Buell XB9R 2003, Service Manual, Page: 261 / 566

3-70 2003 Buell XB9R: Engine
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ASSEMBLY/INSTALLATION
1. See Figure 3-106. Place PISTON SUPPORT PLATE
(Part No. HD-42322) in position as shown.
2. Install piston assembly over connecting rod.
NOTE
See Figure 3-107. Piston must be installed with the arrow, at
the top of the piston, pointing towards the front of the engine.
3. Install piston pin.
CAUTION
Always use new retaining ring. Make sure retaining ring
groove is clean and that ring seats firmly in groove. If it
does not, discard the ring. Never install a used retaining
ring or a new one if it has been installed and then
removed for any reason. A loosely installed ring will
come out of the piston groove and damage cylinder and
piston beyond repair.
4. See Figure 3-108. Install new piston pin retaining rings
(1) using PISTON PIN RETAINING RING INSTALLER
(2) (Part No. HD-34623C)
. Place new retaining ring on
tool with gap pointing up.
NOTE
Make sure the ring groove is clean. Ring must be fully seated
in the groove with the gap away from the slot at the bottom.
Figure 3-106. Piston Support Plate
(Part No. HD-42322)
Figure 3-107. Piston Pin and Piston Identification
8670
V-groove
b0057b3x
Figure 3-108. Installing Piston Pin Circlip
b1002x3x
b1001x3x
1. Piston pin retaining ring
2. Piston pin retaining ring installer
(Part No. HD-34623C)
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