August 2021

August 2021

© 2021, Roadracing World Publishing, Inc.



On the Front Cover: Sam Fleming rode the 2021 Kawasaki ZX-10R over bumps, divots, cracks and grass at Auto Club Speedway in Fontana, California, and the bike was never fazed. Photo by Brian j. Nelson.

Roadracing World & Motorcycle Technology is THE definitive source for motorcycle racing, riding, and tech information.

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In This Issue:


Inside Info: KTM RC 8C 899cc Track Bike; Aprilia RS 660 Engine Recall; Harley-Davidson Sportster S, and more…

2022 Suzuki Hayabusa Engine Tech

Historic Racebike Illustrations: 1990 Ducati 888 Corsa

Quick Look: 2021 MT-07, Yamaha’s Friendly Best-Seller

Intro: 2021 Kawasaki ZX-10R, Riding The Green Flash

Racing Analysis: Riding Like A Girl Made Ana Carrasco A World Champion

Editor’s Scrapbook: Racing’s Kim Wyman Meets Washington Secretary of State Kim Wyman

Shops: Yoshi Kosaka’s Garage Company


MotoAmerica Superbikes At The Ridge: Gagne Beats The Heat

MotoAmerica Superbikes At Laguna Seca: Gagne Wins Again

MotoGP At Assen: Quartararo Pulls Away

World Superbike At Donington Park: Razgatlioglu Rises


Letters To The Editor: Remembering Help From A Racer, 51 Years Ago

10 Years Ago, August 2011: Valentino Rossi & Marco Simoncelli, Forrest Lucas, And Brian Van

New Products: Aprilia RS 660 Racing Parts

The Kids’ Page: Kylie Botkin

The Kids’ Page Revisited: Cody Kitchens

The Crash Page: Jayson Uribe In MotoAmerica Superbike At Laguna

Racing, School, & Track Day Calendar: Where To Ride

ASRA/CCS Newsletter

High-Performance Parts & Services

Chris Ulrich: Adventures Of An Ex-Racer: Shaking Out The Unexpected Season


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