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Service bulletin M1546

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 id10227219
Published by NHTSA2022-12-06
Manufacturer's numberM1546
Manufacturer's date2022-11-18
NHTSA componentENGINE AND ENGINE COOLING; POWER TRAIN

NHTSA's summary

SERVICE BULLETIN M1546: REVOLUTION MAX JIFFY STAND HARDWARE TORQUE CHANGE. PURPOSE: This bulletin informs dealers that a change has been made to the hardware installation procedure for screws securing the jiffy stand on vehicles powered by the Revolution® Max engine. See Figure 1 through Figure 4. When installing all jiffy stand screws, use LOCTITE 243 MEDIUM STRENGTH THREADLOCKER AND SEALANT (BLUE) (99642-97) and tighten to updated torque specification: 20–22 ft-lbs (27–30 N·m). Update all printed service manuals for Revolution® Max products to include the use of threadlocker and updated torque. See https://serviceinfo.harley-davidson.com

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

Vehicles listed
HARLEY-DAVIDSON RA12502021 to 2022
HARLEY-DAVIDSON RA1250S2021 to 2022
HARLEY-DAVIDSON RH1250S2021 to 2022
HARLEY-DAVIDSON RH9752022

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