The Milwaukee Journal Sentinel reports that company officials told employees Thursday there are significant "cost gaps" that must be filled.
Harley spokesman Bob Klein says the company's preference is to keep the production operations in Wisconsin. But he says the company will also explore other U.S. sites in case it can't achieve the type of "concrete workable solutions," it needs.
Hundreds of Milwaukee jobs could be at risk.
The Milwaukee-based company has struggled with sluggish sales, particularly of its high-end bikes. It reported last week that its first-quarter profit plunged 72 percent.