Harley-Davidson Street, XG

Brake fluid capacity & service interval

Harley-Davidson Street, XG models require brake fluid with a capacity range between min and max. Service intervals include checking at 8000 km and changing every 24 months. The data covers 5 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
XG500 Street 500 (2017-2020)
  • Use: Normal
  • Between min and max.
  • Check 8000 km
  • Change 24 months
XG750 Street (2017-2020)
  • Use: Normal
  • Between min and max.
  • Check 8000 km
  • Change 24 months
XG750A Street Rod (2017-2020)
  • Use: Normal
  • Between min and max.
  • Check 8000 km
  • Change 24 months
XG500 Street 500 (2015-2016)
  • Use: Normal
  • Between min and max.
  • Check 8000 km
  • Change 24 months
XG750 Street 750 (2015-2016)
  • Use: Normal
  • Between min and max.
  • Check 8000 km
  • Change 24 months

Additional Notes

  • Across all five configurations of the Harley-Davidson Street XG lineup, brake fluid capacity is expressed as a range rather than a fixed volume, with the reservoir to be filled between the marked minimum and maximum levels on the hydraulic brake system.
  • The min-to-max fill convention is standard for hydraulic brake reservoirs, where fluid level naturally drops slightly as brake pads wear and the caliper pistons extend further, making a range specification more practical than a single target volume.
  • Every configuration in the XG lineup shares an identical check interval of 8,000 km under normal use conditions, applying equally to the XG500, XG750, and XG750A Street Rod.
  • The change interval for brake fluid is set at 24 months across all configurations, meaning the replacement schedule is governed by elapsed time rather than distance traveled, which reflects the hygroscopic nature of brake fluid and its tendency to absorb moisture over time regardless of mileage.
  • The XG500 Street 500 spans two distinct specification entries, covering 2015-2016 and 2017-2020 separately, yet both entries carry identical check and change intervals, indicating no revision to brake fluid service requirements between those model year groups.
  • The XG750A Street Rod, introduced in the 2017-2020 entry, shares the same 8,000 km check interval and 24-month change interval as the standard XG750 Street covering the same years, despite being a distinct model variant within the lineup.

Other Systems