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The amazing form of rookie rider Fabio Quartararo and newcomer team Petronas has stunned MotoGP - but its biggest significance is in showing Yamaha the value of a trick it's been missing.
Quartararo's explosive arrival onto the MotoGP scene has undoubtedly had a ripple effect on the championship, but also within Yamaha itself.
The sheer, raw pace that has made the Petronas youngster into the revelation of the season has shaken up the natural order of things at the Japanese factory, which finds itself in a not-altogether-comfortable situation as a result.
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