Service bulletin M1681
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11018151 |
| Published by NHTSA | 2025-05-08 |
| Manufacturer's number | M1681 |
| Manufacturer's date | 2025-04-12 |
| NHTSA component | ENGINE; POWER TRAIN |
NHTSA's summary
SERVICE BULLETIN M1681: EARLY PRODUCTION 2025 SOFTAIL ENGINE OIL OVERFILL. PURPOSE: This bulletin informs dealers that the engine oil of a limited range of 2025 Softail models was overfilled at the assembly plant. This can cause temporary smoking from the exhaust pipe.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine, Transmission and driveline
| HARLEY-DAVIDSON FLFB | 2025 |
|---|---|
| HARLEY-DAVIDSON FLHC | 2025 |
| HARLEY-DAVIDSON FXBB | 2025 |
| HARLEY-DAVIDSON FXBR | 2025 |
| HARLEY-DAVIDSON FXLRS | 2025 |
| HARLEY-DAVIDSON FXLRST | 2025 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.