Espargaro finished Sunday’s 26-lap Assen race eighth after narrowly lacking out on seventh in a battle with Honda’s Marc Marquez.
The Aprilia rider confirmed sturdy tempo all through observe and was just below 5 seconds from the ultimate step of the rostrum, however “an enormous limitation” along with his bike’s engine meant he might do nothing when he went up in opposition to Ducatis through the race.
Espargaro says this left him with “frustration inside” as a result of he feels “able to combat for the rostrum” in MotoGP.
“I’m blissful about my tempo however I’ve a sense of, I don’t know, frustration inside,” Espargaro stated on Sunday.
“I really feel like a – I don’t know if it’s good to say – however I really feel like an fool as a result of I really feel like I’m sturdy and quick and able to combat for the rostrum as a result of I’m at all times there.
“However then within the race I can’t overtake. I’ve an enormous limitation with the engine, with the efficiency within the straights and I can’t overtake.
“Immediately I used to be a lot stronger than [Francesco] Bagnaia for instance, or [Jack] Miller however I used to be caught behind them.
“Particularly with the Ducatis it’s an enormous frustration.
“I put in my finest lap on the finish of the race the place it was the one lap I used to be alone.
Aleix Espargaro, Aprilia Racing Group Gresini
Photograph by: Dorna
“I did a 1m33.3s, which is a really quick lap time, very near my qualifying lap.
“However then I arrived to Bagnaia and I can’t overtake him. It’s simply irritating.
“I believe we did a very good job within the first a part of this season, we’re eighth within the championship with 61 factors, which we’ve got to get pleasure from this clearly as a result of we’re coming from rather a lot worse within the final years.
“However we’ve got to enhance on the engine aspect as a result of it’s what we’re lacking essentially the most.”
On Sunday at Assen Maverick Vinales – who will quit Yamaha at the end of the year – was linked with a shock transfer to Aprilia for 2022, although Espargaro refused to touch upon these studies.
Vinales and Espargaro beforehand shared a storage at Suzuki from 2015-2016.