Buell XB 2008 Series, Service Manual

Page: 323 / 688

NOTE
The next step requires lapping the outer race. To keep sprocket
shaft and pinion shaft bearings aligned the lap must be sup-
ported by an adaptor or pilot in the left crankcase half.
2. See LAPPING PINION SHAFT BEARING OUTER RACE.
Lap race until all wear marks are removed.
3. Measure and record ID of race at four places.
4. Check measurements against the specifications listed in
Table 3-30 .
a. If lapping increased bore ID to larger than 1.5656
in. (39.76 mm), go to next step.
b. If roundness or taper do not meet specifications,
continue lapping until specifications are met.
c. If all specifications are met, continue at Step 7 to
remove and size inner race.
Table 3-30. Outer Pinion Race Service Wear Limits
MM IN.
39.8069 1.5672 Largest ID measured
0.0051 0.0002 Roundness of ID
0.0051 0.0002 Taper
5. Press the outer race from the right crankcase.
6. Press new outer race into crankcase flush with inside edge
of cast-in insert.
NOTE
See Figure 3-130 and Figure 3-129 . Dimensions are shown
for fabrication of tools used in pressing the outer race into or
out of crankcase.
7. The new outer race must be lapped slightly to true and
align with left case bearing and to meet the following
specifications in
Table 3-31 . See LAPPING PINION
SHAFT BEARING OUTER RACE.
4
5
1
3
2
sm03436
1. 1.70 in. (43.2 mm)
2. 1.00 in. (25.4 mm)
3. 1.560 in. (39.62 mm)
4. 0.187 in. (4.75 mm)
5. 5/16 in. drill
Figure 3-129. Pinion Shaft Outer Race Removal Tool
4
5
3
2
1
sm03435
1. 2.00 in. (50.8 mm)
2. 1.00 in. (25.4 mm)
3. 1.560 in. (39.62 mm)
4. 0.187 in. (4.75 mm)
5. 5/16 in. drill
Figure 3-130. Pinion Shaft Outer Race Installation Tool
2008 XB Service: Engine 3-87