Section 04
ENGINE
Sub-Section 11
(CARBURETOR AND FUEL PUMP)
04-11-4
REMOVAL
Remove air silencer(s). For S-Series, see BAT-
TERY 06-04.
Disconnect fuel inlet line.
Disconnect primer line from carburetor.
1,9, Cover and Throttle Slide
Unscrew carburetor cover then pull out throttle
slide from carburetor.
WARNING : Exercise care when handling
throttle slide. Scratches incurred may
cause throttle slide to stick open in operation.
Disconnect throttle cable from throttle slide.
Untighten rubber flange clamps then remove car-
buretor from engine.
CLEANING AND INSPECTION
The entire carburetor should be cleaned with a
general solvent and dried with compressed air be-
fore disassembly.
CAUTION : Heavy duty carburetor cleaner
may be harmful to the float material and
to the rubber parts, O-rings, etc. Therefore, it is
recommended to remove those parts prior to
cleaning.
Carburetor body and jets should be cleaned in a
carburetor cleaner following manufacturer’s in-
structions.
WARNING : Solvent with a low flash point
such as gasoline, naphtha, benzol, etc.,
should not be used as they are flammable and
explosive.
Check inlet needle tip condition. If worn, the inlet
needle and seat must be replaced as a matched
set.
NOTE :
Install needle valve for snowmobile
carburetor only. It is designed to operate
with a fuel pump system.
Check throttle slide for wear. Replace as neces-
sary.
11,12, Cap and Float
Check for fuel inside float.
If fuel is noticed :
– Check cap for fuel tightness ; replace as neces-
sary.
– Check float for cracks or other damage affect-
ing fuel tightness ; replace as necessary.
Summit Only
Check rubber plug close to fuel inlet fitting for
cracks or any damage that could affect air tight-
ness.
DISASSEMBLY AND ASSEMBLY
NOTE :
To ease the carburetor disassembly
and assembly procedures it is recommend-
ed to use carburetor tool kit (P / N 404 1120 00).
2,3, E-clip and Needle
All Models Except Mach Z
Remove screws from needle retaining plate to
withdraw the needle.
Mach Z Only
To remove needle or to change its position or to
remove throttle slide, remove carburetor cover.
Except for MAG side carburetor, unscrew locking
screw and adjusting nut from throttle rod.
Move arm aside just enough for unscrewing Allen
screw retaining throttle slide.
For MAG side carburetor, raise throttle slide half
way then unscrew Allen screws.
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A00B2FA
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Страница 142: ...Section 04 ENGINE Sub Section 08 LIQUID COOLING SYSTEM 04 08 3 599 and 779 Engines A06C0NS Loctite 592 5 3 4 1 2 6 7...
Страница 168: ...Section 04 ENGINE Sub Section 11 CARBURETOR AND FUEL PUMP 04 11 12 HAC SYSTEM A03I0BS...
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