Can't recognize it and actually doubting it could be a font, more likely a custom lettering, which actually makes sense when we know we're talking about Harley Davidson. 2 you might like as substitute: Speedway A&S, Ragged Brad LHF

Thank for your quick reply Ryuk, after browsing through my font library I´ve now decided on using LHF Sarah Script

Sarah Script is nice choice. Adding Snapper Script A&S to my previous suggestions, probably the closest you could get.