Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 11Get this manual
SPECIFICATIONS
LUBRICATION SYSTEM
Pump Type Engine Oil Pressure (Warm Engine): 1300 rpm 5000 rpm Engine Oil Pan Capacity Oil Pump Clearance: Inner Rotor to Outer Rotor "A" Outer Rotor to Body "B" Rotor to Body (Side) "C" Height of Outer Rotor "D" Relief Valve Operating Pressure
Trochoid 4.0 psi (0.03 MPa) Minimum 21.0 psi (0.15 MPa) Minimum 0.95 pt (450 ml) 0.006 in(0.15 mm) or Less 0.0050.008 in(0.120.20 mm) 0.00080.0028 in(0.020.07 mm) 0.236 in(5.99 mm) 3140 psi (2.22.8 kgcm2) 216275 kPa
MID-SECTION