Section 05
FUEL SYSTEM
Sub-Section 04
(CARBURETORS)
05-04-7
NOTE:
Pressure test should be performed three
times to obtain a valid reading.
If pop-off pressure is not within specification,
check control lever adjustment. Replace spring as
necessary.
LEAK TEST
Needle valve must stand a pressure of 69 kPa
(10 PSI) for 30 seconds. Otherwise, hold carbure-
tor upside down, pour oil over needle valve and
apply pressure.
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 cov-
er is inserted into carburetor notch.
-
CAUTION
Do not stretch or cut spring.
-
CAUTION
Adjustments vary with temperature and alti-
tude. Always observe spark plug condition
for proper jetting.
1
F01F11A
2
3
4
F01F12A
1
www.SeaDooManuals.net
Summary of Contents for 1997 GSI
Page 1: ...www SeaDooManuals net ...
Page 2: ...0 0 SHOP MANUAL 0 219 100 048 www SeaDooManuals net ...
Page 343: ...www SeaDooManuals net ...
Page 344: ...www SeaDooManuals net ...
Page 345: ...www SeaDooManuals net ...
Page 346: ...www SeaDooManuals net ...
Page 347: ...www SeaDooManuals net ...
Page 348: ...www SeaDooManuals net ...
Page 349: ...www SeaDooManuals net ...
Page 350: ...www SeaDooManuals net ...
Page 351: ...www SeaDooManuals net ...
Page 352: ...www SeaDooManuals net ...
Page 353: ...www SeaDooManuals net ...
Page 354: ...www SeaDooManuals net ...
Page 355: ...www SeaDooManuals net ...
Page 356: ...www SeaDooManuals net ...
Page 357: ...www SeaDooManuals net ...
Page 358: ...www SeaDooManuals net ...
Page 359: ...www SeaDooManuals net ...
Page 360: ...www SeaDooManuals net ...
Page 361: ...www SeaDooManuals net ...
Page 362: ...www SeaDooManuals net ...
Page 363: ...www SeaDooManuals net ...
Page 364: ...www SeaDooManuals net ...
Page 365: ...www SeaDooManuals net ...
Page 366: ...www SeaDooManuals net ...
Page 367: ...www SeaDooManuals net ...
Page 368: ...www SeaDooManuals net ...
Page 369: ...www SeaDooManuals net ...
Page 370: ...www SeaDooManuals net ...
Page 371: ...www SeaDooManuals net ...
Page 372: ...www SeaDooManuals net ...