Bajaj Dominar
Coolant capacity & service interval
Bajaj Dominar coolant capacity ranges from 0,22 to 0,78 liters. Service intervals occur every 30000 km or 36 months. The data covers 1 configuration.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
| Dominar 250 (2020- ) |
|
Additional Notes
- The Bajaj Dominar 250 cooling system is split across two separate reservoirs, with the expansion tank holding 0.22–0.23 liters and the radiator holding 0.75–0.78 liters.
- The combined coolant volume across both the expansion tank and radiator falls within a range of approximately 0.97–1.01 liters, reflecting a relatively modest total capacity consistent with a single-cylinder liquid-cooled engine displacement of 250cc.
- The radiator capacity of 0.75–0.78 liters accounts for the larger share of the total coolant volume, as the radiator serves as the primary heat exchange reservoir in the circuit.
- The expansion tank capacity of 0.22–0.23 liters represents the overflow and thermal expansion buffer, a separate, smaller vessel that accommodates coolant displaced as temperature and pressure rise during operation.
- Under normal use conditions, the coolant change interval is set at 30,000 km or 36 months, whichever comes first, meaning both a distance and a time threshold govern when a fluid replacement is due.