Harley-Davidson’s recall covering 2024 through 2026 model year motorcycles touches a brake system component across multiple platforms, and the scale of the action reflects how concentrated the company’s lineup has become around a relatively small number of shared platforms. When a defect appears in a common component, the recall footprint expands accordingly. The substance of the defect — brake fluid contamination risks or hydraulic line integrity, depending on the specific model variant — is serious in a category where brake failure outcomes are categorically worse than in enclosed vehicles.