Download Complete Service Repair Manual for Mercury 90HP and 120HP Sport Jet.

This Factory Service Repair Manual offers all the service and repair information about Mercury 90HP and 120HP Sport Jet. The information on this manual covered everything you need to know when you want to repair or service Mercury 90HP and 120HP Sport Jet.

Models Covered:

Mercury 90 HP Sport Jet (1993-1995)
Mercury 120 HP Sport Jet (1993-1995)

Manual Contents:

QUICK REFERENCE DATA

CHAPTER ONE / GENERAL INFORMATION
Manual organization / Notes, cautions and warnings / Safety first / Service hints / Fasteners / Lubricants / Gasket sealant / Threadlocking compound / Serial numbers / Special tools / Mechanics tips / Bearing replacement / Oil Seals / Specifications

CHAPTER TWO / TROUBLESHOOTING
Operating requirements / Starting system / Choke circuit and solenoid test / key (ignition) switch test / Charging system / Ignition system / Fuel system / Power head

CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP
Lubrication / Fuel selection / Alcohol extended gasoline / Oil selection / Oil mixture / Jet drive lubrication / Storage / Anticorrosion maintenance / Engine flushing and auxiliary cooling water connection / Tune-up / Compression check test / Spark plugs / Starter solenoid check / Wiring harness check / Performance test / Specifications

CHAPTER FOUR / ENGINE SYNCHRONIZATION AND ADJUSTMENT
Engine timing and synchronization / Carburetor linkage adjustment / Ignition timing / Choke valve synchronization / Throttle and oil pump synchronization / Specifications

CHAPTER FIVE / FUEL SYSTEM
Fuel pump / Carburetors / Carburetor disassembly, reassembly and adjustment / Carburetor cleaning and inspection / Core plugs and lead shot / Reed valve assembly / Choke solenoid / Fuel recirculation system / Specifications

CHAPTER SIX / IGNITION AND ELECTRICAL SYSTEMS
Battery / Component wiring / Alternator charging system / Electric starting system / Starter motor system / Ignition system / Specifications

CHAPTER SEVEN / POWER HEAD
Serial numbers / Fasteners and torque specifications / Flywheel removal/installation / Power head disassembly / Piston and connecting rod assembly / Connecting rod and crankshaft / Specifications

CHAPTER EIGHT / DRIVE SYSTEM
Serial numbers / Impeller selection / Shift cable adjustment / Steering cable adjustment / Main drive housing / Shim selection / Jet drive pump / Specifications

CHAPTER NINE / OIL INJECTION SYSTEM
Oil injection / Specifications

INDEX

WIRING DIAGRAMS

This manual can be used by anyone from a first time owner/amateur to a professional technician.Even the most novice mechanic can also easily follow the step-by-step guides which are made simple by the illustrations and drawings.Keep this manual handy and use it often. Performing routine, preventive maintenance will save you time & money by helping to prevent premature failure and unnecessary repairs.

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File Format: PDF
Compatible: All Versions of Windows & Mac
Language: English