S&S Cycle Billet Rocker Covers for Harley-Davidson Twin Cam 88 User Manual
Page 4
12. Place stock rocker support plate assembly in rocker arm
housing. Prepare stock bolts for Loctite
®
according to
manufacturer’s instructions and apply Loctite
®
to threads.
Insert two short rocker support plate bolts in holes in left
(driveside) of plate and two long support plate bolts in
right (camside) holes. Gradually tighten support plate bolts
to 15-18 ft-lbs. according to sequence described in Step 5.
NOTE - Hydraulic lifters may require a few minutes to bleed
down after rocker assembly is installed. Do not rotate engine
until pushrods can be turned with light finger pressure.
13. Prepare breather cover/baffle assembly bolts for Loctite
®
and
apply Loctite
®
according to manufacturer’s instructions.
14. Separate top and bottom halves of breather cover/baffle
assembly, clean gasket surfaces, and install center gasket
supplied with S&S
®
rocker housing kit. See Picture 6. Place
other gasket supplied with kit on lower rocker housing and
install breather cover and baffle assembly. See Picture 7.
Tighten bolts evenly to 90-120 in-lbs.
15. Confirm clearance between rocker arm and top rocker cover
by applying layer of clay at least .060” thick inside areas of
cover that will come closest to rocker arm at maximum lift.
Temporarily install cover with four screws and rotate engine
through two complete revolutions. Remove cover and
examine clay. Layer of clay above rocker arm must remain at
least .060” thick. If dented, indentation must leave at least
.060” of clay between rocker arm and cover. Remove all
traces of clay and thoroughly clean rocker and cover with
clean, lint-free cloth.
16. Install one flat and one fiber washer on each of six
5
⁄
16
-18 x
3
⁄
4
rocker cover screws.
NOTE - Install flat washer on screw first. Fiber washer goes
between flat washer and rocker cover.
Prepare rocker cover screws for Loctite
®
and apply Loctite
®
to
threads. Install rocker cover and gradually tighten screws to 9-12
ft-lbs. in following sequence (See Picture 8):
Right (camside) front
1.
Left (driveside) rear
2.
Left (driveside) front
3.
Right (camside) rear
4.
Left (driveside) center
5.
Right (camside) center
17. Extend pushrod covers and replace retainer clips.
18. Remove covers from rear cylinder pushrods. Rotate engine
to place pushrods at lowest point on cam with rear piston at
TDC. Repeat procedure described above.
19. Replace parts removed for installation, start motorcycle and
inspect for gas and oil leaks.
4
Picture 6
Picture 7
Picture 8
Gasket