S&S Cycle Stealth Air Cleaner Kit for 1991 and Up Harley-Davidson Sportster with Stock CV Carburetor and Stock EFI System User Manual
Page 3

3
1/4" x 20 Screws
Installed
Picture 6
6. Fit the backplate to the carburetor or throttle body and the
cylinder heads. Start the threads of all the screws and tighten
evenly until the backplate is snug.
7. Now that the backplate is positioned, torque the ¼” X 20 fasteners
to 72 in.-lbs. as illustrated in Picture 6.
8. Check between the cylinder head and the backplate for air gaps.
NOTE: A feeler gauge works well for determining the amount of gap,
if any, between the head and the backplate as illustrated in Picture 7.
9. If a gap less than the thickness of a rubber coated washer is
present, torque the breather bolts down 10 -12 ft.-lbs. If a gap of
more than the thickness of a rubber coated washer is present,
determine how much and select the appropriate number of
rubber coated washers needed to take up the gap.
10. If more than one rubber coated washer is needed between the
head and backplate, back out the breather bolts and install the
correct number of rubber coated washers.
11. Thread the breather bolts in and finish torque breather bolts to
10-12 ft.-lbs.
12. Locate the filter, plastic filter top plate and the two ¼" X 20 flanged
head fasteners as illustrated in Picture 8.
Picture 5
Apply 243
Loctite®
13. Apply a drop of 243 blue Loctite® to the threads of each ¼" X 20
flanged head screw and set aside.
14. Hold the filter on the backplate and put the filter top plate on top
of the filter making sure that the word “Down” is facing down and
sitting flat on the filter and locked into the groove as illustrated in
Picture 9.
15. Pass the ¼" X 20 flanged head screws through the plastic top filter
plate, thread in and tighten down evenly until snug and then finish
torque to 72 in.-lbs. as illustrated in Picture 10.
16. Remove the 5/16" button head screw from the plastic top filter plate.
Picture 11 illustrates the button head screw.
Filter Top Plate
Filter
Flanged Head Screws
Picture 8
Picture 9
DOWN
Picture 7
Torque to 72 in.-lbs.
Picture 10