A. Remove Pushrods
STEP 1.
Remove rocker arm cover.
STEP 2.
Rotate crankshaft so that piston is at
top-dead-center (TDC) of compression
stroke (cam lobe facing down).
NOTE:
To identify TDC-compression vs. TDC-exhaust
without opening cam cover, turn crankshaft
until piston reaches top of stroke. Now rotate
crankshaft back and forth. If pushrods and
rocker arms move, piston is at top of exhaust
stroke and lobe is facing up. Make full rotation
of crankshaft, again locating piston at top of
stroke. Now cam lobe should be in correct
position for valve train assembly and
adjustments.
STEP 3.
Push valve-contact side of rocker arm
against valve spring to lift opposite end off
pushrod. Pop pushrod out of cupped
adjustment screw retainer and lift out.
Repeat process for other pushrod.
B. Install Pushrods
Reverse steps above to install pushrods.
Use needle nose pliers or hemostat to
move upper end of pushrod into position.
When installing pushrods, verify that they are
properly seated in cupped receivers in follower
and rocker arm adjustment screw.
C. Remove Rocker Arms
STEP 1.
Remove pushrods.
STEP 2.
Slide rocker arm pivot pin out of
journals in casting.
STEP 3.
Remove rocker arms.
D. Install Rocker Arms
Reverse steps above to install rocker arms.
E. Remove Cam Followers
STEP 1.
Remove pushrods.
STEP 2.
Remove recoil housing, starter pulley,
and cam cover
STEP 3.
Remove follower axle pin and
followers.
Section
5 Servicing Pushrods/Followers/Cam
Removing &
Installing
Pushrods,
Rocker Arms
& Followers
IMPORTANT!
Remove rocker arm cover to expose rocker
arms and upper ends of pushrods.
Push rocker arm against valve spring to release
tension on pushrod. Use needle nose pliers or
hemostat to position end of pushrod in cupped
receiver in valve clearance adjustment screw.
Make sure pushrods are seated in retainer cups
in followers and rocker arms upon reassembly.
Left (intake) follower should be installed first.
11
Edition 2 • 09/2007
