Suzuki DR(-Z)

Coolant capacity & service interval

Suzuki DR(-Z) uses coolant with a capacity of 1,25-1,3 liters. Service intervals include checking every 30 hours 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
DR-Z 400 SM (2005- )
  • Use: Normal
  • Capacity 1,25 liter
  • Change 24 months
DR-Z 400 E (2004-2018)
  • Use: Normal
  • Capacity 1,25 liter
  • Check 30 hours
  • Change 24 months
DR-Z 400 S (2004- )
  • Use: Normal
  • Capacity 1,25-1,3 liter
  • Change 24 months
DR-Z 400 E (2000-2003)
  • Use: Normal
  • Capacity 1,25 liter
  • Check 30 hours
  • Change 24 months
DR-Z 400 S (2000-2004)
  • Use: Normal
  • Capacity 1,25 liter
  • Change 24 months

Additional Notes

  • All three DR-Z 400 variants — the E, S, and SM — share a 1.25-liter coolant capacity as their baseline figure, reflecting the common liquid-cooled engine architecture across the DR-Z 400 lineup.
  • The Suzuki DR-Z 400 S from 2004 onward carries a capacity range of 1.25–1.3 liters, a slight variation from the fixed 1.25-liter figure specified for the 2000-2004 model years of the same variant.
  • A capacity range such as 1.25–1.3 liters typically accounts for minor differences in fill level depending on bleeding procedure or system configuration, rather than a fundamental change in cooling system volume.
  • The DR-Z 400 E across both its 2000-2003 and 2004-2018 production spans carries an identical specification: 1.25-liter capacity, a 30-hour check interval, and a 24-month change interval.
  • The 30-hour check interval on the DR-Z 400 E reflects an hours-based maintenance schedule common to off-road and enduro motorcycles, where engine operating hours are a more practical measure of wear than calendar time or mileage.
  • The DR-Z 400 S and DR-Z 400 SM specifications list only a 24-month change interval without a separate hours-based check interval, distinguishing the service schedule of those variants from the DR-Z 400 E.
  • A 24-month coolant change interval is a time-based schedule, meaning the fluid is replaced regardless of operating hours or distance traveled within that period. Coolant degrades chemically over time, losing its corrosion-inhibiting properties even in low-use conditions.

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