Buell 2009 XB Series Service Manual page 331

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4. Check lifter roller end clearance.
a. End clearance should be within 0.008-0.022 in.
(0.203-0.559 mm).
b. Replace lifters if clearance exceeds SERVICE WEAR
LIMIT of 0.026 in. (0.660 mm).
5. Soak lifters in clean engine oil. Keep covered until
assembly.
INSTALLATION
1. See Figure 3-107. Rotate engine so that both lifters from
the cylinder will be installed on the base circle of the cam.
2. Apply a liberal amount of engine oil to each lifter assembly
(especially the roller needles) for smooth initial operation.
3. See Figure 3-108. Insert lifter into bore in crankcase.
Rotate lifter so that flats at upper end of lifter face the front
and rear of the engine. If the lifter is installed incorrectly,
anti-rotation screws cannot be inserted.
4. Secure lifters in place.
a. Install anti-rotation screws with washers (8) in the
holes in lifter block.
b. Tighten anti-rotation screws to 55-65 in-lbs (6-7 Nm).
NOTE
Before installing o-rings on the top of each pushrod cover be
sure to apply a small amount of clean engine oil to each o-ring.
5. Install push rod cover.
a. Place new push rod cover gasket (6) over bottom of
pushrod cover.
b. Position push rod cover (3) onto crankcase.
c. Install screws (4) through holes in push rod cover into
tapped holes in crankcase. Tighten screws evenly to
30-40 in-lbs (3-5 Nm).
d. Place new o-rings (2) on top of push rod cover.
6. Install push rods, cylinder head, lower and upper rocker
covers. See 3.7 CYLINDER
7. Repeat process for remaining cylinder head.
HEAD.
sm00173
1. Base circle (lowest position)
2. Cam lobe (maximum lift)
Figure 3-107. Base Circle
sm00174
8
1. Push rod (exhaust)
2. O-ring
3. Push rod cover
4. Screws (4)
5. Push rod cover
6. Push rod cover gasket
7. Hydraulic lifter (tappet)
8. Anti-rotation screw
Figure 3-108. Valve Lifter Service
2009 XB Service: Engine 3-77
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