Ski-Doo Formula S 1998, Shop Manual

Page: 141 / 338

Section 04 ENGINE
Subsection 09 (CARBURETOR AND FUEL PUMP)
04-09-12
CLEANING AND INSPECTION
The entire pump should be cleaned with general
purpose solvent before disassembly.
Fuel pump components should be cleaned in gen-
eral purpose solvent and dried with compressed
air.
Inspect diaphragm. The pumping area should be
free of holes, tears or imperfections. Replace as
needed.
High-supply pump with twin outlets: Thorough-
ly clean filter on top cover. Replace filter if neces-
sary.
ASSEMBLY
To install a new valve, proceed as follows:
– Place new valve flat on its seat.
– Slightly oil taper tip of grommet.
– Push grommet with a rotational movement un-
til it crosses its housing.
1. Valve
2. Grommet
3. Lubricate tip
4. Pump body
When assembling pump, ensure to properly posi-
tion stages together. Refer to previous illustra-
tions if necessary.
INSTALLATION
To install, inverse removal procedure.
;
WARNING
Solvent with a low flash point such as gaso-
line, naphtha, benzol, etc., should not be
used as each is flammable and explosive.
A00C3EA
1
2
3
4
;
WARNING
Pressure test to ensure there is no leak in
fuel system.