Manual Mercury 3-275 HP Outboards, 1990-1993 Clymer Workshop

Description

Manual Mercury 3-275 HP Outboards, 1990-1993 Clymer Workshop. With step-by-step procedures combined with detailed photography and extensive use of exploded parts views. Ignition timing and synchronization / 3 hp models / 3 and 5 hp models / 8, 9.9 and 15 hp models / 20 and 25 hp models / 40 hp models / 50 and 60 hp models (prior to serial No. ). Product Details640 PagesPaperbackBlack and WhitePart of the Clymer Marine Series MERCURY 3-275 HP OB 90-1993 Mercury 3-275 HP Outboard Service and Repair Manual, (1990-1993) B722This Clymer manual covers more than 25 Mercury outboard motors ranging from 3 HP to -275 HP. Clymer Marine and PWC manuals are the #1 source for DIY maintenance, troubleshooting and repair. With step-by-step procedures combined with detailed photography and extensive use of exploded parts views. QUICK REFERENCE DATA CHAPTER ONE / GENERAL INFORMATIONManual organization / Notes, cautions and warnings / Torque specifications / Engine operation / Fasteners / Lubricants / Gasket sealant / Galvanic corrosion / Protection from Galvanic corrosion / Propeller / SpecificationsCHAPTER TWO / TOOLS AND TECHNIQUESSafety first / Basic hand tools / Test equipment / Service hints / Special tips / Mechanic's techniques / Specifications CHAPTER THREE / TROUBLESHOOTINGOperating requirements / Starting system / Charging system / Ignition system / Breaker-point ignition troubleshooting (1990-1992 3 hp models) / Capacitor discharge ignition (CDI) / Direct voltage tests / Resistance test / Speed limiter / Spark advance/idle stabilizer module troubleshooting / Fuel system / Engine / Specifications CHAPTER FOUR / LUBRICATION, MAINTENANCE AND TUNE-UPLubrication / Proper fuel selection / Recommended fuel mixture / Fuel mixing procedure / AutoBlend II injection system / Constant ratio oil injection / Variable ratio injection system / Lower drive unit lubricant change / Propeller shaft lube / Saltwater corrosion of gear housing bearing carrier and nut / Storage / Anti-corrosion maintenance / Complete submersion / Flushing the cooling system / Tune-up / Compression test / Spark plug plugs / Lower unit and water pump check / Fuel system service / Fuel line and hoses service / Fuel filter service / Fuel pump (all models except fuel-injected models) / Fuel pressure test / Battery and starter check / Starter solenoid check / Alternator and rectifier check / Ignition timing, synchronization and adjustment / On-boat performance test / Specifications CHAPTER FIVE / TIMING, SYNCHRONIZING AND ADJUSTINGIgnition timing and synchronization / 3 hp models / 3 and 5 hp models / 8, 9.9 and 15 hp models / 20 and 25 hp models / 40 hp models / 50 and 60 hp models (prior to serial No. D000750) / 50 and 60 hp models (serial No. D000750-on) / 75 and 90 hp models / 100 and 115 hp models / 135-200 hp (except EFI) models / 250 and 275 hp models / 150Xri, 175Xri and 200Xri (EFI) models / Specifications CHAPTER SIX / FUEL SYSTEMFuel pump / Carburetors / Throttle plunger carburetor (3 and 3.3 hp models) / Integral fuel pump carburetor (4 and 5 hp models) / Integral fuel pump carburetor (8-25 hp models) / WMA carburetor (40 hp models) / MerCarb center bowl carburetor (50 and 50 hp models prior to serial No. D000750) / WME carburetor (50 and 60 hp serial No. D000750-on, 75, 90, 100 and 115 hp models) / WMH carburetor (135-200 hp models) / MerCarb center bowl carburetor (250 and 275 hp models) / Thermal air valve (135-200 hp models) / Enrichment valve and choke solenoid systems / Anti-siphon devices / Fuel filter / Fuel tank / Fuel hose and primer bulb / Electronic fuel injection (EFI) / Fuel management tests / Specifications CHAPTER SEVEN / IGNITION AND ELECTRICAL SYSTEMSBattery / Battery charging system / Starting system / Magneto breaker point ignition / Capacitor discharge ignition (CDI) (1993 3.3 hp models) / Capacitor discharge ignition (CDI) (4-275 hp models) / Specifications CHAPTER EIGHT / POWER HEADEngine serial number / Gaskets and sealants / Fasteners and torque / Power head / Specifications CHAPTER NINE / LOWER UNIT GEAR HOUSINGService precautions / Gear housing / Water pump / Bearing carrier and propeller shaft / Pinion gear, drive shaft and forward gear / Lower shift shaft, bushing and cam / Pinion depth/gear backlash / Propeller / Trim tab adjustment / Specifications CHAPTER TEN / POWER TRIM AND TILT SYSTEMManual tilt assist system / One-ram integral power trim system (40-60 hp models) / Three-ram integral power trim system (75-200 hp models) / One-ram oildyne power trim system (250-275 hp models) / Power trim assembly removal/installation / Power trim motor and pump assembly removal/installation / Specifications CHAPTER ELEVEN / OIL INJECTION SYSTEMAutoblend II (50 and 60 hp prior to serial No. D000750) / Constant ratio oil injection (40 hp and 50-60 [serial No. D000750-on] hp models) / Injection system service / Variable-ratio oil injection (75-115 hp models) / Warning horn system / Injection system service / Variable-ratio oil injection (V6 models) / Warning hose system / Injection system service / Specifications CHAPTER TWELVE / MANUAL REWIND STARTERS3 and 3.3 hp models / 4 and 5 hp models / 8, 9.9, 15, 20 and 25 hp models / 40 hp models / Specifications INDEXWIRING DIAGRAMS Clymer Marine and PWC manuals are the #1 source for DIY maintenance, troubleshooting and repair. With step-by-step procedures combined with detailed photography and extensive use of exploded parts views, Clymer manuals are a must-have tool for the do-it-yourselfer. Table of Contents Models covered: 1990 1991 1992 1993 Mercury 3 HP1990 1991 1992 1993 Mercury 3.3 HP1990 1991 1992 1993 Mercury 4 HP1990 1991 1992 1993 Mercury 5 HP1990 1991 1992 1993 Mercury 8 HP1990 1991 1992 1993 Mercury 9.9 HP1990 1991 1992 1993 Mercury 15 HP1990 1991 1992 1993 Mercury 20 HP1990 1991 1992 1993 Mercury 25 HP1990 1991 1992 1993 Mercury 40 HP1990 1991 1992 1993 Mercury 50 HP1990 1991 1992 1993 Mercury 60 HP1990 1991 1992 1993 Mercury 75 HP1990 1991 1992 1993 Mercury 90 HP1990 1991 1992 1993 Mercury 100 HP1990 1991 1992 1993 Mercury 115 HP1990 1991 1992 1993 Mercury 135 HP1990 1991 1992 1993 Mercury 150 HP1990 1991 1992 1993 Mercury 150XR41990 1991 1992 1993 Mercury 150XR61990 1991 1992 1993 Mercury 150XRi1990 1991 1992 1993 Mercury 175 HP1990 1991 1992 1993 Mercury 175XRi1990 1991 1992 1993 Mercury 200 HP1990 1991 1992 1993 Mercury 200XRi1990 1991 1992 1993 Mercury 250 HP1990 1991 1992 1993 Mercury 275 HP