Is Jawa 42 FJ 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)
Jawa (Classic Legends) confirmed E20 compatibility for the Jawa 350, Jawa 42, and Perak from April 2023. All current Jawa models meet BS6 Phase 2 norms with E20-ready fuel systems. Source: Jawa Motorcycles Official Website
Variant-wise E20 compliance status
Aurora Green Matte Alloy Wheel
petrol
Aurora Green Matte Spoke Wheel
petrol
Cosmo Blue Matte
petrol
Deep Black Matte Black Clad
petrol
Deep Black Matte Red Clad
petrol
Mystique Copper
petrol
| Variant | Fuel | E20 Status |
|---|---|---|
| Aurora Green Matte Alloy Wheel | petrol | ✓E20 Compatible |
| Aurora Green Matte Spoke Wheel | petrol | ✓E20 Compatible |
| Cosmo Blue Matte | petrol | ✓E20 Compatible |
| Deep Black Matte Black Clad | petrol | ✓E20 Compatible |
| Deep Black Matte Red Clad | petrol | ✓E20 Compatible |
| Mystique Copper | petrol | ✓E20 Compatible |
Other Jawa models
Calculate your E20 mileage impact.
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Open Mileage CalculatorJawa 42 FJ E20 FAQ
Does E20 petrol work in Jawa 42 FJ?
Jawa officially confirmed the 42 FJ for E20 from April 2023. No modifications needed for E20 petrol use.
Does 42 FJ mileage drop with E20 petrol?
The 42 FJ sees approximately 3-5% lower mileage on E20. This is a direct result of ethanol carrying less energy per litre than pure petrol.
Is long-term E20 use safe for 42 FJ?
The 42 FJ's engine and fuel system are E20 ready. Ethanol-resistant gaskets and hoses prevent corrosion. Service your bike on schedule.