Yamaha 115-225 HP Outboards Service Manual, Page 252Get this manual
I P100050
lOlL INJECTION SYSTEM
OIL INJECTION SYSTEM
(A) Oil level warning lamp red light up
Is key-switch off at once time?
Switch off
Is sufficient oil in the tank?
Add oil(P3-37)
Is the hose connection normally?
Connect(P3-12, 3-14, 3-16)
Are the lead wires connected correctly?