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According to the rules, manufacturers must homologate a fairing before the start of the season, and they must do so before going out on track on Friday of the first grand prix of the year.
And for the rest of the season, they are entitled to one upgrade which, once homologated, they can exchange with the first one for the rest of the season.
Yamaha has asked FIM technical officials for the device used to measure the maximum size of the fairings in order to be homologated, as it is currently too wide under the current rules.
The width of that fairing, which includes the front wings, is determined by a metal device on which the bike must be placed, without …