BOMBARDIER SEA-DOO GS 5626 1998, Shop Manual

Page: 188 / 426

Section 06 FUEL SYSTEM
Subsection 04 (CARBURETOR)
06-04-7
Check for bubbles. If they come from seat or
O-ring, bubbles will exit around seat. Retighten as
necessary.
If it still leaks remove needle and seat and replace
O-ring.
If bubbles come from needle, replace needle and
seat.
9,10, Main Jet and Pilot Jet
Pilot jet and main jet are replaceable. Different jet
sizes are available to suit temperature and altitude
conditions. Always inspect spark plug tip condi-
tion when dealing with pilot jet and main jet. Spark
plug tip condition gives a good indication of carbu-
retor mixture setting.
NOTE: To have access to pilot jet or main jet,
check valve housing must be removed.
TYPICAL
1. Pilot jet
2. Gasket
3. Main jet
4. Check valve housing removed
11, Check Valve Assembly
The check valve is needed if a back pressure oc-
curs into carburetor. It will prevent fuel from flow-
ing back into carburetor lower portion.
Inspect check valve, it should be free of holes,
tears or imperfections. Replace as needed.
1. Check valve
NOTE: Prior to check valve assembly installation,
remember to set gasket.
3,12, Diaphragm and Cover
Install diaphragm with its integrated O-ring into
carburetor groove. Make sure that the tab of cover
is inserted into carburetor notch.
13, O-ring
When installing O-rings of low speed and high
speed screws, apply some BOMBARDIER LUBE
(P/N 293 600 016) to prevent sticking.
20, Fuel Accelerator Pump
Lubricate pump plunger, roller and cam with syn-
thetic grease (P/N 293 550 010) and roller shaft
with BOMBARDIER LUBE (P/N 293 600 016).
TYPICAL
1. Apply synthetic grease to plunger
2. Apply BOMBARDIER LUBE on roller shaft
-
CAUTION
Adjustments vary with temperature and alti-
tude. Always observe spark plug condition
for proper jetting.
1
F01F11A
2
3
4
F01F12A
1
F06F06B
1 2