Honda outlines ‘spec 2’ power unit changes before Zandvoort
Honda has discussed changes to its ‘spec 2’ power unit ahead of its planned introduction at the Dutch Grand Prix in Zandvoort. Reports describe the update as involving previously undisclosed details about the new engine specification.

Honda has explained changes to its ‘spec 2’ power unit ahead of the Dutch Grand Prix at Zandvoort. Multiple Formula 1 outlets reported on the update in the build-up to the event.
PlanetF1 said a Honda engine “secret” had emerged before the B-spec debut at the Dutch Grand Prix, while RaceFans reported that Honda detailed the Zandvoort ‘spec 2’ power unit changes in a video brief.
Taken together, the reports indicate Honda has provided some explanation of the revised engine package planned for Zandvoort, with the update referred to as a new specification for the power unit.