Yasuni Exhaust R for Vertical Minarelli ’89-’01 “Prebug” Zuma. Manufactured by renowned Spanish manufacturer Yasuni.

In terms of performance, the Yasuni R lies between The Yasuni Z and the Yasuni C16. Ideally suited for 50cc and 70cc sports and racing cylinders. To exploit its full potential, we recommend combining it with a 17.5mm carburetor (minimum) and a sports variator.

The “R” Does come with restrictors installed that will need to be removed for maximum performance gains, if you want us to do it for you click here

Don’t forget to grab a Replacement Copper-steel Exhaust Gasket