Buell S1 Lightning Workshop Manual page 219

4
GENERAL
The air cleaner prevents foreign material from entering the
carburetor and engine by trapping airborne dust and dirt in
the filter element.
Service air cleaner filter element every 5000 miles (8000 km)
or more often if the motorcycle is run in a dusty environment.
See AIR CLEANER FILTER
REMOVAL
Do not run engine without filter element in place. Debris
could be drawn into the engine causing damage.
1. See Figure 4-15.
top of air cleaner cover.
2. Remove screw, nylon washer and locknut at rear of air
cleaner cover. Remove cover.
3. See Figure 4-16. Detach backplate hoses.
a. Detach cylinder head breather hoses from tee fitting.
b. Detach snorkel breather hose at snorkel.
c. On California models, slide fresh air hose from can-
ister through backplate.
4. See Figure 4-17. Remove two screws and snorkel plate.
5. Remove snorkel and filter box.
6. See Figure 4-18. Remove screw with spacer and gasket.
7. See Figure 4-19.
port.
Step 7 may require a cut down allen wrench.
8. Draw breather hoses through backplate. Remove back-
plate.
9. If necessary, remove air cleaner support ring.
a. Detach breather hoses from cylinder head breather
bolts.
b. Remove front breather bolt.
c. Loosen rear bolt.
d. Slide air cleaner support ring upward and remove.
See Figure 4-20. Air cleaner support ring fits around breather
bolts. Fitting on rear breather bolt may not clear the frame if
bolt removal is attempted. Do not remove rear breather bolt
unless absolutely necessary.
4-18
AIR CLEANER
in Section 1 for more information.
1
CAUTION
Remove screw and nylon washer on
Remove screw under air cleaner sup-
NOTE
NOTE
5705
2
1. Screw and nylon washer
2. Screw, nylon washer and locknut
Figure 4-15. Air Cleaner Cover
5707
2
1
1. Snorkel
2. Snorkel breather
3. Rear head breather
Figure 4-16. Breather Hoses
5678
1
2
1. Screw (2)
2. Snorkel plate
Figure 4-17. Snorkel Ring
1
3
4
5
4. Front head breather
5. Tee fitting
4
3
3. Screw
4. Snorkel tube