# Service bulletin M1600

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: 10242096
- Published by NHTSA: 2023\-09\-09
- Manufacturer's number: M1600
- Manufacturer's date: 2023\-08\-10
- NHTSA component: ENGINE AND ENGINE COOLING; POWER TRAIN

## NHTSA's summary

SERVICE BULLETIN M1600: 2023 MILWAUKEE EIGHT OIL PAN FASTENER CHANGE. PURPOSE: This bulletin informs dealers that there is a running change for the oil pan fastener on all Milwaukee\-Eight powered Softail and Touring models. As of Monday July 31, 2023, Powertrain Operations \(PTO\) in Menomonee Falls, WI is building all Milwaukee\-Eight Softail and Touring powertrain models with new oil pan fasteners \(Part No. 12600369\). The old fasteners \(Part No. 4741A\) will still remain available for dealer purchase. The oil pans for the Softail and Touring models were updated to accept the new fastener geometry. Their Part Numbers have been superseded to \(\-A\). Touring will be \(Part No. 24400180A\) and Softail will be \(Part No. 24400208A\). The new fastener will not fit with an old oil pan but the old hardware will still be available for dealer purchase. The old fastener CAN be used with a new \(\-A\) oil pans. The fastener torque has not been changed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242096-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242096-9999.pdf)

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

## Components

Engine, Transmission and driveline

## Vehicles listed

- 2018 to 2020 HARLEY\-DAVIDSON FLDE
- 2018 to 2019 HARLEY\-DAVIDSON FLFB
- 2018 to 2023 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
- 2018 to 2021 HARLEY\-DAVIDSON FLHC
- 2018 to 2023 HARLEY\-DAVIDSON FLHCS
- 2018 HARLEY\-DAVIDSON FLHCS ANV
- 2023 HARLEY\-DAVIDSON FLHCS ANV
- 2023 HARLEY\-DAVIDSON FLHFB
- 2017 to 2023 HARLEY\-DAVIDSON FLHP
- 2017 to 2022 HARLEY\-DAVIDSON FLHR
- 2017 HARLEY\-DAVIDSON FLHR / ROAD KING
- 2017 to 2023 HARLEY\-DAVIDSON FLHRXS
- 2019 to 2022 HARLEY\-DAVIDSON FLHT
- 2017 to 2019 HARLEY\-DAVIDSON FLHTCU
- 2017 HARLEY\-DAVIDSON FLHTCUL
- 2017 HARLEY\-DAVIDSON FLHTCUTC
- 2017 to 2023 HARLEY\-DAVIDSON FLHTCUTG
- 2018 HARLEY\-DAVIDSON FLHTCUTG ANV
- 2023 HARLEY\-DAVIDSON FLHTCUTGANV
- 2019 to 2022 HARLEY\-DAVIDSON FLHTCUTGSE
- 2017 to 2023 HARLEY\-DAVIDSON FLHTK
- 2018 HARLEY\-DAVIDSON FLHTK ANV
- 2020 to 2023 HARLEY\-DAVIDSON FLHTK SHRINE
- 2023 HARLEY\-DAVIDSON FLHTKANV
- 2017 to 2019 HARLEY\-DAVIDSON FLHTKL
- 2017 to 2021 HARLEY\-DAVIDSON FLHTKSE
- 2018 HARLEY\-DAVIDSON FLHTKSE ANV
- 2017 to 2023 HARLEY\-DAVIDSON FLHTP
- 2017 to 2023 HARLEY\-DAVIDSON FLHX
- 2018 HARLEY\-DAVIDSON FLHX ANV
- 2018 HARLEY\-DAVIDSON FLHX ANX
- 2017 to 2023 HARLEY\-DAVIDSON FLHXS
- 2023 HARLEY\-DAVIDSON FLHXSANV
- 2017 to 2023 HARLEY\-DAVIDSON FLHXSE
- 2022 to 2023 HARLEY\-DAVIDSON FLHXST
- 2017 to 2023 HARLEY\-DAVIDSON FLRT
- 2018 to 2022 HARLEY\-DAVIDSON FLSB
- 2018 to 2021 HARLEY\-DAVIDSON FLSL
- 2020 to 2023 HARLEY\-DAVIDSON FLTRK
- 2022 HARLEY\-DAVIDSON FLTRKSE
- 2023 HARLEY\-DAVIDSON FLTRKSE ANV
- 2023 HARLEY\-DAVIDSON FLTRT
- 2017 to 2019 HARLEY\-DAVIDSON FLTRU
- 2017 to 2023 HARLEY\-DAVIDSON FLTRX
- 2017 to 2023 HARLEY\-DAVIDSON FLTRXS
- 2023 HARLEY\-DAVIDSON FLTRXSANV
- 2018 to 2023 HARLEY\-DAVIDSON FLTRXSE
- 2022 to 2023 HARLEY\-DAVIDSON FLTRXST
- 2018 to 2020 HARLEY\-DAVIDSON FXBB
- 2021 to 2023 HARLEY\-DAVIDSON FXBBS
- 2018 to 2019 HARLEY\-DAVIDSON FXBR
- 2023 HARLEY\-DAVIDSON FXBR
- 2018 to 2020 HARLEY\-DAVIDSON FXBRS
- 2022 to 2023 HARLEY\-DAVIDSON FXBRS
- 2018 HARLEY\-DAVIDSON FXBRS ANX
- 2018 HARLEY\-DAVIDSON FXDB
- 2019 to 2020 HARLEY\-DAVIDSON FXDRS
- 2018 to 2019 HARLEY\-DAVIDSON FXFB
- 2018 to 2023 HARLEY\-DAVIDSON FXFBS
- 2018 to 2020 HARLEY\-DAVIDSON FXLR
- 2020 to 2023 HARLEY\-DAVIDSON FXLRS
- 2022 to 2023 HARLEY\-DAVIDSON FXLRST
- 2022 HARLEY\-DAVIDSON FXRST
- 2018 HARLEY\-DAVIDSON FXSB
- 2020 to 2023 HARLEY\-DAVIDSON FXST

JSON: [/v1/bulletins/10242096](/v1/bulletins/10242096)

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