Yasuni R for Minarelli Vertical engines.
1989-2001 Yamaha Zuma
The big brother of the Yasuni Z: thanks to a larger expansion chamber and wider downpipe diameter, the Yasuni R is the ideal complement for 70cc sport and racing cylinders. Yasuni has found a clever way to attach the rear silencer (with seal rings and spring). Select the color options from the drop down menu.