# Service bulletin M1612

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: 10254115
- Published by NHTSA: 2024\-05\-03
- Manufacturer's number: M1612
- Manufacturer's date: 2024\-04\-04
- NHTSA component: UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING; VEHICLE SPEED CONTROL; POWER TRAIN

## NHTSA's summary

SERVICE BULLETIN M1612 \(REV A\): MILWAUKEE\-EIGHT AND TWIN CAM TRANSMISSION GEAR PACKS. Purpose: Revision. Update: Notes for Table 3 and 4. \* Updated: Part Numbers. This bulletin informs dealers that all: Twin Cam gear packs on CVO, Dyna, Police, Softail, Touring \& Trike models and Milwaukee\-Eight gear packs on CVO, Police, Softail, Touring \& Trike models ordered after December 04, 2023 will not come with the shift drum, forks, shafts and related hardware. Models Affected: 2006\-2017 Twin Cams: Dyna models 2007\-2016 Twin Cams: CVO, Police, Touring and Trike models 2007\-2017 Twin Cams: Softail models 2017\-2024 Milwaukee\-Eight: CVO, Police, Touring and Trike models 2018\-2024 Milwaukee\-Eight: Softail models

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10254115-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10254115-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Throttle and cruise control, Transmission and driveline

## Vehicles listed

- 2012 HARLEY\-DAVIDSON FLD
- 2014 to 2016 HARLEY\-DAVIDSON FLD
- 2017 to 2020 HARLEY\-DAVIDSON FLDE
- 2018 to 2019 HARLEY\-DAVIDSON FLFB
- 2018 to 2024 HARLEY\-DAVIDSON FLFBS
- 2018 HARLEY\-DAVIDSON FLFBS ANV
- 2018 HARLEY\-DAVIDSON FLFBS ANX
- 2020 HARLEY\-DAVIDSON FLFBSANV
- 2023 HARLEY\-DAVIDSON FLFBSANV
- 2021 HARLEY\-DAVIDSON FLH
- 2017 to 2021 HARLEY\-DAVIDSON FLHC
- 2018 to 2024 HARLEY\-DAVIDSON FLHCS
- 2018 HARLEY\-DAVIDSON FLHCS ANV
- 2023 HARLEY\-DAVIDSON FLHCS ANV
- 2023 HARLEY\-DAVIDSON FLHFB
- 2007 to 2024 HARLEY\-DAVIDSON FLHP
- 2007 to 2011 HARLEY\-DAVIDSON FLHPE
- 2006 HARLEY\-DAVIDSON FLHPEI
- 2006 HARLEY\-DAVIDSON FLHPI
- 2006 to 2022 HARLEY\-DAVIDSON FLHR
- 2017 HARLEY\-DAVIDSON FLHR / ROAD KING
- 2011 HARLEY\-DAVIDSON FLHR103
- 2013 HARLEY\-DAVIDSON FLHR103
- 2007 to 2011 HARLEY\-DAVIDSON FLHRC
- 2013 to 2016 HARLEY\-DAVIDSON FLHRC
- 2011 to 2012 HARLEY\-DAVIDSON FLHRC103
- 2006 HARLEY\-DAVIDSON FLHRCI
- 2006 HARLEY\-DAVIDSON FLHRI
- 2006 to 2008 HARLEY\-DAVIDSON FLHRS
- 2013 to 2014 HARLEY\-DAVIDSON FLHRSE
- 2007 HARLEY\-DAVIDSON FLHRSE3
- 2008 HARLEY\-DAVIDSON FLHRSE4
- 2006 HARLEY\-DAVIDSON FLHRSI
- 2011 HARLEY\-DAVIDSON FLHRUSE
- 2011 HARLEY\-DAVIDSON FLHRX103
- 2017 to 2024 HARLEY\-DAVIDSON FLHRXS
- 2006 to 2010 HARLEY\-DAVIDSON FLHT
- 2019 to 2022 HARLEY\-DAVIDSON FLHT
- 2007 to 2011 HARLEY\-DAVIDSON FLHTC
- 2013 HARLEY\-DAVIDSON FLHTC
- 2011 to 2012 HARLEY\-DAVIDSON FLHTC103
- 2006 HARLEY\-DAVIDSON FLHTCI
- 2007 to 2011 HARLEY\-DAVIDSON FLHTCU
- 2013 to 2019 HARLEY\-DAVIDSON FLHTCU
- 2014 to 2015 HARLEY\-DAVIDSON FLHTCU TC
- 2011 to 2014 HARLEY\-DAVIDSON FLHTCU103
- 2009 HARLEY\-DAVIDSON FLHTCUH
- 2006 HARLEY\-DAVIDSON FLHTCUI
- 2015 to 2017 HARLEY\-DAVIDSON FLHTCUL
- 2015 HARLEY\-DAVIDSON FLHTCUL TC
- 2006 HARLEY\-DAVIDSON FLHTCUSE
- 2007 HARLEY\-DAVIDSON FLHTCUSE2
- 2008 HARLEY\-DAVIDSON FLHTCUSE3
- 2009 HARLEY\-DAVIDSON FLHTCUSE4
- 2010 HARLEY\-DAVIDSON FLHTCUSE5
- 2011 HARLEY\-DAVIDSON FLHTCUSE6
- 2012 HARLEY\-DAVIDSON FLHTCUSE7
- 2013 HARLEY\-DAVIDSON FLHTCUSE8
- 2017 HARLEY\-DAVIDSON FLHTCUTC
- 2009 to 2024 HARLEY\-DAVIDSON FLHTCUTG
- 2018 HARLEY\-DAVIDSON FLHTCUTG ANV
- 2023 HARLEY\-DAVIDSON FLHTCUTGANV
- 2019 to 2022 HARLEY\-DAVIDSON FLHTCUTGSE
- 2006 HARLEY\-DAVIDSON FLHTI
- 2009 to 2024 HARLEY\-DAVIDSON FLHTK
- 2018 HARLEY\-DAVIDSON FLHTK ANV
- 2020 to 2023 HARLEY\-DAVIDSON FLHTK SHRINE
- 2023 HARLEY\-DAVIDSON FLHTKANV
- 2015 to 2019 HARLEY\-DAVIDSON FLHTKL
- 2014 to 2021 HARLEY\-DAVIDSON FLHTKSE
- 2018 HARLEY\-DAVIDSON FLHTKSE ANV
- 2007 to 2024 HARLEY\-DAVIDSON FLHTP
- 2009 HARLEY\-DAVIDSON FLHTPH
- 2006 HARLEY\-DAVIDSON FLHTPI
- 2006 to 2024 HARLEY\-DAVIDSON FLHX
- 2008 HARLEY\-DAVIDSON FLHX ANV
- 2018 HARLEY\-DAVIDSON FLHX ANV
- 2018 HARLEY\-DAVIDSON FLHX ANX
- 2011 to 2014 HARLEY\-DAVIDSON FLHX103
- 2006 HARLEY\-DAVIDSON FLHXI
- 2014 to 2023 HARLEY\-DAVIDSON FLHXS
- 2023 HARLEY\-DAVIDSON FLHXSANV
- 2010 HARLEY\-DAVIDSON FLHXSE
- 2015 to 2024 HARLEY\-DAVIDSON FLHXSE
- 2011 HARLEY\-DAVIDSON FLHXSE2
- 2012 HARLEY\-DAVIDSON FLHXSE3
- 2022 to 2023 HARLEY\-DAVIDSON FLHXST
- 2010 to 2012 HARLEY\-DAVIDSON FLHXXX
- 2024 HARLEY\-DAVIDSON FLI
- 2015 to 2024 HARLEY\-DAVIDSON FLRT
- 2013 HARLEY\-DAVIDSON FLS
- 2017 HARLEY\-DAVIDSON FLS
- 2015 to 2016 HARLEY\-DAVIDSON FLS103
- 2018 to 2022 HARLEY\-DAVIDSON FLSB
- 2018 to 2021 HARLEY\-DAVIDSON FLSL
- 2016 to 2017 HARLEY\-DAVIDSON FLSS
- 2006 to 2007 HARLEY\-DAVIDSON FLST
- 2006 to 2017 HARLEY\-DAVIDSON FLSTC
- 2006 HARLEY\-DAVIDSON FLSTCI
- 2006 to 2011 HARLEY\-DAVIDSON FLSTF
- 2016 to 2017 HARLEY\-DAVIDSON FLSTF
- 2015 HARLEY\-DAVIDSON FLSTF103
- 2010 to 2017 HARLEY\-DAVIDSON FLSTFB
- 2016 to 2017 HARLEY\-DAVIDSON FLSTFBS
- 2006 HARLEY\-DAVIDSON FLSTFI
- 2006 HARLEY\-DAVIDSON FLSTFSE2
- 2006 HARLEY\-DAVIDSON FLSTI
- 2006 to 2017 HARLEY\-DAVIDSON FLSTN
- 2006 HARLEY\-DAVIDSON FLSTNI
- 2014 to 2015 HARLEY\-DAVIDSON FLSTNSE
- 2008 to 2011 HARLEY\-DAVIDSON FLSTSB
- 2006 to 2007 HARLEY\-DAVIDSON FLSTSC
- 2006 HARLEY\-DAVIDSON FLSTSCI
- 2010 HARLEY\-DAVIDSON FLSTSE
- 2011 HARLEY\-DAVIDSON FLSTSE2
- 2012 HARLEY\-DAVIDSON FLSTSE3
- 2007 to 2009 HARLEY\-DAVIDSON FLTR
- 2006 HARLEY\-DAVIDSON FLTRI
- 2020 to 2024 HARLEY\-DAVIDSON FLTRK
- 2022 HARLEY\-DAVIDSON FLTRKSE
- 2023 HARLEY\-DAVIDSON FLTRKSE ANV
- 2009 HARLEY\-DAVIDSON FLTRSE3
- 2023 to 2024 HARLEY\-DAVIDSON FLTRT
- 2010 to 2011 HARLEY\-DAVIDSON FLTRU
- 2013 HARLEY\-DAVIDSON FLTRU
- 2016 to 2019 HARLEY\-DAVIDSON FLTRU
- 2011 to 2013 HARLEY\-DAVIDSON FLTRU103
- 2011 HARLEY\-DAVIDSON FLTRUSE
- 2015 to 2016 HARLEY\-DAVIDSON FLTRUSE
- 2010 to 2011 HARLEY\-DAVIDSON FLTRX
- 2013 HARLEY\-DAVIDSON FLTRX
- 2015 to 2024 HARLEY\-DAVIDSON FLTRX
- 2011 to 2013 HARLEY\-DAVIDSON FLTRX103
- 2024 HARLEY\-DAVIDSON FLTRXP
- 2015 to 2023 HARLEY\-DAVIDSON FLTRXS
- 2023 HARLEY\-DAVIDSON FLTRXSANV
- 2012 HARLEY\-DAVIDSON FLTRXSE
- 2018 to 2024 HARLEY\-DAVIDSON FLTRXSE
- 2013 HARLEY\-DAVIDSON FLTRXSE2
- 2022 to 2023 HARLEY\-DAVIDSON FLTRXST
- 2023 to 2024 HARLEY\-DAVIDSON FLTRXSTSE
- 2018 to 2020 HARLEY\-DAVIDSON FXBB
- 2021 to 2024 HARLEY\-DAVIDSON FXBBS
- 2018 to 2019 HARLEY\-DAVIDSON FXBR
- 2023 to 2024 HARLEY\-DAVIDSON FXBR
- 2018 to 2020 HARLEY\-DAVIDSON FXBRS
- 2022 to 2023 HARLEY\-DAVIDSON FXBRS
- 2018 HARLEY\-DAVIDSON FXBRS ANX
- 2007 to 2009 HARLEY\-DAVIDSON FXCW
- 2008 to 2011 HARLEY\-DAVIDSON FXCWC
- 2006 to 2010 HARLEY\-DAVIDSON FXD
- 2006 HARLEY\-DAVIDSON FXD35
- 2007 to 2018 HARLEY\-DAVIDSON FXDB
- 2016 HARLEY\-DAVIDSON FXDBC 103
- 2006 HARLEY\-DAVIDSON FXDBI
- 2013 HARLEY\-DAVIDSON FXDBP
- 2016 to 2017 HARLEY\-DAVIDSON FXDBP 103
- 2006 to 2014 HARLEY\-DAVIDSON FXDC
- 2006 HARLEY\-DAVIDSON FXDCI
- 2008 to 2017 HARLEY\-DAVIDSON FXDF
- 2009 HARLEY\-DAVIDSON FXDFSE
- 2010 HARLEY\-DAVIDSON FXDFSE2
- 2006 HARLEY\-DAVIDSON FXDI
- 2006 to 2017 HARLEY\-DAVIDSON FXDL
- 2006 HARLEY\-DAVIDSON FXDLI
- 2016 to 2017 HARLEY\-DAVIDSON FXDLS
- 2019 to 2020 HARLEY\-DAVIDSON FXDRS
- 2007 HARLEY\-DAVIDSON FXDSE
- 2008 HARLEY\-DAVIDSON FXDSE2
- 2007 to 2008 HARLEY\-DAVIDSON FXDWG
- 2010 to 2011 HARLEY\-DAVIDSON FXDWG
- 2013 to 2014 HARLEY\-DAVIDSON FXDWG
- 2016 to 2017 HARLEY\-DAVIDSON FXDWG
- 2006 HARLEY\-DAVIDSON FXDWGI
- 2018 to 2019 HARLEY\-DAVIDSON FXFB
- 2018 to 2023 HARLEY\-DAVIDSON FXFBS
- 2018 to 2020 HARLEY\-DAVIDSON FXLR
- 2020 to 2024 HARLEY\-DAVIDSON FXLRS
- 2022 to 2024 HARLEY\-DAVIDSON FXLRST
- 2022 HARLEY\-DAVIDSON FXRST
- 2011 to 2012 HARLEY\-DAVIDSON FXS
- 2013 to 2018 HARLEY\-DAVIDSON FXSB
- 2013 to 2014 HARLEY\-DAVIDSON FXSBSE
- 2016 to 2017 HARLEY\-DAVIDSON FXSE
- 2006 to 2011 HARLEY\-DAVIDSON FXST
- 2020 to 2024 HARLEY\-DAVIDSON FXST
- 2006 to 2009 HARLEY\-DAVIDSON FXSTB
- 2006 HARLEY\-DAVIDSON FXSTBI
- 2007 to 2010 HARLEY\-DAVIDSON FXSTC
- 2006 to 2007 HARLEY\-DAVIDSON FXSTD
- 2006 HARLEY\-DAVIDSON FXSTDI
- 2006 HARLEY\-DAVIDSON FXSTI
- 2006 to 2007 HARLEY\-DAVIDSON FXSTS
- 2006 HARLEY\-DAVIDSON FXSTSI
- 2007 HARLEY\-DAVIDSON FXSTSSE
- 2008 HARLEY\-DAVIDSON FXSTSSE2
- 2009 HARLEY\-DAVIDSON FXSTSSE3

JSON: [/v1/bulletins/10254115](/v1/bulletins/10254115)

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