There is no separate 2026 book. Yamaha's LIT-11616-38-44 serves both the 2025 and 2026 YZF-R1, and the 70th Anniversary Edition is documented in it as well, which is why the same part number keeps coming up across those listings.
Identify your machine by code: the 2026 standard R1 is YZFR1T1L. With that confirmed, the specifications, adjustment procedures and torque tables inside apply to the bike in front of you.
The organisation follows factory convention. Maintenance intervals and general information open the book, then engine work, cooling and lubrication, fuel system, chassis, brakes, and a substantial electrical section covering sensor diagnosis and wiring. Service limits are stated as measurements to check against, not as ranges to feel your way through — the reason a shop keeps the factory manual on the bench instead of a general repair guide.
