272144 Vanguard Twin Cylinder OHV BRIGGS & STRATTON.pdf

Disassemble Carburetor
1. Remove four screws (1) and float bowl (2),
Fig. 130. Discard gasket.
2. Use 13 mm thin profile wrench to remove fuel
solenoid (3) from float bowl. Discard gasket.
Fig. 132
Fig. 130
3. Remove main jets (4) from float bowl, Fig. 131.
This completes the carburetor disassembly
procedure.
Clean Carburetor
1. Disassemble carburetor.
2. Remove and discard all old gaskets, seals and
sealing material.
CAUTION
Fig. 131
4. Remove float hinge pin (18), float (5) and inlet
needle (6) from carburetor body, Fig. 132.
5. Remove limiter caps (8) and mixture adjustment
screws (7).
6. Remove screws (9) and choke plate (10).
7. Remove choke shaft (13) and bushings (11, 12)
from carburetor body.
8. Mark throttle plates (15) before removal so they
will be re-installed in the original position. Sides
of throttle plate are beveled.
9. Remove screws (9), throttle plates and throttle
shaft (14) with bushings (16) and seal (17).
Discard seal.
AVOID INJURY!
• Wear suitable protection when using cleaners.
Follow instructions on container.
3. Use a commercial carburetor cleaner such as
Briggs & Stratton Spray Cleaner #100041 or
#100042 to clean carburetor parts and body.
NOTE: Parts containing rubber, such as seals,
O-rings, inlet needles, seats or pump
diaphragms should not be placed in
commercial carburetor cleaner.
Do not leave non-metallic parts (plastic,
nylon, Minlon, etc.), in commercial
carburetor cleaner more than 15 minutes.
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