Mariner 2.5-275 HP Outboard Engine Service Repair Manual (1990-1993) Online Manual

Table of Contents

• Safety first / Basic hand tools / Test equipment / Service hints / Special tips / Mechanic's techniques / Specifications
• Operating requirements / Starting system / Charging system / Ignition system / Breaker-point ignition troubleshooting (1990-1992 2.5 hp models) / Capacitor discharge ignition (CDI) / Direct voltage test / Resistance test / Speed limiter / Spark advance/idle stabilizer module troubleshooting / Fuel system / Engine / Specifications
• Lubrication / Proper fuel selection / Recommended fuel mixture / Autoblend oil injection / oil injection systems / Fuel mixing procedure / AutoBlend 2 injection system / Constant ratio oil injection / Variable ratio oil injection / Checking lower drive unit lubrication / Lower drive unit lubricant change / Propeller shaft lubrication / Saltwater corrosion of gear housing bearing carrier and nut / Storage / Anti-corrosion maintenance / Complete submersion / Flushing the cooling system / Tune-up / Compression test / Spark plugs / Lower unit and water pump check / Fuel system service / Fuel line and hoses inspection / Fuel filter service / inline fuel filter / Sight bowl filter / Water separating filter (EFI models) / Final fuel filter (EFI models) / Fuel pump (except EFI models) / Fuel pump pressure test / Ignition system service / Breaker point and condenser service / Battery and starter check / Starter solenoid check / Alternator and rectifier check / Ignition timing and synchronization / On-boat performance test / Specifications
• Ignition timing and synchronization / 2.5 hp models (prior to serial No. D90217) / 4 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 / 150, 175 and 200 EFI models / Specifications
• Fuel pump / Carburetor / Throttle plunger carburetor (2.5 and 3.3 hp models) / Integral fuel pump carburetor (4 and 5 hp models) / Integral fuel pump carburetor with primer system (8-25 hp models) / WMA carburetor (40 hp models) / MerCarb center bowl carburetor (50 and 60 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 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
• Battery / Battery charging system / Starting system / Magneto breaker point ignition / Capacitor discharge ignition (CDI) (1993 [serial No. D901217-on] 2.5 and 3.3 hp models) / Capacitor discharge ignition (CDI) (4-275 hp models) / Specifications
• Engine serial number / Gaskets and sealants / Fasteners and torque / Power head / Specifications
• Service precautions / Gear housing / Water pump / Bearing carrier and propeller shaft / Pinion gear, drive shaft and forward gear / Lower shift shaft, bushing and cam / Propeller / Trim tab adjustment / Specifications
• Manual 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
• AutoBlend II (50 and 60 hp prior to serial No. D000750) / Constant-ratio oil injection (40 hp and 50-60 hp models [serial No. D000750-on]) / Injection system service / Variable-ratio oil injection (75-115 hp models) / Warning horn system / Injection system service / Variable-ratio oil injection (V6 models) / Warning horn system / Injection system service / Specifications
• 2.5 and 3.3 hp models / 4 and 5 hp models / 8, 9.9, 15, 20 and 25 hp models / 40 hp models / Specifications
• WIRING DIAGRAMS,Models covered:,1990 1991 1992 1993 Mariner 2.5 HP,1990 1991 1992 1993 Mariner 3.3 HP,1990 1991 1992 1993 Mariner 4 HP,1990 1991 1992 1993 Mariner 5 HP,1990 1991 1992 1993 Mariner 8 HP,1990 1991 1992 1993 Mariner 9.9 HP,1990 1991 1992 1993 Mariner 15 HP,1990 1991 1992 1993 Mariner 20 HP,1990 1991 1992 1993 Mariner 25 HP,1990 1991 1992 1993 Mariner 40 HP,1990 1991 1992 1993 Mariner 50 HP,1990 1991 1992 1993 Mariner 60 HP,1990 1991 1992 1993 Mariner 75 HP,1990 1991 1992 1993 Mariner 90 HP,1990 1991 1992 1993 Mariner 100 HP,1990 1991 1992 1993 Mariner 115 HP,1990 1991 1992 1993 Mariner 135 HP,1990 1991 1992 1993 Mariner 150 HP,1990 1991 1992 1993 Mariner 150 Magnum II,1990 1991 1992 1993 Mariner 150 Magnum III,1990 1991 1992 1993 Mariner 150 Magnum EFI,1990 1991 1992 1993 Mariner 175 HP,1990 1991 1992 1993 Mariner 175 Magnum EFI,1990 1991 1992 1993 Mariner 200 HP,1990 1991 1992 1993 Mariner 200 Magnum EFI,1990 1991 1992 1993 Mariner 250 HP,1990 1991 1992 1993 Mariner 275 HP,Clymer Manuals Mariner 2.5 HP Manual,Clymer Manuals Mariner 3.3 HP Manual,Clymer Manuals Mariner 4 HP Manual,Clymer Manuals Mariner 5 HP Manual,Clymer Manuals Mariner 8 HP Manual,Clymer Manuals Mariner 9.9 HP Manual,Clymer Manuals Mariner 15 HP Manual,Clymer Manuals Mariner 20 HP Manual,Clymer Manuals Mariner 25 HP Manual,Clymer Manuals Mariner 40 HP Manual,Clymer Manuals Mariner 50 HP Manual,Clymer Manuals Mariner 60 HP Manual,Clymer Manuals Mariner 75 HP Manual,Clymer Manuals Mariner 90 HP Manual,Clymer Manuals Mariner 100 HP Manual,Clymer Manuals Mariner 115 HP Manual,Clymer Manuals Mariner 135 HP Manual,Clymer Manuals Mariner 150 HP Manual,Clymer Manuals Mariner 150 Magnum II Manual,Clymer Manuals Mariner 150 Magnum III Manual,Clymer Manuals Mariner 150 Magnum EFI Manual,Clymer Manuals Mariner 175 HP Manual,Clymer Manuals Mariner 175 Magnum EFI Manual,Clymer Manuals Mariner 200 HP Manual,Clymer Manuals Mariner 200 Magnum EFI Manual,Clymer Manuals Mariner 250 HP Manual,Clymer Manuals Mariner 275 HP Manual,Mariner 2.5 HP (1990-1993),Mariner 3.3 HP (1990-1993),Mariner 4 HP (1990-1993),Mariner 5 HP (1990-1993),Mariner 8 HP (1990-1993),Mariner 9.9 HP (1990-1993),Mariner 15 HP (1990-1993),Mariner 20 HP (1990-1993),Mariner 25 HP (1990-1993),Mariner 40 HP (1990-1993),Mariner 50 HP (1990-1993),Mariner 60 HP (1990-1993),Mariner 75 HP (1990-1993),Mariner 90 HP (1990-1993),Mariner 100 HP (1990-1993),Mariner 115 HP (1990-1993),Mariner 135 HP (1990-1993),Mariner 150 HP (1990-1993),Mariner 150 Magnum II (1990-1993),Mariner 150 Magnum III (1990-1993),Mariner 150 Magnum EFI (1990-1993),Mariner 175 HP (1990-1993),Mariner 175 Magnum EFI (1990-1993),Mariner 200 HP (1990-1993),Mariner 200 Magnum EFI (1990-1993),Mariner 250 HP (1990-1993),Mariner 275 HP (1990-1993)