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Service bulletins for the 1999 Honda TRX400EX

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.

1 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
0103002001-10-18. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. SUBJECT REGARDING CUSTOMER COMPLAINTS OF STARTER CLUTCH NOISE EXPERIENCED ON 1999 AND 2000 TRX400EX MODELS. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.