YOSHIMURA RS-4 Signature Series Demper Large center main compartment to

Large center main compartment to store bigger items

Bottom Fork Protector and Disc Protector

1 Mounting screw and elastic bands

Cylinder Kit TypeStandard Bore High Compression

Developed and designed in collaboration with DZE

YOSHIMURA RS-4 Signature Series Demper Large center main compartment toWhile other exhaust brands just carried over their Yamaha YZ250F offerings to include 2024 model, on the dyno and track, the new YZ told us there was more on the table. So our R&D team went to work to optimize the new Yamaha. Revised for the 2024 is our RS 4 slip on for the new YZ250F. Adding 1% max HP and 1. 2% max torque, the RS 4 slip on is a great option for adding some power. RS 4 also has the ability to add a spark arrestor for off road