Is Bajaj Discover 125 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
CBS
petrol
CBS Disc
petrol
Disc
petrol
| Variant | Fuel | E20 Status |
|---|---|---|
| CBS | petrol | ✓E20 Compatible |
| CBS Disc | petrol | ✓E20 Compatible |
| Disc | petrol | ✓E20 Compatible |
Other Bajaj models
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Open Mileage CalculatorBajaj Discover 125 E20 FAQ
Does Bajaj Discover 125 support E20 fuel?
Bajaj cleared the Discover 125 for E20 fuel from April 2023. Engine calibration and fuel system materials are optimized for ethanol blends.
How much mileage will I lose on E20 with Discover 125?
Riders report about 3-5% lower mileage on E20. This is normal because ethanol contains roughly 33% less energy than petrol per litre. With a 20% blend, the net impact is manageable.
Can E20 harm the Discover 125's fuel system?
The Discover 125's fuel system is built for E20. No corrosion or seal degradation when using E20 in a compatible model. Replace fuel filters on schedule.