Shares in Harley-Davidson slumped 5% in pre-market trading on Tuesday after the company reported lacklustre fourth-quarter results and issued disappointing guidance.
The company reported fourth-quarter net income of $8.31m versus $47.2m in the same period of 2016. Revenue fell to $1.23bn compared with $1.11bn in the prior year.
Harley-Davidson shipped 241,498 motorcycles in 2017, at the lower end of its forecasts of 241,000 to 246,000 units.
Retail sales in the US, its largest market, declined 11.1% to 23,195 units, compared with 2016.