Marshland St James’ Jenson Sayell was back on form at Kimbolton kart circuit for Round 4 of the HKRC Championship at the weekend. Not finishing lower than third all day, the 10-year-old saw off strong competition to take his Minimax 950 kart to a podium in the final and was the second-highest points scorer. Saturday practice was dry and after a complete engine rebuild the aim was to run in the engine and achieve optimum kart set-up. They achieved both with the help of sponsor InfinityX Motorsport’s expertise throughout the weekend. The improvement in Sayell’s pace was obvious in timed practice…