Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 573Get this manual
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FUEL INJECTION DISASSEMBLY AND REASSSEMBLY
- Screw (2)Idle Air Control (IAC) ValveThrottle BodyO-Ring
2 Install IAC valve in throttle body using screwsTorque to 20 lb-in(2 Nm