The Yasuni R-PRO is the evolution of the legendary Yasuni R exhaust.
It has been developed by top MotoGP engineers to achieve maximum performance while remaining within homologation limits.
Depending on the cylinder configuration and port timing, it is capable of delivering over 12 HP at more than 12,000 rpm.
This product is specifically designed to be compatible with tuned cylinders ranging from 50cc to 70cc, offering high adaptability and a broad performance range.
This exhaust is fully homologated.

– Power output: 12.9 HP
– Torque: 7.55 Nm
– Weight: 3.6 kg
– Operating range: 50cc – 70cc