Yoshimura RS-12 Exhaust System Kawasaki KX250 2025

Yoshimura RS-12 Exhaust System Kawasaki KX250

The newest version of the Kawasaki KX250F is here, and Yoshimura has an RS-12 Signature Series full system exhaust to help boost the new green machine right up onto the podium! The latest KX250F boasts a new chassis and engine package. That meant it was time to go to work to see what can be done to add performance to the new KX. During development the new 250 was very responsive to our RS-12. We were able to add up to 3.3% more HP at 11,000 rpm and up to 3.4% more torque at 10,600 rpm. This gives the 2025 KX250F added power on top and more connectivity on the bottom and mid point of the power spectrum.

Features:

• Our new Carbon Faced Machined Joint eliminates the need for anti-seize by impregnating the surface of the stainless steel joint with carbon atoms, reducing friction and wear over the joint's lifespan
• Our header resonator isn't just there for looks, it allows us to maximize power across the spectrum, while enhancing rider connectivity
• Our new RS-12 for the 2025 KX250F comes with an INS-31-K sound insert installed for an ear-pleasing exhaust note and optimal power, with an SA-21-K spark arrestor available separately for those venturing into the woods
• Proudly developed and made in the USA