Service bulletin M1553
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 | 10228745 |
| Published by NHTSA | 2023-01-05 |
| Manufacturer's number | M1553 |
| Manufacturer's date | 2022-12-12 |
| NHTSA component | EQUIPMENT; ENGINE AND ENGINE COOLING |
NHTSA's summary
SERVICE BULLETIN M1553: REVOLUTION MAX SPECIAL TOOL HD-53023 UPDATE. PURPOSE: To inform dealers that Harley-Davidson has updated the Camshaft Chain Retraction tool for all Revolution® Max powertrains. The original tool (Part No. HD-53023) was made with a wire gauge too large to fit into the camshaft chain tensioner access hole without modification. A new Camshaft Chain Retraction tool (Part No. HD-53023-A) will be shipped to dealers at no charge. Vehicles Affected: All 2021 through 2023 Revolution® Max powered vehicles.
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, Equipment and accessories
| HARLEY-DAVIDSON RA1250 | 2021 to 2022 |
|---|---|
| HARLEY-DAVIDSON RA1250S | 2021 to 2022 |
| HARLEY-DAVIDSON RH1250S | 2021 to 2022 |
| HARLEY-DAVIDSON RH975 | 2022 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.