2005 Big Dog Mastiff Recalls
No NHTSA recalls on record for the 2005 Big Dog Mastiff. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 1 complaint with NHTSA, most often about the power train. Last updated July 5, 2026.
Complaints by component
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“2005 big dog mastiff motorcycle. Is known for having a bad ehc units. Ehc is the brain box of the motorcycle when this fails it shuts down the motorcycle lights and everything. Had this happen on mine numerous times. Got different ehc unit haven't had the problem since. Ok next problem with bike…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2005 Big Dog Mastiff as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.