S&S Cycle Camshafts For 1986–2013 Harley-Davidson Sportster Models User Manual
Page 4
6. Rotate crankshaft until timing mark on pinion gear will align
with middle timing mark on #2 cam when installed in crankcase.
Picture 7, above right.
7. Apply assembly lube to all inner cam bushings or bearings and
install cams #1 and #3.
8. Hold #2 cam in position but do not install in crankcase. Turn #2
and #3 cams so timing marks on camshaft will align that with
marks on #2 cam gear when properly aligned with timing mark on
pinion gear. Install #2 cam, and check to be sure all timing marks
are still correctly aligned.
9. Install #4 cam, aligning timing marks on #3 and #4 cam gears.
Picture 8 (left) shows all cams installed with correct timing mark
alignment. .
10. Apply assembly lube to the cam gears, outer cam bearing surfaces
and gear cover bushings.
11. Install gear cover and gasket.
12. Apply blue thread locker to gear cover fasteners, and torque to 80-
110 in-lb in the sequence shown. Picture 9, below left.
CAUTION
Failure to follow tightening sequence may warp the gear cover.
13. Check for any binding by turning the engine over by hand.
14. Check camshaft end play by pushing each cam outward toward
the cam cover and inserting a feeler gauge through tappet bore to
measure clearance between cam and crankcase bushing. Endplay
should be between .005" and .030". Picture 10, below.
15. Reinstall all parts removed according to the procedures in the
service manual. If any aftermarket components such as adjustable
pushrods are installed, follow manufacturers instructions.
4
Picture 8
Picture 10
Picture 9
6
7
3
1
4
2
5
8
9
10
11
Picture 6
Picture 7
CAM 1
CAM 2
CAM 3
CAM 4