Buell XB 2008 Series Service Manual page 51

CONDITION
Excessive edge wear
(mistracking)
Excessive tooth wear
Apparent belt stretch
NOTE:
Tension on a new belt will
loosen after approximately
1000 mi (1600 km).
Cracks in back of belt
Tooth shear/cracks
Table 1-10. Potential Limits to Belt Drive Service Life
ROOT CAUSE
Misalignment or bent drive structure
Bent or rough flange
Damage due to handling (pry on, etc.)
Debris damage to edge of belt
Belt hitting obstruction
Bent or loose idler bracket
Broken or loose guards
Rough or damaged sprocket
Worn sprocket
Debris in sprocket
Abrasive environment
Worn sprocket
Debris in sprocket
Idler bearing failure
Aggressive riding/hard use
Exposure to oils, solvents, harsh chem-
icals
Idler/bearing binding
Exposure to oils, solvents, harsh chem-
icals
Cut by sharp debris (not at belt edge)
Cut by sharp debris at belt edge
Excessive load/shock load
Worn sprocket
Debris damage
REQUIRED ACTION
Check structure (bad bearing, bent members, etc.)
Repair flange/replace sprocket
Follow proper handling/installation procedure
Inspect/replace belt
Inspect for damaged or missing guards
Check structure (bad bearing, bent members, etc.)
Inspect for loose/missing fasteners
Inspect for damaged or missing guards
Replace idler assembly
Inspect for loose/missing fasteners
Check structure (bad bearing, bent members, etc.)
Inspect for loose/missing fasteners
Inspect for damaged or missing guards
Inspect/replace sprocket
Inspect/replace sprocket
Clean and protect drive
Inspect for damaged or missing guards
Eliminate or control exposure
Inspect for damaged or missing guards
Inspect/replace sprocket
Clean and protect drive
Inspect for damaged or missing guards
Replace idler assembly
Riding practice/operator choice
Eliminate or control exposure
Clean and protect drive
Replace idler assembly
Eliminate or control exposure
Clean and protect drive
Inspect/replace sprocket
Continue to run but monitor condition frequently
Inspect/replace sprocket
Inspect/replace belt
Inspect/replace belt
Riding practice/operator choice
Inspect/replace sprocket
Inspect/replace sprocket
Clean and protect drive
Inspect/replace belt
Continue to run but monitor condition frequently
Inspect for damaged or missing guards
2008 XB Service: Maintenance 1-29