Manual


AllreferencetoHarley-Davidsonpartnumbersisforidenticationpurposesonly.WeinnowayareimplyingthatanyofS&SCycle’sproductsareoriginalequipmentparts
orthattheyareequivalenttothecorrespondingHarley-Davidsonpartnumbershown.
NOTE: It is not necessary to remove oil pump from engine to complete
installation. However, it is highly recommended that new o-rings be
installed when ever the oil pump is loosened or disturbed. The cost of
replacingthematthispointisminimal,butwillbeconsiderableiftheengine
mustbedisassembledagaintoreplacethem.
 

          


See Picture 7, next page.
Do not attempt to remove cams from bearings while bearings are
in bearing plate. Cams and bearings must be removed from plate
together. See Picture 7, next page.
Cam and bearings may press out easily. Use care to support cams so
they don’t unexpectedly fall to the oor.
NOTES: Bearingsareusuallydamagedduringremovalandshouldnotbe
reused.IfS&S®CamInstallationKit(33-5175)isnotused,newcambearings
should be obtained from other source and installed with new cams.
 Checkprimaryandsecondarycamshoesforwearand/ordamage.
Donotre-useeithershoeifmorethantheshoethicknessisworn,or
ifthereisanyevidenceofmelting,burning,orcracking.
 Replacement shoes are installed per appropriate Harley-Davidson®
service manual.
 If upgrading from keyed rear camshaft to splined rear camshaft,
further steps requireuse of 2000 and up splined rear sprocket and
spacer. Spacer style used with keyed cams is not compatible with
splinedcams.Spacersareavailableinvedierentthickness.
Prepare cam for installation:
NOTE: Whenusing551C,583C,585C,625C,or640Ccamshaftsclearance
between pinion bearing boss and rear cam lobe must be checked. See
Pictures 9 & 10 next page.Removejustenoughmaterialtoprovide.030"
clearancebetweentopofcamlobeandpinionbearingbosswhencamshaft
is rotated in inner needle bearing.Also check clearancebetween all cam
lobes and tappet guide bosses. To avoid contamination of engine with
chips,werecommendthatallholesinthegearcasebetapedowithduct
tapeandthatgearcasebethoroughlycleanedwithpartscleanerorsolvent
afterclearancingisperformed.
D. Replacing Cams ONLY — Early (99–06 excluding 06 Dyna)
NOTE: Notrecommendedforcamsabove.510 lift. If replacingcamsand
upgrading cam plate (recommended), follow instructions included with
H-D® Kit #25284-08. After cam plate and cams have been installed, go
to Section E for pushrod adjustments and special notes on compression
releases.
NOTE: Before reinstalling cam support plate,replace oil pump scavenge
o-ring(suppliedinkit)eveniftheoriginalappearstobeingoodcondition.
Thestocko-ringcanbecomebrittleandprovideapoorsealifreused.
 

         



Picture 5
CAUTION
Picture 6
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Figure 1 Figure 2