Main Drive Gear Seal - Buell XB 2008 Series Service Manual

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3
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1. 8 in. bolt
2. Washer
3. Main drive gear
4. Installer cup
5. Nice bearing
6. Flat washer
7. Nut
Figure 6-76. Installing Main Drive Gear (Typical)

Main Drive Gear Seal

1. See Figure 6-77. From outside of crankcase, install
PILOT (Part No. HD-47856-2) over end of main drive gear
bearing inner race.
2. Coat lips of new main drive gear seal with GENUINE
HARLEY-DAVIDSON FORMULA+ TRANSMISSION AND
PRIMARY CHAINCASE LUBRICANT.
NOTE
ADAPTER (Part No. HD-47856-4) and main drive gear have
left-hand threads.
3. See Figure 6-78. Place seal over pilot and position seal
squarely in end of crankcase bore.
4. See Figure 6-79. Thread ADAPTER (Part No. HD-47856-
4) onto end of main drive gear several turns. Do NOT
tighten. Doing so could make it difficult to remove adapter
after seal has been installed.
5. See Figure 6-80. Slide INSTALLER (Part No. HD-47856-
1) over adapter until cupped end of installer is flat against
seal.
6. See Figure 6-81.Thread NUT (Part No. HD-47856-5) onto
end of adapter, until it tightens against installer.
7. See Figure 6-82. Place CROWFOOT WRENCH (Part
No. HD-47856-7) (1) with 1/2 inch drive breaker bar (2)
on large nut. Place an adjustable wrench (3) on flats of
hex head cast into end of adapter.
8. Holding smaller wrench, tighten nut with larger wrench
until outer face of seal is flush with outer edge of crankcase
bore.
NOTE
It is acceptable to recess seal to about 0.030 in. (0.762 mm)
below outer edge of bore. Seal will be controlled by tool.
9. Remove nut, installer, adapter and pilot.
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Figure 6-77. Install Pilot (Typical)
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Figure 6-78. Install Main Drive Gear Seal (Typical)
2008 XB Service: Drive/Transmission 6-43