American JD Beach says he had a successful two-day test onhis Attack Performance/Estenson Racing Yamaha YZF-R1 Superbike this week ahead ofhim participating in both the FIM Superbike World Championship and theMotoAmerica Superbike races this co...

Click here for full story... (https://www.roadracingworld.com/news/?id=8c6dc817-4a77-4bfb-a3eb-da2816aad031)