
3A-24
90-13645--2
495
FUEL SYSTEM AND CARBURETION
Enrichener System
Description for Three Cylinder
Engines
Fuel flows from top carburetor float bowl to fuel en-
richment valve. Valve is electrically opened when key
is turned to the “ON” position and pushed in (and held
in). Fuel is supplied to engine through fittings located
in the top, middle, and bottom carburetors. Valve re-
turns to the closed position when key (or choke but-
ton) is released. Valve can be operated manually by
PRESSING and HOLDING button located at bottom
of valve.
Enrichener Valve Hose Installation -
Three Cylinder Engines
Enricher Valve
Manual Operation
Button
Electrical
Harness
Connect to fitting on
SIDE of TOP carburetor
Description for Four Cylinder Engines
Enrichener valve receives fuel from a T-fitting be-
tween #1 and #2 carburetors. Valve is electrically
opened when ignition key is turned to the “ON” posi-
tion and pushed in (and held in). Fuel is dispensed to
T-fittings on intake manifold of cylinders #2 and #4. In-
ternal passages route fuel from cylinders #2 and #4
to cylinders #1 and #3. Valve returns to the closed
position when key (or choke button) is released. Valve
can be operated manually by PRESSING and HOLD-
ING button located on top of valve.
Enrichener Valve Hose Installation -
Four Cylinder Engines
23121
Enrichener Valve
Manual Operation
Button
Electrical
Harness
Connect to T-fitting
between #1 and #2
carburetors
Summary of Contents for 100
Page 4: ...GENERAL INFORMATION AND SPECIFICATIONS 1 ...
Page 18: ...IGNITION SYSTEM ELECTRICAL AND IGNITION A 2 ...
Page 30: ...11669 BATTERY CHARGING SYSTEM AND STARTING SYSTEM ELECTRICAL AND IGNITION B 2 ...
Page 58: ...22480 TIMING SYNCHRONIZING ADJUSTING ELECTRICAL AND IGNITION C 2 ...
Page 71: ...WIRING DIAGRAMS ELECTRICAL AND IGNITION D 2 ...
Page 86: ...FUEL SYSTEM AND CARBURETION A 3 ...
Page 118: ...OIL INJECTION SYSTEM B 3 ...
Page 127: ...20032 3 CYLINDER ENGINES POWERHEAD A 4 ...
Page 168: ...791 H GEAR HOUSING LOWER UNIT A 5 ...
Page 170: ...5A 1 90 13645 2 1095 LOWER UNIT Notes ...
Page 205: ...MID SECTION LOWER UNIT B 5 ...
Page 207: ...5B 1 90 13645 2 495 LOWER UNIT Notes ...
Page 218: ...SHOCK ABSORBER LOWER UNIT C 5 ...
Page 223: ...17250 DESIGN I SIDE FILL RESERVOIR POWER TRIM A 6 ...
Page 233: ...6A 9 POWER TRIM 90 13645 2 495 Commander Side Mount Remote Control Wiring Diagram ...
Page 268: ...DESIGN II AFT FILL RESERVOIR POWER TRIM B 6 51344 ...
Page 305: ...SINGLE RAM POWER TRIM C 6 51485 ...
Page 309: ...6C 3 90 13645 2 495 POWER TRIM Notes ...
Page 340: ...50099 ENGINE ATTACHMENTS ENGINE INSTALLATION 7 A ...
Page 369: ...TILLER HANDLE AND CO PILOT OUTBOARD MOTOR INSTALLATION ATTACHMENTS 7 B ...
Page 371: ...7B 1 90 13645 2 495 OUTBOARD MOTOR INSTALLATION ATTACHMENTS Notes ...