Jonathan Rea underlined his superiority on the second day of the final 2015 World Superbike test by dipping beneath this year's pole winning time at Jerez.
Continuing to get better acquainted with the new ZX-10R, Rea stopped the clock at 1min 40.139secs, proving a tenth quicker than Tom Sykes' pole-winning lap time from the Jerez WSBK event in September despite chilly conditions.
Furthermore, it would see the Ulsterman – who took 14 wins on the way to a dominant 2015 World Superbike title – prove a full four tenths faster than team-mate Sykes on the end-of-day timesheets as Kawasaki's latest machine continues to make impressive progress.
Behind Sykes, Althea Racing is quickly getting to grips with its new BMW machinery, with Markus Reiterberger proving just five hundredths adrift of Sykes, while team-mate Jordi Torres was half-a-second further back as he continues to adapt from Aprilia machinery.
After making his debut on the MV Agusta on Monday, Marco Melandri continued work on the F4RR but reported difficulties shifting the bike with its sizeable fuel tank. Leon Camier, who will lead MV Agusta's effort in 2016, will test a new fuel tank this week.
Meanwhile, Pedercini Kawasaki was also on track with Christophe Ponsson being joined by fellow Frenchman Jeremy Guarnoni aboard the ZX-10R.
With the winter testing ban looming, the final days of the Jerez test will see Honda, Yamaha and Ducati join Kawasaki and Althea BMW on track, marking the first time all five manufacturers have been represented at once.