{"nhtsa_id":612127,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-06-06","date":"1999-07-22","document_id":"V9910R","mfr_campaign":null,"replaces":"V9910R","component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT","mfr_system":null,"summary":"THE REAR SPROKET BOLTS ON THE AFFECTED MACHINES MAY LOOSEN, CAUSING ABNORMAL NOISE THAT MAY BE MIS-DIAGNOSED AS TRANSMISSION NOISE. THE SPROKET BOLT KIT MUST BE INSTALLED ON ALL AFFECTED UNITS TO PREVENT LOOSENING OF THE SPROKETS BOLTS.","document":null,"url":"https://open.wenmarpro.com/bulletins/612127","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"differential","name":"Differential","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"VICTORY","model":"V92C","year_from":1999,"year_to":1999,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}