AHRMA: 500cc Grand Prix Bikes Racing At Laguna Seca

AHRMA: 500cc Grand Prix Bikes Racing At Laguna Seca

© 2023, Roadracing World Publishing, Inc. From a press release issued By AHRMA:

Bridgestone, 4SR USA and Markbilt Racebikes Sponsor Open Two Stroke Class Featuring MotoGP™ Bikes at AHRMA Classic MotoFest™ of Monterey July 14-16

Monterey, CA – The sound and aroma of classic MotoGP bikes are back at WeatherTech Raceway Laguna Seca.

Ralph Staropoli will race a 1992 ROC YZR500 and Dave Frick will race a 1992 Harris YZR500. Adrian Jasso will add even more exotic flair on his Suter MMX 500.

They will all be competing in the American Historic Racing Motorcycle Association (AHRMA) Open Two Stroke race which is part of the AHRMA Classic MotoFest of Monterey July 15th and 16th.

All racers in the Open Two Stroke class will compete for a cash purse provided by a group of individual AHRMA racers.  Additional support from 4SR USA and Markbilt Racebikes has increased the purse to $4,500.

Bridgestone Motorcycles Tires will provide a set of race tires to the winners of each of these following tiers within Saturday’s Open Two Stroke race: 125cc, 250cc, and more than 250cc.

Learn more at AHRMA.org.  Spectators can purchase tickets here.

About Bridgestone

Bridgestone Tires is the 2023 AHRMA National Historic Cup Roadracing series sponsor and offers tires for all types of motorcycles.

About 4SR USA Inc

4SR USA produces stylish and functional motorcycle clothing of the highest quality. As active bikers and competitors, all of their designs, materials, development, and testing are performed by them and their sponsored riders. Their personal experience and the experience of their sponsored riders give them the ability to continuously produce gear that is innovative, safe, and stylish.

About Markbilt Racebikes

Markbiltracebikes LLC has been  owned and operated by former racer and motorcycle enthusiast Mark Rozema since 1998.  Not only does Markbilt take pride in building race worthy motorcycles, but also in tuning , suspension , fabrication, welding and chassis service.

About WeatherTech Raceway Laguna Seca

WeatherTech Raceway Laguna Seca is a world-renowned 2.238-mile traditional road course that was built in 1957 and was known at the time as Laguna Seca Raceway. WeatherTech Raceway Laguna Seca is owned by the County of Monterey and operated by A&D Narigi Consulting, LLC.

The 2023 premier event schedule includes the AHRMA Classic MotoFest™ of Monterey July 14-16, the Monterey Pre-Reunion August 12-13, the Rolex Monterey Motorsports Reunion August 16-19, Corkscrew Hillclimb & Community Day August 20, the Firestone Grand Prix of Monterey September 8-10 and the Porsche Rennsport Reunion 7 September 28 – October 1.


American Historic Racing Motorcycle Association (AHRMA) is a not-for-profit organization dedicated to competing on fantastic classic and true vintage machines along with a wide range of modern motorcycles.  With over 3,000 members, AHRMA is the largest vintage racing group in North America and one of the biggest in the world. The association has grown steadily over the years, reflecting the increasing interest in classic bikes.

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