Yamaha TDR 125

Coolant capacity & service interval

Yamaha TDR 125 coolant capacity ranges from 0,35 to 1,05 liters. Service intervals require a change every 24000 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
TDR 125, 5ANC (2002-2002)
  • Use: Normal
  • Capacity 0,35 liter (Reservoir)
  • Capacity 1,05 liter (Total)
  • Change 24000 km/ 24 months
TDR 125, 4GW1 (1993-2001)
  • Use: Normal
  • Capacity 0,35 liter (Reservoir)
  • Capacity 1,05 liter (Total)
  • Change 24000 km/ 24 months

Additional Notes

  • The Yamaha TDR 125 carries a total coolant capacity of 1.05 liters, which represents the full system volume including the engine, radiator, and all passages filled during an overhaul or complete drain.
  • The reservoir capacity is rated at 0.35 liters, a figure relevant to top-up service rather than a full system drain, as the reservoir holds the overflow and expansion volume separate from the main circuit.
  • The total capacity of 1.05 liters is three times the reservoir volume of 0.35 liters, meaning a full coolant replacement requires significantly more fluid than a reservoir-only refill would suggest.
  • The 4GW1 variant, covering 1993-2001, and the 5ANC variant from 2002 share identical coolant capacities of 0.35 liters for the reservoir and 1.05 liters total, indicating no change in cooling system volume between the two configurations.
  • The specified change interval for both variants is 24,000 km or 24 months under normal use conditions, meaning whichever threshold is reached first would trigger a coolant replacement.
  • A 24-month interval reflects the degradation timeline of coolant inhibitors, which lose their anti-corrosion and anti-cavitation properties over time regardless of distance traveled.