S&S Cycle Pushrod Kits and Travel Limiters (all) - Manual (Page 3)

3. 1953-'65 panhead stock replacement hydraulic
pushrod kit
(Part 93-5091 and 93-5092.)
NOTE: These kits are intended to replace the stock pushrods
found in 1953-'65 engines. These kits require the stock-type
adjusting screws, which are not included.
a. Remove pushrod cover clips and lift cover
assemblies to view lifters.
b. Remove sparkplugs and rotate engine until front
piston is at the top of its stroke, with both front
lifters at their lowest position (TDCC – top dead
center, compression).
c. Loosen front lifter adjusters and remove pushrod
and tube assemblies.
d. Clean and inspect pushrod tubes. Replace all cork
and/or O-ring seals. Apply a light coat of engine
oil to O-rings.
e. Install stock-style adjusting screws & locknuts
into pushrods.
f. Insert new pushrods through tube assemblies and
install in appropriate positions.
g. Extend adjusting screws to remove lash in pushrods.
Compress hydraulic unit in exhaust lifter 4 complete
turns (24 flats) and tighten locknut. Allow sufficient
time for lifter to bleed down (5 to 10 minutes)
before adjusting intake pushrod.
Failure to allow hydraulic unit to bleed down before rotating
engine or adjusting the other pushrod could result in valve-
to-valve contact and serious valve train damage. Lifters are
bled down when pushrod can be turned with fingertips.
h. Repeat above procedures for rear cylinder.
i. Replace spark plugs and pushrod tube clips. Start
motorcycle and check for leaks.
4. 1953-'65 panhead solid lifter conversion kit
(Part 93-5081, 93-5082, 93-5083, 93-5084, 93-5058, and
93-5028.)
NOTES:
●
These kits are intended for converting 1953-'65 stock style
hydraulic lifters to adjustable solid lifters.
● Panhead engines, 1953 & later, and shovelhead engines with
solid lifters, should have tappet block hydraulic lifter oil feed
holes plugged to prevent excess oil escaping above lifters
and filling pushrod tubes, causing potential oil leaks. Thread
8-32 tap into oil feed passage from gasket surface of tappet
block until tap end just starts to enter lifter bore. Plug hole
with an 8-32 x
3 ⁄
16
" set screw. Repeat for other tappet block.
● If hydraulic lifters are to be reinstalled, plugs must be removed.
Restricted oil flow to hydraulic lifter assemblies causes lifters
to operate with improper oil pressure which may damage the
lifters or other valve train components.
a. Remove pushrod cover clips and lift cover
assemblies to view lifters.
b. Remove sparkplugs and rotate engine until front
piston is at the top of its stroke, with both front
lifters at their lowest position (TDCC – top dead
center, compression).
c. Loosen front lifter adjusters and remove pushrod
and tube assemblies.
d. Clean & inspect pushrod tubes. Replace all cork
and/or O-ring seals. Apply a light coat of engine
oil to O-rings.
e. Remove tappet block and perform plugging step
detailed in above note.
f. Remove hydraulic unit from tappet and replace
with solid lifter adapter, adjusting screw, and
locknut assembly.
g. Insert new pushrods through tube assemblies and
install in appropriate positions.
h. Extend adjusting screws to remove lash in pushrods.
Adjust to be able to spin pushrods with fingertips
with a slight drag, and tighten locknuts.
i. Repeat above procedures for rear cylinder.
j. Replace spark plugs and pushrod tube clips. Start
motorcycle and check for leaks.
C. Pushrod kits for shovelhead engines.
1.
1966-'84 with 1948-'52 lifters.
(Part 93-5069 and 93-5026.)
NOTE: These kits are intended for use with 1948-'52 style
adjustable lifters.
a. Remove pushrod cover clips and lift cover
assemblies to view lifters.
b. Remove sparkplugs and rotate engine until front
piston is at the top of its stroke, with both front
lifters at their lowest position (TDCC – top dead
center, compression).
c. Loosen front lifter adjusters and remove pushrod
and tube assemblies.
d. Clean and inspect pushrod tubes. Replace all cork
and/or O-ring seals. Apply a light coat of engine
oil to O-rings.
e. Remove tappet block and perform plugging step
detailed in above note.
f. Remove hydraulic unit from tappet and replace
with solid lifter adapter, adjusting screw, and
locknut assembly.
g. Insert new pushrods through tube assemblies and
install in appropriate positions.
h. Extend adjusting screws to remove lash in pushrods.
Adjust to be able to spin pushrods with fingertips
with a slight drag, and tighten locknuts.
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CAUTION
CAUTION