9,876 likes. Although no one has beaten his twin-engined streamliner in the better part of a decade, builder Mike Akatiff is not the type to rest on his laurels.

Ack Attack’s bullet-shaped chassis is made from chromoly tubing. The Top 1 Ack Attack is a uniquely constructed land-speed record streamliner motorcycle, which holds the record for world’s fastest motorcycle with a two-way average speed of 605.697 km/h (376.363 mph). World's Fastest Motorcycle 376.363 mph / 605.697 kmph http://www.top1ackattack.com/ TOP 1 Ack Attack.

San Mateo, CA (June 8, 2017) – TOP 1 ACK ATTACK became the world’s fastest motorcycle when it set the Land Speed Record of 376.363 mph/605.697 km/h back in 2010. Chief Engineer Mike Akatiff and the world’s fastest motorcyclist Rocky Robinson took the Top 1 Ack Attack to the rarified air of Salar De Uyuni salt flats high in the Bolivian Andes with the express goal of exceeding 400 mph and breaking the team’s own LSR mark of 376.363 mph set in 2010.