Mercury 30 Service Manual

3C-0 - OIL INJECTION SYSTEM 90-826148R2 MARCH 1997
Table of Contents
Page
Specifications 3C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Injection Components 3C-2. . . . . . . . . . . . . . . . . . .
Oil Injection Components 3C-3. . . . . . . . . . . . . . . . . . .
Theory of Operation 3C-4. . . . . . . . . . . . . . . . . . . . . . .
Oil Injection System 3C-4. . . . . . . . . . . . . . . . . . . . .
Oil Injection Flow System(Variable Ratio
Oil Pump) S/N-0G589999 & Below 3C-5. .. . . . . .
Oil Injection Flow System (Variable Ratio
Oil Pump) S/N-0G590000 & Above 3C-6. . . . . . . .
Pump Drive Assembly (Variable Ratio
Oil Pump) 3C-7. .. . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustments 3C-7.. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Carburetor/Oil Pump Synchronization 3C-7. . . . .
Troubleshooting 3C-8. . . . . . . . . . . . . . . . . . . . . . . . . . .
Bleeding Air From Oil Injection
System 3C-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bleeding Air From Oil Pump Inlet Hose 3C-8.
Bleeding Air From Oil Pump Outlet Hose 3C-8

Mercury 30 Specifications

General

Horsepower	30 HP
Cylinders	3
Displacement	526 cc
Gear Shift	F-N-R
Fuel Induction System	Electronic Fuel Injection (EFI)
Shaft Length	20 in
Steering	Remote / Tiller