T.M. DESIGNWORKS Case Saver - Blue - Yamaha YCS-YZR-BU

Case Saver - Blue - Yamaha Composite machined case protection, Accepts one size larger sprocket than stock (unless noted), Designed to help protect the engine case from chain derailment, Suitable for all types of riding, Open face reduces mud and dirt build up, Custom contours match the case shape for maximum support, Industry-leading plastic formula *RMS* (Return Memory System), Lightweight, absorbs impacts, Same durable material as our rear chain guides, Includes hardware, Used by championship winning race teams worldwide, Made in the USA, US Patents: D621,851., No Case Protector will save a case if the chain breaks under high throttle load and recommend using highest quality sprockets and X-ring chains.