For it's 20th years anniversary, Y'S gear launched a XSR900 RZ style in Japan

"YAMAHA NEWS RELEASE
Yamaha Motorcycle Sales Japan April 24, 2017
Inheriting the traditional RZ taste "XSR900 Heritage Exterior Set RZ Black"
About limited-time sales Yamaha Motor Sales Co., Ltd. has decided to release the “XSR900 Heritage Exterior Set RZ Black” as exterior parts for dressing up the “XSR900”. Reservations will be accepted for a limited time until June 30, 2017, and will be delivered sequentially from July. Reservations and sales are made at Yamaha motorcycle dealers."

"For 2020, the XSR900 will be available in the new '80 Black' colorway with a black, red and gold color combination. This design is inspired by the signature Yamaha look of the 1980s and pays homage to the iconic special edition RZ250 , the first generation of the legendary liquid-cooled 2-stroke engine models."

The T shirt whith the RZ250 4L3 was available in France.

"Historically inspired colors.
For the 2022 colorways, Yamaha turned to one of the most iconic motorcycles in its storied history. The famous two-stroke engine RD350LC from the early 80s was a source of inspiration: the modern interpretation of the colors resulted in a white/blue version with particularly sharp shades and a black/gold version turned towards the elegance."