Section10FUELSYSTEM
Subsection 03 (CARBURETOR)
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 no. 17. Itshouldbefreeof
holes, tears or imperfections. Replace as needed.
F01F12A
1
1. Check valve
NOTE: Prior to check valve assembly installation,
remember to set gasket no. 18.
Diaphragm and Cover
Install diaphragm no. 10 with its integrated O-ring
into carburetor groove. Make sure that the tab of
cover no. 19 is inserted into carburetor notch.
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).
F06F06B
12
TYPICAL
1. Apply synthetic grease to plunger
2. Apply BOMBARDIER LUBE on roller shaft
INSTALLATION
Carburetor
At installation, pay attention to the following:
Install carburetor with gasket to intake manifold
(rotary valve cover).
Apply synthetic grease on screws no. 1. Then,
install screws with lock washers no. 2 and torque
to 20 N•m(15lbf•ft).
Fuel Lines and Hose Clamps
If fuel line ends are damaged, cut damaged end
before reinstallation.
Properly install clamps.
WARNING
Make sure there is no leak in fuel system.
For fuel system pressurization, refer to FUEL CIR-
CUIT.
ADJUSTMENTS
Carburetor Adjustment
There is no mixture adjustment to be performed
by the dealer.
IMPORTANT: Trying to bypass the anti-tamper
screws could damage the carburetor. It could
also change the engine emission level and lead
the engine not to meet the emission control reg-
ulations.
Throttle Cable Adjustment
NOTE: Do not activate throttle lever unnecessar-
ily. Carburetor is equipped with fuel accelerator
pump. This pump is injecting fuel into carburetors
each time throttle lever is depressed.
Lubricate cable with BOMBARDIER LUBE lubri-
cant.
smr2004-Complete Line Up 525
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