Honda MSX

Brake fluid capacity & service interval

Honda MSX uses brake fluid with a capacity range between min and max. Service intervals include a change every 24 months and a check every 6000 km or 12 months. The data covers 3 configurations.

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

TypeSpecifications
MSX 125 GROM E5 (2021- )
  • Use: Normal
  • Between min and max.
  • Check 6000 km/ 12 months
  • Change 24 months
MSX 125 (2017-2020)
  • Use: Normal
  • Between min and max.
  • Check 6000 km/ 12 months
  • Change 24 months
MSX 125 (2013-2016)
  • Use: Normal
  • Between min and max.
  • Change 24 months

Additional Notes

  • The Honda MSX brake fluid level is maintained between the minimum and maximum marks on the reservoir, which is the standard method for monitoring hydraulic brake fluid without draining the system.
  • Across all three configurations, the brake fluid change interval is set at 24 months under normal use conditions, meaning time elapsed is the governing factor rather than distance traveled.
  • The 2013-2016 MSX 125 specification does not include a periodic inspection interval, whereas the 2017-2020 MSX 125 adds a check interval of every 6,000 km or 12 months alongside the same 24-month change interval.
  • The MSX 125 GROM E5 from 2021 onward carries the same check interval of 6,000 km or 12 months and the same 24-month change interval as the 2017-2020 model, indicating continuity in service scheduling between those two generations.
  • The 6,000 km or 12-month check interval introduced from 2017 onward reflects a dual-trigger approach, where whichever threshold is reached first prompts an inspection of the brake fluid condition and level.
  • Brake fluid in hydraulic systems is hygroscopic, meaning it absorbs moisture over time, which is why the 24-month change interval is time-based rather than mileage-based across all MSX configurations listed.