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buell s1 lightning '97 Manual

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4-14
 
REMOVAL
 
Carburetor
1
 
WARNING
Gasoline can be extremely flammable and highly explo-
sive. Do not smoke or allow open flame or sparks when
refueling or servicing the fuel system. Inadequate safety
precautions may result in personal injury.
 
1.
Turn fuel supply valve OFF.
2.
Remove air cleaner cover and backplate. See 
AIR
CLEANER, REMOVAL 
on 
page 4-18
.
3.
Loosen rear breather bolt. Remove front breather bolt
and washer. Remove air cleaner support ring.
1
 
WARNING
A small amount of gasoline may drain from the fuel hose
when disconnected from the carburetor. Thoroughly wipe
up any spilt fuel immediately and dispose of rags in a
suitable manner. Gasoline can be extremely flammable
and highly explosive. Inadequate safety precautions may
result in personal injury.
 
4.
See
Discard fuel hose clamp.
5.
Detach enrichener cable from bracket near ignition key
switch.
6.
Disconnect vacuum hose from carburetor V.O.E.S. fitting. 
7.
Add freeplay to throttle cable adjusters (metric). Remove
throttle cables at carburetor.
8.
Pull carburetor free of intake manifold. 
9.
Disconnect fuel drain hose from drain fitting. On Califor-
nia models, disconnect canister vent hose.
 
Carburetor Manifold
 
1.
Remove carburetor as described above.
2.
Remove fuel tank. See 
FUEL TANK, REMOVAL 
on
page 4-20
. 
3.
Remove ignition key switch bracket.
a.  Remove bolt and locknut to detach top tie bar from
ignition key switch bracket.
b. 
Cut cable strap holding ignition wires to main wiring
harness.
c. 
Remove two TORX screws and washers from cylin-
der heads.
d. 
Place bracket to the side.
4.
See 
 Loosen two intake manifold screws (4)
on primary side of engine. Do not remove.
5.
Remove two manifold mounting screws (4) on gearcase
side of engine. 
6.
Remove intake manifold (5) and seal ring (6). Slide both
mounting flanges (1, 2) over primary side screws (4).
Remove intake manifold seals (3).
 
Figure 4-12. Carburetor Hoses
Figure 4-13. Intake Manifold
1
5751
2
3
1.
Fuel hose
2.
Canister vent hose (California models only)
3.
V.O.E.S. connection (on back of carburetor)
1.
Rear mounting flange
2.
Front mounting flange
3.
Intake manifold seal (2)
4.
Screw (4)
5.
Intake manifold
6.
Seal ring
b0101x4x
1
6
4
3
2
5
6
5