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Honda Blames F1 Hiatus for 2026 Power-Unit Struggles at Suzuka

The company says harsh vibrations that worsen in the car are damaging battery components.

Overview

  • Honda’s racing chief Koji Watanabe said the company’s limited activity after leaving F1 in 2021 and the time needed to rebuild its program are central to its poor start under the 2026 rules.
  • The returned power unit is suffering severe vibrations that were acceptable on the test bench but escalate once installed in the chassis, leading to damage in the battery area and race-stopping failures.
  • Honda reported small energy-management changes for Suzuka to ease stress on the hybrid system, while a broader recovery plan remains in progress and not yet public.
  • Engineers from Aston Martin and Aramco are working onsite with Honda staff in Sakura, with Watanabe describing the partnership as unified and functioning well.
  • Responding to Adrian Newey’s suggestion that Aston Martin learned the true state only last November, Watanabe called that a misunderstanding, a stance that heightens scrutiny given Honda’s recent title-winning pedigree with Red Bull.