BOMBARDIER SEA-DOO GS 5626 1998, Shop Manual

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Section 06 FUEL SYSTEM
Subsection 04 (CARBURETOR)
06-04-8
INSTALLATION
At installation, pay attention to the following:
Install carburetor(s) with gasket(s) to intake mani-
fold (rotary valve cover for the 787 engine).
Apply Loctite 577 on screws no. 20 . Then, install
screws no. 20 with lock washers no. 21 and
torque to 20 N•m (15 lbf•ft).
Fuel Lines and Hose Clamps
If fuel line ends are damaged, cut damaged end
before reinstallation.
Properly install clamps.
For fuel system pressurization, refer to FUEL CIR-
CUIT 06-02.
ADJUSTMENTS
Twin Carburetor Synchronization
With idle speed screw not touching throttle lever
stopper on MAG carburetor, both throttle plates
are in closed position.
787 ENGINE SHOWN
1. Stopper
2. Idle speed screw
Loosen jam nuts on carburetor linkage and adjust
linkage with adjustment nut.
Make sure threads length is the same on each
side of linkage and flat surfaces of both ends are
parallel with each other.
1. Jam nuts
2. Adjustment nut
3. Flat surfaces
Tighten jam nuts and torque to 3 N•m (27 lbf• in ).
NOTE: Grease carburetor linkage at both ends
with synthetic grease (P/N 293 550 010).
Connect linkage between both carburetor levers.
Ensure both throttle plates are still in closed posi-
tion.
NOTE: The linkage installation is done with the
marks located near PTO carburetor throttle lever
to ease adjustment if to be performed in the wa-
tercraft.
787 ENGINE SHOWN
1. Throttle lever PTO side
2. Marks
◆
WARNING
Make sure there is no leak in fuel system.
F01F31A
1 2
-
CAUTION
Throttle plates must open simultaneously,
otherwise this will cause engine to vibrate
and/or misfire.
F01F1YA
1
2
3
F01F32A
1 2