Look on the hull plate of a 2023 222SD and you will find HXT1800C-YAG. The service literature that matches it is LIT-18616-04-29, a book Yamaha wrote to cover the 222S, 222SE, 222XD, 222XE, AR220 and SX220 as well, for the 2023 to 2026 model years.
Seven models in one volume works because the platform is shared. Engine and pump procedures, torque and clearance figures and wiring layouts are common, and where a model varies the difference is stated in place rather than left for you to infer.
Sections run from scheduled maintenance through to full disassembly: engine internals, jet pump and intake, fuel and cooling, steering and reverse controls, bilge plumbing, helm wiring and deck hardware, plus troubleshooting organised by symptom.
Verify HXT1800C-YAG before ordering, since neighbouring trims share much of the numbering.
