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 / Specifications
CHAPTER NINE / OIL INJECTION SYSTEM
Oil injection / Specifications
INDEX
WIRING DIAGRAMS
Models Covered 1993-1995 Mercury 120 HP Sport Jet
1993-1995 Mercury 90 HP Sport Jet
Part Number Variations W815
W-515
156-W815
6206590
