SeaDoo 2001 UTOPIA 185, Shop Manual

VI

LMR2002-001_00-02A.FM

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2

Section 06    FUEL SYSTEM

Subsection 03   (CARBURETORS)

06-03-4

Step   : Install pump gauge tester to pulse nipple

Step   : Pump tester until it reaches the desired pressure

1.  Fuel outlet nipple

2.  Fuel inlet nipple

A.  28 kPa (4 PSI)

Diaphragm

Challenger Model Only

CARBURETOR REMOVAL

Inspect parts for corrosion dammage (shaft, butterfly,

spring screw, check valve housing, etc.).

Pump Diaphragm Leak Test

TYPICAL

To remove carburetors from engine, proceed as fol-

lows:
Remove air vent tube support.
Unlock retaining slides holding air intake silencer base.

Remove air intake silencer base from watercraft.
Remove screws holding flame arrester base support

to cylinder head cover.
Unscrew base retaining screws then remove base from

carburetors and move to front of watercraft.
Turn the valve to OFF position.

NOTE: 

For fuel line removal, use pliers (P/N 295 000

054).
Disconnect pulse line from fuel pump.
Disconnect fuel fuel supply line from fuel pump.
Disconnect fuel return line.
Disconnect oil injection pump cable, throttle cable and

choke cable.

Remove screws and lock washers retaining carburetors.
Remove carburetors from intake manifold.

All Others Models

Remove 4 bolts and lock washers from rotary valve

cover then move carburetors and rotary valve cover on

top of engine.

NOTE: 

When removing rotary valve cover , pay attention

that the rotary valve stay in place, otherwise it must be

timed.
Remove carburetors from intake manifold.
Disconnect fuel bypass line between carburetors (twin

carburetors).
Remove carburetor(s) from rotary valve cover.

DISASSEMBLY AND INSPECTION

Using a suitable pump gauge tester, perform the fol-

lowing test proceeding as follows:
- Install pump gauge tester (P/N 295 000 083) on pulse

  nipple.
- Pump tester until it reaches 28 kPa (4 PSI).

Diaphragm 

no. 3

 must stand pressure for 10 seconds.

If pressure drops, replace diaphragm.

TYPICAL PAGE

Sub-title indicates a

particular procedure for

the named part.

“TYPICAL”  caption

indicates a general

view which does not

represent full detail.

Italic bold face

setting in this case

indicates that

particular procedure

for Challenger is

finished, so from this

point, all others

models are

concerned.

Italic bold face setting

indicates a particular

procedure concerning

a model.

Service tool to be

used to perform a

certain procedure.

Title indicates main

procedure to be

carried-out.

F00A1XS

Sub-sub-title

indicates a

particular testing,

adjustment or

repair procedure.

Illustration

always follows

text it is

pertained to.

Numbers in a frame

are used to give a

sequence to be

perfomed for above

illustration.

Numbers are used

for description of

components for

above illustration.

Letters are used for

any measures for

above illustration.

F01F0XB

A

2

1

1

2

Number: following

part name refers to

exploded view at

beginning of

subsection.

F01F0XB

A

2

1

1

2

LMR2001_006 _06-03A.FM

INTRODUCTION