KTM 400

Brake fluid capacity & service interval

KTM 400 uses brake fluid with a capacity range between min and max. Service intervals require a change every 12 months. The data covers 6 configurations.

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

TypeSpecifications
400 EXC (2005-2007)
  • Use: Normal
  • Between min and max.
  • Change 12 months
400 MXC (2005-2006)
  • Use: Normal
  • Between min and max.
  • Change 12 months
400 SX (2005-2006)
  • Use: Normal
  • Between min and max.
  • Change 12 months
400 EXC (2000-2004)
  • Use: Normal
  • Between min and max.
  • Change 12 months
400 MXC (2000-2004)
  • Use: Normal
  • Between min and max.
  • Change 12 months
400 SX (2000-2004)
  • Use: Normal
  • Between min and max.
  • Change 12 months

Additional Notes

  • The KTM 400 brake fluid specification applies to hydraulic brake systems across all listed variants, covering the EXC, MXC, and SX model lines from 2000 through 2007.
  • Rather than a fixed volume fill quantity, the capacity specification calls for fluid level to sit between the minimum and maximum reservoir marks. This range-based approach accounts for normal fluid expansion and contraction during temperature changes in hydraulic systems.
  • All six configurations share an identical 12-month change interval under normal use conditions, meaning calendar time rather than mileage or hours of operation governs the service schedule for brake fluid across the entire 400 lineup.
  • Brake fluid absorbs moisture from the atmosphere over time, a process known as hygroscopic absorption. A time-based interval of 12 months reflects this degradation mechanism, which occurs regardless of how frequently or infrequently the motorcycle is ridden.
  • The EXC variant spans the widest model year range of the three, with specifications covering 2000-2004 and 2005-2007, while the MXC and SX variants each conclude their listed coverage at 2006.
  • The split between the 2000-2004 and 2005-2007 EXC rows, and similarly between the 2000-2004 and 2005-2006 rows for the MXC and SX, represents a generational division in the model lineup rather than any difference in brake fluid capacity or service interval, as the specifications remain consistent across both periods for each variant.

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