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Service bulletin 1HD-X4C5X-12

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 id10125155
Published by NHTSA2017-12-14
Manufacturer's number1HD-X4C5X-12
Manufacturer's date2017-11-09
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1069: SCREAMIN' EAGLE STAGE UPGRADES FOR 2018 SPORT GLIDE NOT APPROVED FOR USE IN CALIFORNIA. Purpose: To notify California dealer of unforeseen certification delays for Stages I - IV on the 2018 Sport Glide model, FLSB, for California.

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

Vehicles listed
HARLEY-DAVIDSON FLSB2018

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