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Acosta Leads Misano MotoGP Test as Yamaha’s New V4 Draws Mixed Early Reviews

Attention shifts to Sepang and Valencia wildcards plus the post‑season Valencia test to shape 2026 development.

Overview

  • Pedro Acosta set the day’s benchmark with a 1:30.374, with Álex Márquez second and Marco Bezzecchi third after a mixed day of long runs and time attacks.
  • Fabio Quartararo, Jack Miller and Alex Rins sampled Yamaha’s V4; Quartararo judged it worse than the current inline‑four, Miller called it promising, and team boss Massimo Meregalli said the rider feedback was consistent and yielded clear direction.
  • Yamaha clarified Augusto Fernandez’s San Marino GP fuel alarms were caused by an electronics dashboard fault rather than excessive consumption.
  • Manufacturers pursued targeted programs: Ducati compared swingarms and aero, Aprilia evaluated a revised chassis and electronics as Jorge Martin worked ergonomics, KTM tried a new exhaust, swingarm and aero, and Honda tested aero updates and a new chassis for Luca Marini.
  • Joan Mir and Ai Ogura skipped the test to focus on recovery, while teams banked data for upcoming wildcards at Sepang and Valencia and the crucial post‑season Valencia evaluation.