The low-grip nature of the Barcelona circuit coupled with high winds on Friday led to a number of complaints from riders about the conditions, with several caught out in crashes during FP1 and FP2.
Espargaro was seventh on the combined times after Friday’s running, 0.685 seconds off the pace, while teammate Brad Binder was four tenths clear in third.
The KTM worked well in the low-grip conditions at Brno in August, with Binder winning the Czech GP and Espargaro on course for a podium before crashing out.
But Espargaro says he was unable to understand the limit of grip on his KTM on Friday and felt he was “just cruising” because of the conditions.
“Strange and very weird, especially the morning,” he said when asked about his day.
“I mean, we were riding all the morning and FP1 was useless. We did a lot of laps, but for exactly nothing because I didn’t learn anything. I was with amazingly low grip, spinning a lot, like rain conditions in the dry.
“The grip is low, but if you add some cold wind on there, then it’s even worse – especially on the front.
“I had the feeling that I didn’t recognise with two sessions, with quite a lot of laps, where the front limit is, especially on the left-hand side.
“I don’t feel how much I can push, how late I can brake, how much pad pressure I can do.
“For sure, in…