Removal; Cylinder Head - Buell 2009 XB Series Service Manual

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CYLINDER HEAD

REMOVAL

Before removing the cylinder head assembly, it is necessary
to rotate engine down as described in
FOR SERVICE. The rocker arm covers and internal compon-
ents must be removed before removing cylinder heads.
NOTE
All washers and fasteners used in the engine are hardened.
Do not mix or replace hardened washers and fasteners with
unhardened parts. Do not re-use fiber cover seals. Engine
damage may result.
Rocker Box Assemblies
1. Remove spark plugs.
2. See Figure 3-44. Remove screws (3) with washers (4) and
fiber cover seals (5). Discard fiber seals.
3. Remove top rocker covers (6).
4. Remove and discard gaskets (9,10).
5. Rotate crankshaft until both valves are closed on head
being removed.
6. See Figure 3-42. Remove hardware holding lower rocker
cover to cylinder head in the following order.
a. Remove two screws and washers (3).
b. Remove three bolts and washers (2).
c. Loosen the four rocker arm fasteners (1) in 1/4-1/2
turn increments using a cross pattern in order to
relieve valve spring pressure on the lower rocker box.
7. See Figure 3-44. Remove lower rocker cover (14).
NOTES
Remove lower rocker box as an assembly and then disas-
semble as required.
Mark rocker arm shafts for reassembly in their original
positions. Valve train components must be reinstalled in
their original positions to prevent accelerated wear and
increased valve train noise.
8. See Figure 3-43. Remove rocker arm shafts by tapping
them out using a hammer and a soft metal punch.
9. Remove rocker arms and mark them for reassembly in
their original locations.
10. Mark the location and orientation (top/bottom) of each
push rod. Remove push rods.
3.4 ENGINE ROTATION
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2
1
2
1
2
1. Screws and washers
2. Bolts and washers
3. Rocker arm fasteners
Figure 3-42. Lower Rocker Box Fasteners
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Figure 3-43. Removing Rocker Arm Shafts
2009 XB Service: Engine 3-35
3.7
3
1
1
3