Service bulletin M1450

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.

NHTSA's summary

SERVICE BULLETIN M1450: MILWAUKEE-EIGHT EQUIPPED VEHICLES - LOSS OF POWER OR HIGH ENGINE BRAKING. PURPOSE: Revision. 2017 - 2019 model motorcycles equipped with a Milwaukee-Eight™ engine can experience a condition known as sumping during extended periods at high rpm or under heavy engine load. This bulletin provides the diagnostic procedure for determining if sumping is occurring.

The document

• NHTSA's copy of the document (PDF)
• If that address does not open, try this one

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, Transmission and driveline

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

• Bulletins for another vehicle
• Report an error on this page
• Report an error by email