GYTR Race Cylinder Head Assemblies
2017 Yamaha YXZ1000R SS
Yamaha
Product Description
Yamaha Factory racing horsepower now available for our YXZ racers. The GYTR Race Cylinder Head Assembly comes fully assembled with REM-finished GYTR race camshafts and CNCported head for increased flow, providing ultimate performance and reliability. Requires stock cam gears (not included).
Head surface decked for improved compression ratio from 11.5-12.5
Stock valves, buckets, and springs are included for durability and easy maintenance
Requires the use of the Power Commander V by DynojetResearch, sold separately
Designed to be used with additional GYTR accessories for the ultimate engine performance
Requires use of minimum 112-octane racing fuel (if this head assembly is used without other engine modifications, 110-octane racing fuel can be used)