Honda Admits Limited Progress on Aston Martin Vibration Issues Before Japanese GP

Honda's power unit supplier for Aston Martin has acknowledged limited progress in addressing severe vibration issues ahead of the Japanese Grand Prix at Suzuka Circuit this weekend, as the team grapples with a troubled start to the 2026 Formula 1 season.

The partnership between Aston Martin and Honda, which began this year under new power unit regulations emphasizing hybrid technology, has been hampered by reliability problems centered on extreme vibrations within the engine. These have compromised battery systems and driver comfort, leading to both cars retiring from the opening rounds in Australia and China. Fernando Alonso and Lance Stroll have yet to complete a full grand prix distance, with the issues forcing early withdrawals and highlighting deficiencies in energy recovery, deployment, and overall performance compared to rival manufacturers.

In a statement ahead of Honda's home race, trackside general manager and chief engineer Shintaro Orihara outlined incremental improvements made during the two-week break following China. "In China, we made some progress in terms of battery reliability thanks to a reduction in the vibration affecting the systems, but we must find more...