Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 262Get this manual
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LUBRICATION
Trochoid
30-40 psi (207-278 kPa)
Either atsor Liters
0.00350.006 in(0.090.15 mm) 0.005 in(0.12 mm) 0.0010.003 in(0.030.08 mm)
90-8