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Service bulletin M1611

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11014011
Published by NHTSA2025-02-08
Manufacturer's numberM1611
Manufacturer's date2025-01-29
NHTSA componentWHEELS; POWER TRAIN; VEHICLE SPEED CONTROL; UNKNOWN OR OTHER; ENGINE

NHTSA's summary

SERVICE BULLETIN M1611 (REV A): MILWAUKEE-EIGHT TRANSMISSION SHIFT DRUM UPDATE. PURPOSE: This bulletin informs dealers that (Part No. 33900172) is obsolete. Dealers must purchase the updated bearing door when installing the new shift drum on 2017-2024 Milwaukee-Eight vehicles. Revision A. Updated: Purpose for Service Bulletin. Part No. 33900172) is obsolete.

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, Throttle and cruise control, Transmission and driveline, Wheels

Vehicles listed
HARLEY-DAVIDSON FLDE2017 to 2020
HARLEY-DAVIDSON FLFB2018 to 2019
HARLEY-DAVIDSON FLFBS2018 to 2024
HARLEY-DAVIDSON FLFBS ANV2018
HARLEY-DAVIDSON FLFBS ANX2018
HARLEY-DAVIDSON FLFBSANV2020
HARLEY-DAVIDSON FLFBSANV2023
HARLEY-DAVIDSON FLH2021
HARLEY-DAVIDSON FLHC2017 to 2021
HARLEY-DAVIDSON FLHCS2018 to 2024
HARLEY-DAVIDSON FLHCS ANV2018
HARLEY-DAVIDSON FLHCS ANV2023
HARLEY-DAVIDSON FLHFB2023
HARLEY-DAVIDSON FLHP2017 to 2024
HARLEY-DAVIDSON FLHR2017 to 2022
HARLEY-DAVIDSON FLHRXS2017 to 2024
HARLEY-DAVIDSON FLHT2019 to 2022
HARLEY-DAVIDSON FLHTCU2017 to 2019
HARLEY-DAVIDSON FLHTCUL2017
HARLEY-DAVIDSON FLHTCUTC2017
HARLEY-DAVIDSON FLHTCUTG2017 to 2024
HARLEY-DAVIDSON FLHTCUTG ANV2018
HARLEY-DAVIDSON FLHTCUTGANV2023
HARLEY-DAVIDSON FLHTCUTGSE2019 to 2022
HARLEY-DAVIDSON FLHTK2017 to 2024
HARLEY-DAVIDSON FLHTK ANV2018
HARLEY-DAVIDSON FLHTK SHRINE2020 to 2023
HARLEY-DAVIDSON FLHTKANV2023
HARLEY-DAVIDSON FLHTKL2017 to 2019
HARLEY-DAVIDSON FLHTKSE2017 to 2021
HARLEY-DAVIDSON FLHTKSE ANV2018
HARLEY-DAVIDSON FLHTP2017 to 2024
HARLEY-DAVIDSON FLHX2017 to 2024
HARLEY-DAVIDSON FLHX ANV2018
HARLEY-DAVIDSON FLHX ANX2018
HARLEY-DAVIDSON FLHXS2017 to 2023
HARLEY-DAVIDSON FLHXSANV2023
HARLEY-DAVIDSON FLHXSE2017 to 2022
HARLEY-DAVIDSON FLHXST2022 to 2023
HARLEY-DAVIDSON FLI2024
HARLEY-DAVIDSON FLRT2017 to 2024
HARLEY-DAVIDSON FLSB2018 to 2022
HARLEY-DAVIDSON FLSL2018 to 2021
HARLEY-DAVIDSON FLTRK2020 to 2024
HARLEY-DAVIDSON FLTRKSE2022
HARLEY-DAVIDSON FLTRKSE ANV2023
HARLEY-DAVIDSON FLTRT2023 to 2024
HARLEY-DAVIDSON FLTRU2017 to 2019
HARLEY-DAVIDSON FLTRX2017 to 2023
HARLEY-DAVIDSON FLTRXP2024
HARLEY-DAVIDSON FLTRXS2017 to 2023
HARLEY-DAVIDSON FLTRXSANV2023
HARLEY-DAVIDSON FLTRXSE2018 to 2022
HARLEY-DAVIDSON FLTRXST2022 to 2023
HARLEY-DAVIDSON FLTRXSTSE2023
HARLEY-DAVIDSON FXBB2018 to 2020
HARLEY-DAVIDSON FXBBS2021 to 2024
HARLEY-DAVIDSON FXBR2018 to 2019
HARLEY-DAVIDSON FXBR2023 to 2024
HARLEY-DAVIDSON FXBRS2018 to 2020
HARLEY-DAVIDSON FXBRS2022 to 2023
HARLEY-DAVIDSON FXBRS ANX2018
HARLEY-DAVIDSON FXDB2018
HARLEY-DAVIDSON FXDRS2019 to 2020
HARLEY-DAVIDSON FXFB2018 to 2019
HARLEY-DAVIDSON FXFBS2018 to 2024
HARLEY-DAVIDSON FXLR2018 to 2020
HARLEY-DAVIDSON FXLRS2020 to 2024
HARLEY-DAVIDSON FXLRST2022 to 2024
HARLEY-DAVIDSON FXRST2022
HARLEY-DAVIDSON FXSB2018
HARLEY-DAVIDSON FXST2020 to 2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.