Fresh from the unveiling of the 2019 YZ250F back in July, Yamaha Motor Europe and Kemea Yamaha Official MX2 are pleased to announce that Jago Geerts will debut the all-new bike at the Belgian Masters tomorrow in Balen, Belgium, while Ben Watson will make his debut on the cutting-edge machine at the MXGP of Switzerland in Frauenfeld-Gachnang on the weekend of August 19th.