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Service bulletin M1601

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 id10242139
Published by NHTSA2023-09-09
Manufacturer's numberM1601
Manufacturer's date2023-08-10
NHTSA componentSERVICE BRAKES, HYDRAULIC; UNKNOWN OR OTHER

NHTSA's summary

SERVICE BULLETIN M1601: CORRECTION TO 2023 CVO SERVICE MANUAL FRONT BRAKE DISC SCREW TORQUE. PURPOSE: This bulletin informs dealers that Harley-Davidson has identified an incorrect torque specification in the 2023 CVO Service Manual. Chapter 3, Front Wheel section, Front Brake Disk Screw torque update: • Incorrect Torque: 15–16 ft-lbs (19.9–22.1 N·m) • Correct Torque: 20–22 ft-lbs (27–30 N·m).

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

Brakes

Vehicles listed
HARLEY-DAVIDSON FLHXSE2023
HARLEY-DAVIDSON FLTRKSE ANV2023
HARLEY-DAVIDSON FLTRXSE2023

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