Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 162Get this manual
DIRECT FUEL INJECTION
Fuel Rails
REFNOQTY1 10 10 11 12 13 14 15 16 17 18 19 20 21 22 TORQUE DESCRIPTION SCHRADER VALVE KIT (air and fuel) FITTING (air inlet) FITTING (fuel inlet) CLAMP (fitting retainer) SCREW M5X8 RAIL (starboard) wout injectors SCREW M5X16 COVER (tracker valve) SPRING (tracker valve) DIAPHRAGM (tracker valve) O-RING (tracker cover) FITTING (airfuel) starboard FITTING (airfuel) port RETAINER (injector) DESIGN II RETAINER (injector) DESIGN INJECTOR (fuel) O-RING KIT (large) per kit O-RING KIT (small) per kit FITTING RAIL (port) wout injectors O-RING (2 per kit) O-RING fittingschrader (16 per kit) lb-in lb-ft Nm