Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 42Get this manual
INSP ADJ
COOLING SYSTEMOIL INJECTION SYSTEM COOLING SYSTEM
INSPECTING THE COOLING WATER DISCHARGE 3
Inspect: Cooling water discharge No discharge Clean and inspect the cooling water passage3140
Inspecting steps (1) Place the lower unit in water(2) Start the engine(3) Check that water flows from the cooling water outlet
OIL INJECTION SYSTEM