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Motegi Tyre U-Turn Exposes Teams' Testing Failures

A late warm-up switch to Michelin’s back-up hard rear delivered superior race pace, prompting immediate technical reviews of tyre construction and team procedures.

Overview

  • After Saturday’s Sprint produced chunking and blistering on the soft rear, Michelin withdrew that tyre and extended Sunday’s warm-up so riders could try an unused hard-construction rear.
  • Riders discovered the hard option worked far better than expected and the whole grid raced on a medium front and the hard rear, producing faster lap times and durable late-race pace.
  • Teams and riders admitted they had dismissed the hard tyre during Friday and Saturday practice because of prior bad experience and limited session time, and many said they regretted not testing it earlier.
  • Michelin’s MotoGP technical boss Piero Taramasso confirmed engineers asked riders to try the hard tyre and said the teams 'got it wrong,' while Luca Marini called for a formal investigation after speaking with Michelin staff.
  • The weekend also highlighted other operational issues, including Fabio Quartararo’s fuel‑consumption limits from lap seven that restrained his pace, and teams say they will change how they test reserve tyre options in future race weekends.