Mercury Optimax 75, 90, 115, DFI starting year 2004 service manual., Page 263Get this manual
Quality of the image is intentionally reduced!
OIL INJECTION
cPlastic cap
4 Attach molded 90 hose to on-board oil tank elbowSecure with cable tie5 Install 516 inbarbed end of tee fitting into hose endSecure with cable tie