Valentino Rossi admits he is “not optimistic” for the opening rounds of the 2018 MotoGP season if Yamaha cannot quickly solve its "worrying" electronics issues. The Italian, who turned 39 on Friday, struggled for much of last season with a lack of feeling from the M1's chassis and poor traction – an issue which returned on the first day of the second pre-season test in Thailand. Rossi admits Yamaha has been on the back foot ever since the championship switched to Magneti Marelli's control electronics software for the '16 campaign, and says Honda and Ducati “understand” the system better than the Iwata-based marque. “When we move to the Magneti Marelli [control...
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