qualifying for SuperSport.

2011 AMA Superbike Results

In nine out of 11 races so far in the 2011 AMA Superbike Championship, victory went to either Blake Young or the reigning champion, Josh Hayes.

This includes Young’s race-two victory Saturday at Mid-Ohio, Round 6 of the 2011 Championship.

2011 AMA Superbike

The Mid-Ohio round of AMA Superbike began somewhat sour for the reigning champion Josh Hayes.

2011 AMA Motocross

Yoshimura-backed teams once again proved their dominance and the performance advantage of their Yoshimura products Saturday during the sixth round of AMA Pro Motocross Championship at the Redbud National in Buchanan, Mich.

2011 AMA Superbike

With his 3-1 finish Sunday at Barber Motorsports Park, AMA Superbike’s Blake Young is now only two points behind the series leader, Monster Energy Graves Yamaha’s Josh Hayes.

2011 AMA Superbike

Team Rockstar Makita Suzuki’s Blake Young had a lot to celebrate after this weekend’s AMA Pro Superbike races at Barber Motorsports Park in Birmingham, Ala.

2011 AMA Superbike

Spoiler Alert: Barber Motorsports Park AMA Superbike Race 1 result below

Typical of Alabama summer weather, thunderstorms brewed at Barber Motorsports Park Saturday, plaguing race 1 of the 2011 AMA Superbike serie.

2011 AMA Superbike Racing

Like every other round so far in the 2011 AMA Superbike Championship, the Rockstar Makita Suzuki duo of Blake Young and Tommy Hyaden were on the podium this past weekend at Road America, Elkhart Lake, Wis.

Spoiler Alert: Road America AMA Superbike Race 1 results below

2011 AMA Superbike

As in MotoGP, there seems to be a pack of aliens that control the AMA Superbike podium – the Rockstar Makita Suzuki duo of Blake Young and Tommy Hayden, and the reigning champion, Josh Hayes.

2011 AMA Superbike

Josh Hayes was fastest during Friday’s qualifying session, and the Monster Energy Graves Yamaha YZF-R1 rider continued his domination Saturday, taking the pole position for Round 4 of the AMA Superbike Championship in Road America, Elkhart Lake, Wis.

2011 AMA Motocross

Yoshimura-backed teams once again showed their dominance and the performance advantage of their Yoshimura products Saturday during the AMA Pro Motocross Championship season opener at the 43rd Annual Rockstar Energy Hangtown National.

2011 AMA Motocross

Team Rockstar Makita Suzuki showed off the dominance of their riders and the Yoshimura-equipped Suzuki RM-Z450 in the AMA Pro Motocross Championship season opener at the 43rd Annual Rockstar Energy Hangtown National.