Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 169Get this manual
NOTE: Apply anti-seize grease (obtain locally) or 2-4-C wTefon to fuel injector attaching screw threads 1998 Model
2Insert fuel injector into fuel rail with connector pins facing towards bottom of fuel railNOTE: Turn injector back-and-forth slightly to seat injector o-rings in fuel rail while securing injector with retainer and screwsTorque screws to 70 lbin(8.0 Nm)1997 Model