West Norfolk Kart racer Jenson Sayell got off to a successful start in his new class at Whilton Mill in Northamptonshire. The 10-year-old Marshland St James race ace finished second in his Minimax 950 in the first round of the Cadet Kart Championship. The first heat of qualifying started in heavy rain and Sayell struggled for grip on slick tyres, spinning in the first corner to bring a sudden end to his race. Heat two saw him up to second place on lap one and he finished third to earn an eighth-place grid slot for Sunday’s super heats. In the first, he span while trying to get heat into the ty…