# Service bulletin M1692

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: 11026189
- Published by NHTSA: 2025\-12\-05
- Manufacturer's number: M1692
- Manufacturer's date: 2025\-11\-06
- NHTSA component: FUEL/PROPULSION SYSTEM; ENGINE; POWER TRAIN; UNKNOWN OR OTHER

## NHTSA's summary

SERVICE BULLETIN M1692: REVOLUTION MAX OIL SYSTEM SCAVENGE SCREEN. PURPOSE: Initial Release. This bulletin informs dealers that all 2026 Revolution® Max Powertains will come equipped with oil scavenge screens installed in the clutch and water pump cavities of the oil system. Oil scavenge screens prevent debris from entering the oil pump, potentially causing damage that would require additional inspection and repair to the bottom end of Revolution® Max Powertrain.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026189-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026189-9999.pdf)

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

## Components

Engine, Fuel system, Transmission and driveline

## Vehicles listed

- 2021 to 2024 HARLEY\-DAVIDSON RA1250
- 2021 to 2025 HARLEY\-DAVIDSON RA1250S
- 2024 to 2025 HARLEY\-DAVIDSON RA1250SE
- 2025 HARLEY\-DAVIDSON RA1250ST
- 2022 HARLEY\-DAVIDSON RA975
- 2022 HARLEY\-DAVIDSON RA975S
- 2021 to 2025 HARLEY\-DAVIDSON RH1250S
- 2022 to 2025 HARLEY\-DAVIDSON RH975
- 2023 to 2025 HARLEY\-DAVIDSON RH975S
- 2021 HARLEY\-DAVIDSON RS975
- 2021 HARLEY\-DAVIDSON RS975S

JSON: [/v1/bulletins/11026189](/v1/bulletins/11026189)

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