
After a difficult title defence year in 2022 that saw him lose his crown to Ducati's Francesco Bagnaia, Quartararo was clear in his comments to Yamaha for the winter that it had to make big gains with the top speed of its M1.
A new engine tested at Sepang on Friday left Quartararo and Yamaha second on the top speed charts at 334.3km/h compared to Ducati's 336.4km/h.