6-46 2006 Buell Lightning: Drive/Transmission
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TRANSMISSION LEFT CASE BEARINGS 6.13
REMOVAL
Mainshaft and Countershaft Bearings
1. Split crankcases in half. See 6.8 CASE DISASSEMBLY
FOR TRANSMISSION REMOVAL.
2. Remove shifter forks and drum. See 6.10 TRANSMIS-
SION ASSEMBLY under 6.9 TRANSMISSION DISAS-
SEMBLY.
3. Remove countershaft and mainshaft. See 6.9 TRANS-
MISSION DISASSEMBLY.
4. Inspect the mainshaft and countershaft ball bearings for
pitting, scoring, discoloration or other damage.
5. See Figure 6-85. If bearing replacement is required,
remove retaining rings (1, 2) using snap ring pliers (Snap
-On Part No. PR-36). Press out bearings (3, 4) from the
inside of the crankcase.
Shift Drum Bushing
Inspect the shifter drum bushing for pitting, scoring, discolora-
tion or excessive wear. If bushing requires replacement press
bushing out of crankcase from either side.
INSTALLATION
Mainshaft and Countershaft Bearings
1. Place crankcase on press with inside surface of crank-
case downward.
2. Lay bearing squarely over bore with printed side of bear-
ing upward. Place a pressing tool (slightly smaller than
outside diameter of bearing) against outer race. Press
bearing into bore until bearing bottoms against shoulder.
3. Install new retaining ring with beveled side facing away
from bearing.
Shift Drum Bushing
1. Place crankcase on press with outside surface of crank-
case downward.
2. See Figure 6-86. Lay bushing squarely over bore. Using
a pressing tool larger than diameter of bushing, press
bushing into bore until bushing contacts shoulder in left
crankcase half. If using a pressing tool larger than diam-
eter of bushing, the pressing tool will bottom against
crankcase when bushing is flush with top surface.
Figure 6-85. Ball Bearing Assembly
Figure 6-86. Shift Drum Bushing Assembly
1. Retaining ring
2. Retaining ring
3. Bearing, mainshaft
4. Bearing, countershaft
a0123xSx
3
1
2
4
Shift drum
bushing
b1035a6x
Outside
crankcase
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