Section 06
FUEL SYSTEM
Subsection 04
(CARBURETOR)
06-04-10
2, Low Speed Screw
717 ENGINE
1. Low speed screw
787 ENGINE
1. Low speed screw (PTO)
2. Low speed screw (MAG)
947 ENGINE
1. Low speed screw (PTO side shown)
Tighten low speed screw until a slight resistance
is felt. Then, back it off to the specification as per
following chart.
NOTE:
Turning screw clockwise leans mixture and
turning screw counterclockwise enriches mixture.
Start and warm up engine.
Check that engine idles and runs smoothly. Make
sure engine reacts quickly to throttle lever depres-
sion. If necessary, readjust low speed screw
(± 1/4 turn).
NOTE:
On twin carburetor engines, both low
speed screws must be adjusted exactly the same
way. Never adjust screws more than 1/4 turn at a
time.
14, High Speed Screw
The high speed screw is sealed with a plastic cap
that allows an adjustment of 1/4 turn.
NOTE:
Turning screw 1/4 turn counterclockwise
enriches mixture and turning screw clockwise
leans mixture.
F06F0GA
1
F01F33A
2
1
F06F0HA
1
-
CAUTION
Do not attempt to set engine idle speed with
low-speed screw.
WATERCRAFT MODEL
LOW SPEED SCREW
SPX
1.5 turns
GS/GTS/GTI
1.25 turns
GSX Limited/
XP Limited/GTX Limited
2 turns
-
CAUTION
If watercraft is out of water, engine must be
cooled using the flush kit.
-
CAUTION
Do not attempt to adjust high speed screw
by removing plastic cap.
Содержание SEA-DOO GS 5626 1998
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