Is Bajaj CT 125X E20 compliant?
Your bike can safely use E20 petrol. You may notice a minor 3-5% mileage difference, which is normal.
E20 compatible from: 2023 onwards
Expected mileage impact: 3-5% reduction(NITI Aayog two-wheeler data)
Bajaj Auto's Sumeet Narang confirmed ALL Bajaj motorcycles, including those made over 10 years ago, are fully E20 compatible with unchanged warranty terms. Bajaj cited their Brazil experience with E27 fuel as evidence. Source: Bajaj Auto E20 Compatibility Confirmation (BikeDekho, Jul 2026)
Variant-wise E20 compliance status
Disc
petrol
Drum
petrol
| Variant | Fuel | E20 Status |
|---|---|---|
| Disc | petrol | ✓E20 Compatible |
| Drum | petrol | ✓E20 Compatible |
Other Bajaj models
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Open Mileage CalculatorBajaj CT 125X E20 FAQ
Does the CT 125X by Bajaj accept E20?
E20 compatible since April 2023. The Bajaj CT 125X uses ethanol-resistant fuel system parts and calibrated ECU.
Does E20 hurt CT 125X fuel efficiency?
Expect roughly 3-5% less km/l on E20. The CT 125X's engine calibration ensures smooth operation despite the slightly lower energy content in E20 fuel.
Can E20 degrade CT 125X fuel components?
The CT 125X handles E20 without damage. Ethanol-resistant fuel system design prevents the corrosion and seal swelling that affects older, non-compatible bikes.