Vinales and Rossi sample upgraded powerplants in Valencia.
Italian contender fifth fastest following day two of testing.
Valencia test marks significant step in MotoGP for KTM.
Pramac Racing ace a fraction off leader's pace on day two in Spain.
Australian Miller fourth aboard 2019-spec Ducati Desmosedici.
Morbidelli an impressive sixth on day one aboard the Yamaha.
Spaniard 18th fastest on opening day of MotoGP testing at Valencia.
Pramac Racing's Bagnaia fastest of the premier class newcomers.
Riders hit the track in preparation for the 2019 season.
Riders that meet certain criteria can enter the category at 15 years of age.
Both categories to align with MotoGP qualifying schedule.
Repsol Honda rider concludes career with treacherous conditions in Spain.
Australian contender to join youthful talent Mackenzie next season.
Youthful talent winds up 19th in the standings following Valencia's finale.
Career-first podium for the Spaniard amid historical weekend for KTM.
Australia's Gardner earns career-best Moto2 result in Spain.
Marquez fifth despite shoulder dislocation as Miller takes P10 on the grid.
Difficult conditions greet riders as final round of MotoGP season commences.
Spanish ace inducted into the Hall of Fame at Valencia.
Spaniard prepared for Repsol Honda debut at post-season test.
British champion acquaints himself with WorldSBK-spec Ninja ZX-10RR.
18-year career comes to an end this weekend in Spain's MotoGP finale.
British ace completes first day of testing at Aragon.
Prestigious world champion to remain on free-to-air television in Australia.
Dual MotoGP world champion departs test rider and ambassador role.
Dates and locations revealed for 2019 world championship.
Australian challenger to be joined by De Angelis in 2019.
New-look Australian Supermoto Championship to also join the series.
Superveloce 800 concept bike unveiled at the Milan event.
Former WorldSSP outfit steps up with factory-supported machinery next year.