Former racer and track day instructor Stu Smith rides and reviews the Kawasaki ZX-4RR and discusses where a 400cc-class inline-Four fits into club racing categories.
© 2025, Roadracing World Publishing, Inc. From a press release issued By Stu Smith
Former racer and track day instructor Stu Smith rides and reviews the Kawasaki ZX-4RR and discusses where a 400cc-class inline-Four fits into club racing categories.