2006 Buell Lightning: Engine 3-89
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CLEANING AND INSPECTION
1. Thoroughly clean gearcase compartment, gearcase
cover and gears in solvent to remove oil and carbon
deposits.
11WARNING1WARNING
Compressed air can pierce the skin and flying debris
from compressed air could cause serious eye injury.
Wear safety glasses when working with compressed air.
Never use your hand to check for air leaks or to deter-
mine air flow rates. (00061a)
2. Blow out all cover oil passages and bushings with com-
pressed air.
3. Clean old gasket material from gearcase and crankcase.
Cam and Pinion Gear Identification,
Inspection and Selection
See Figure 3-128. Cam lobes are stamped with a number (1,
2, 3 or 4) followed by a letter (“E”). The numbers identify the
cam location/function and the letter (“E”) indicates model year
application:
NOTE
Prior to changing any cam gears, check gear shaft fit within
corresponding bushings. Worn bushings can cause excessive
backlash.
Bushing Inspection
1. Bushings are press fit in gearcase cover and crankcase.
Inspect each bushing against its corresponding cam
gear shaft or pinion gear shaft. Refer to Table 3-26.
NOTE
If Service Wear Limits are exceeded, replace crankcase set
and/or gearcase cover as required.
Figure 3-128. Cam Identification Stamp
Table 3-25. Cam Identification
Stamp Location/Function
1E Front Exhaust
2E Front Intake
3E Rear Intake
4E Rear Exhaust
2E
b0952x1x
Table 3-26. Gear Shaft Specifications
GEAR
SHAFT
CORRECT
CLEARANCE
SERVICE WEAR
LIMIT
Cam
0.0007-0.0022 in.
(0.0178-0.0559 mm)
0.003 in.
(0.076 mm)
Pinion
0.0023-0.0043 in.
(0.0584-0.1092 mm)
0.0050 in.
(0.1270 mm)
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