1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 61Get this manual
INDEX Page Fuel Systemroubleshooting 3-1 General Informati on 3-' Trouble Chart3-' Fuel Pump 3-3 Description Operation 3-3 Checking for Restricted Fuel Flow 3-3 Testing 3-4 Troubleshooting Fuel Pump 3-4 Removal Disassembly3-5 Cleaning Inspection 3-6 Reassembly Installation 3-6 Carburetor Adjustments 3-9 Fl oat Adjustment 3-9 Ma in (High Speed) Jet 3-9 Vent Jet 3-10 Idle Jet 3-10 Carburetor Jet Charts 3-11 Carburetor Removal Installation 3-12 Carburetor Assembly 3-14 Carburetor Disassembly 3-15 Carburetor Cleaning and Inspection 3-16 Carbu retor Reassembly 3-17 Enri chener System 3-20 Desc ription 3-20 Enrichener Valve Test 3-20 Enrichener Hose Installation 3-2 Fuel Tank 3-22 Fuel Line and Primer Bulb Assembly 3-22 Maintenance,3-22 Fuel Line Clamp Rem oval and Installation 3-22