The front-runners are on the soft rear tyre, but there are a scattering of medium rears.
Just as in FP1, Francesco Bagnaia pulls straight back into the pits during his first run and slumps into his seat at the back of the Ducati garage in frustration.
Relays show Bagnaia shaking his head on the way back in.
Some riders have fitted the hard front tyre right from the start of the session.
The green flags wave and Practice begins.
Speaking of Stoner, the man himself is present today and currently in the HRC pits.
Pedro Acosta breaks into a smile as TV replays show his big slide through the ultra-fast Stoner corner this morning.
Jack Miller's best lap time this morning was a 1'28.281, compared with the pole record of 1'27.246 by the absent Jorge Martin last year. So plenty of margin to improve this afternoon.
One thing we didn't see this morning was anyone on the hard front tyre, the dominant choice in both of last year's races (and unchanged for 2025).
Cool and dry conditions, but with the wind picking up.
Riders are due to discuss the risk of high winds on Sunday during their Safety Commission meeting this evening.
It's possible the riders might push for the grand prix to be moved to Saturday, swapping places with the Sprint, as in 2023.
A reminder of this morning's top ten, where Jack Miller was fastest after fitting new tyres for the final minutes.
Raul Fernandez in 11th was the only other rider to put new rubber front and rear for the final run.
The top ten after this afternoon's session will get direct access to Qualifying 2.
1. Jack MILLER
2. Alex MARQUEZ
3. Pedro ACOSTA
4. Fermin ALDEGUER
5. Fabio QUARTARARO
6. Marco BEZZECCHI
7. Francesco BAGNAIA
8. Johann ZARCO
9. Fabio DI GIANNANTONIO
10. Brad BINDER
Moto2 Practice ends at Phillip Island, with another accident for title leader Manuel Gonzalez.
Meanwhile, championship rival and 2026 MotoGP rider Diogo Moreira is top of the timesheets.
The hour-long MotoGP Practice session starts in 15 minutes.
"No further action" is the FIM MotoGP Stewards' verdict over the Miguel Oliveira-Alex Marquez contact.
The scary contact between Miguel Oliveira and Alex Marquez at the apex of Turn 1 is under investigation by the Stewards. They will want to know if Oliveira slowed or if Alex Marquez was just caught out by the speed difference. Marquez's hand gestures suggest the former.
Home hero Jack Miller fits new rubber on his Pramac Yamaha and goes fastest at the end of FP1.
Alex Marquez clips the back wheel of Miguel Oliveira's Yamaha at Turn 1.
Oil flags are now being waved into Turn 1, where Mir had the engine issue.
Joan Mir pulls off track with smoke pouring from the upper exhaust of his Honda.
The three fronts - soft, medium and hard - are the same as last year, as is the soft rear, but the medium rear has been changed using last year's data on the new surface.
A word of caution on this morning's times, we're yet to see the hard front used, which was picked by nearly all riders for last year's races.
Alex Marquez and Brad Binder are joining Bagnaia and Pol Espargaro in running the medium front tyre.
Some breaking news from Aprilia: Jorge Martin will also miss next weekend's Malaysian MotoGP due to the collarbone injury at Motegi.
Good news for Bagnaia and Ducati, he's up to 6th and only 0.373s behind Alex Marquez.
Zarco's strong run continues, he's now into 3rd. The LCR rider is hoping it's his turn to shine again after good recent races for HRC riders Joan Mir and Luca Marini.