Mercury 25 EFI Service Manual page 103

5. Remove the oil pressure switch from the cylinder block.
Oil Pressure Switch Installation
1. Apply Loctite 567 PST Pipe Sealant to the threads of the oil pressure switch.
2. Thread the oil pressure switch into the cylinder block. Tighten the oil pressure switch to the specified torque.
3. Install the engine harness oil pressure switch wire and secure with a screw. Tighten the screw to the specified torque.
4. Coat the oil pressure switch with dielectric grease to prevent corrosion.
Tube Ref No.
Loctite 567 PST Pipe
9
Sealant
Dielectric Grease
6
Description
Oil pressure switch
Screw securing the oil pressure sensor wire
90-8M0105568 eng MARCH 2016
Description
11590
11590
Where Used
Oil pressure switch threads
Oil pressure switch wire connection
© 2016 Mercury Marine
Part No.
92-809822
92-823506 1
Nm lb. in. lb. ft.
8 71
6 53
Page 2A-27
Ignition