Yamaha YZ250F 2024 Yoshimura RS-12 Full Exhaust System Brake Hydraulics Universal enabling a more accurate signal

enabling a more accurate signal of the actual road speed to be transmitted to the electronic regulator device

The cylinder is supplied with a 42 mm rubber intake port

Cylinder Kit - 70cc Malossi Big Bore - Cpi 50cc

Supplied with full fitting kit for easy installation

51mm stroke

Yamaha YZ250F 2024 Yoshimura RS-12 Full Exhaust System Brake Hydraulics Universal enabling a more accurate signalYamaha YZ250F 2024 Yoshimura RS 12 Full Exhaust System While 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. The adjustments to our spec proved what the 2024 YZ was telling our team was right. Our revised RS 12 Signature Series full system added 2. 5% max HP and 2. 8% max torque