Kawasaki ZRX, ZR

Coolant capacity & service interval

Kawasaki ZRX and ZR models require 3 liters of coolant. Service intervals consist of 24000 km or 24 months and 20000 km or 24 months. The data covers 2 configurations.

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

TypeSpecifications
ZRX 1200 / R / S, ZR1200-A/B/C (2001-2007)
  • Use: Normal
  • Capacity 3 liter
  • Change 20000 km/ 24 months
ZRX 1100, ZR1100-C1 > C4 (1997-2000)
  • Use: Normal
  • Capacity 3 liter
  • Change 24000 km/ 24 months

Additional Notes

  • The ZRX 1100 (ZR1100-C1 through C4, 1997-2000) and ZRX 1200/R/S (ZR1200-A/B/C, 2001-2007) share an identical cooling system capacity of 3 liters, indicating a consistent total system volume across both engine generations.
  • A 3-liter cooling system capacity is a relatively substantial fill for a motorcycle, reflecting the demands of a large-displacement inline-four engine in a sport-naked platform.
  • The ZRX 1100 carries a change interval of 24,000 km or 24 months under normal use conditions, pairing a longer distance threshold with a fixed two-year time limit.
  • The ZRX 1200/R/S reduces the distance-based change interval to 20,000 km while retaining the same 24-month time limit, meaning the calendar interval remained unchanged between the two generations despite the shorter mileage figure.
  • The 4,000 km reduction in the coolant change interval between the 1100 and 1200 variants represents a roughly 17 percent decrease in the distance threshold, applied uniformly across the ZR1200-A, B, and C model codes.