Installing an aftermarket tachometer on a Harley-Davidson motorcycle is unlikely to void the entire warranty of the motorcycle. However, it's important to note that modifying certain components of the motorcycle, including the electrical system, can potentially affect the warranty coverage for those specific components.
To get accurate information about the impact of installing an aftermarket tachometer on your specific Harley-Davidson model, it's best to consult the warranty documentation provided by the manufacturer or contact an authorized Harley-Davidson dealership. They will be able to provide you with the most accurate and up-to-date information regarding warranty coverage and any potential implications of modifications.
Harley-Davidson or any other motorcycle manufacturer may have specific guidelines or requirements regarding aftermarket modifications, and it's essential to adhere to these guidelines to maintain warranty coverage. By consulting with the manufacturer or authorized dealership, you can ensure that you make informed decisions about modifications while maintaining your warranty rights to the fullest extent possible.