Roberts remained on his father's team at the start of 2007. However, 2007 again marked a new era as 990cc bike were replaced with an 800cc displacement formula. He rode the KR212V bike which are using the RC212V's V4 engine supplied by Honda. The 2007 season was less successful, due to Honda concentrating on improving the underperforming Repsol Honda factory machine. After only 4 points in the first part of the season, Kenny Jr. stopped racing midseason, replaced by his brother Kurtis, and never returned in 2007. Both Kenny and the entire team did not participate in 2008 season.