Yamaha FZ6 1999–2005 — technical service bulletin
Bulletin 200603 · NHTSA communication 10019598 · issued Feb 24, 2006
Technical service bulletin
communication type
Power Train
component
1999–2005
model years
9
vehicle entries
Official summary
Drive sprocket retaining nut and lock washer replacement. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.