Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 244Get this manual
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DIRECT FUEL INJECTION
aNuts [Torque to 33 lb.ft(44 Nm)]Fuel Injector Harness Connectors (6) (3 each fuel rail)
Page 3B-54
90-859494R1 JUNE 2000