Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 47Get this manual
Quality of the image is intentionally reduced!
INSP ADJ
Inspect: Gear oil level Level is low Add gear oil to the proper level
CHANGING AND INSPECTING THE GEAR OIL
1 Inspect: Gear oil Milky oil Replace the oil sealSlag oil