Install Carburetor; Install Air Cleaner Assembly - Briggs & Stratton Twin Cylinder L-Head Repair Manual

INSTALL CARBURETOR

To install carburetor and manifold or carburetor, see "Remove Carburetor," this section and assemble in reverse order
of removal. Torque carburetor mounting screws to 100 in. lbs. (11.0 Nm). Torque intake manifold screws to 90 in. lbs.
(10.0 Nm). Install fuel line and fuel pump pulse line. Make sure all connections are tight.

INSTALL AIR CLEANER ASSEMBLY

IMPORTANT: ALL MODELS, breather tubes must be
installed on filtered side of air cleaner element, Fig. 43.
If breather tubes are incorrectly installed, premature
engine wear will result.
Install new air cleaner gasket on carburetor making
sure that holes in gasket align with holes in carburetor.
Install breather tube(s) in air cleaner base, Fig. 44.
NOTE: Breather tube installation will be easier if
breather tube(s) are assembled to air
cleaner base first.
Reassemble air cleaner as shown in section 1.
WARNING: WHENEVER CARBURETOR and
manifold are removed, static governor adjust-
ment should be checked! Misadjustment could
result in engine overspeeding which could
cause engine damage, property damage or
personal injury.
3
Horizontal Crankshaft After Code 91080000
Horizontal Crankshaft Before Code 91080000
Fig. 43 – Breather Tube Locations
TIGHTEN
SCREWS
SECURELY
MOUNTING
STRAP
Fig. 44 – Install Breather Tubes
1 breather tube hole
2 breather tube holes
Vertical Crankshaft
AIR
CLEANER
BASE
GASKET
15