Fuel System Components
Cool Fuel System
Description
The fuel system consists of fuel tank(s), a water sep-
arating fuel filter, a fuel pump and a carburetor.
a
i
The fuel is stored in the fuel tank. When the engine
is cranking or running, fuel is drawn from the fuel
tank, through the water separating filter, by a me-
chanically operated fuel pump. The fuel pump is op-
erated by the seawater pump shaft cam rotation.
b
c
The fuel is pushed through the fuel line to the carbu-
retor where it is metered and supplied to the engine.
g
Weber 4 Barrel Carburetor
d
f
g
f
b
a
c
1
h
e
i
74871
d
e
50830
a - Vacuum Line To Throttle Body
b - Fuel Pressure Regulator
c - Fuel Cooler
d - Electric Fuel Pump
e - Water Separating Fuel Filter
f - Fuel From Tank
g - Direction Of Water Flow
h - Throttle Body Unit
i - Fuel Line To Throttle Body
a - Fuel Tank
b - Anti-Siphon Valve
c - Water Separating Fuel Filter
d - Fuel Pump
e - Carburetor
f - Fuel Filter
g - Vent Hose
h - Fuel Line
j - Excess Fuel Return To Water Separating Fuel Filter
i - Sight Tube
1
- Boat Fuel System
Index
90-823224--2 796
FUEL DELIVERY SYSTEMS AND FUEL PUMPS - 5A-3
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
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This book is invaluable if you do your own repairs. Great book.
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