Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 208Get this manual
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OIL INJECTION
cFasten Hose Ends with Sta-StrapsCheck ValvesCheck Valve (oil return) Oil Hose Sizes Hose Inside Diameter .01 (0.25mm) Length 0.20 (5.1 mm)
Cyl#1 Cyl#3 Cyl#5 Cyl#2 Cyl