Royal Enfield Classic 350 Flex-Fuel spied testing with E85 support: Details

Royal Enfield Classic 350 Flex Fuel: Royal Enfield seems to be already prepared for what the government is bringing in. Following the recent draft notification issued by the government, which talks about standardising E85 and E100 fuels in the country over the next few years, a new E85-compliant iteration of the Classic 350 (the brands best-seller) has recently been spotted testing in Chennai.

This gives us a hint that OEMs are already preparing to make a smooth transition to cleaner fuels and comply with the rules and regulations set by people at the Lutyen's. Lets discuss more on this hot topic in the article below, but before that make sure to join 91Wheels WhatsApp Community to get such interesting automotive updates. 

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Royal Enfield 350 Flex-Fuel: Updates 

The test mule has been seen testing around Chennai, the very first visual change that appears is the new colour scheme which is not part of the current Classic 350 lineup. Next up is the alloy wheels, the front tyre is equipped with blacked alloy wheels with some chrome/silver finish. Apart from these updates the most intriguing detail is the sticker placed on the fuel tank, bearing the handwritten E85 marking. Which clearly indicates that the test mule spotted is running on the E85 compliant and running on Flex-Fuel. That said, aside from these visible changes, the motorcycle stays largely the same in terms of design, road presence, and mechanical elements.

What To Expect?

The upcoming flex-fuel avatar of the Royal Enfield Classic 350 is expected to carry the same design, hardware, and overall stance as the standard model, engine calibration is expected to support higher ethanol blends like E85. Along with that Royal Enfield is likely to introduce minor visual cues or flex fuel badging to differentiate the model. Mechanically, the focus will remain on ensuring compatibility with cleaner fuels without altering the familiar riding experience of the Classic 350.

OEM Planning 

The recent spy shots of the Royal Enfield 350 Flex-Fuel suggest that the brand was already prepared for this notification, as the test mule surfaced just days after MORTH notification. However, there are other OEMs as well that have already manufactured flex-fuel compliant vehicles. The list includes the Suzuki Gixxer SF 250 Flex Fuel, Honda CB300F Flex Fuel, and Bajaj Pulsar NS160 Flex Fuel (E100), all showcased back in September 2024.

All in all, OEMs are not waiting for any government mandate or notification; instead, they are quietly developing and testing vehicles that align with future fuel sources.

Why E85 Urgency?

If we analyze the timeframe, there is a sense of urgency in the implementation of the E85 fuel mandate. The Indian government is rapidly pushing towards fuels that are cleaner and less polluting. That said, the contrast becomes clear when compared with Brazil. Brazil began ethanol blending in 1976 with E11, gradually moving to E20 by the early 1980s and reaching E25-E27 by the 2000s, a transition that took nearly three decades.

India, on the other hand, introduced its Ethanol Blended Petrol (EBP) programme in 2003, moved to E10 by 2022, and achieved E20 by 2025. The jump creates a void for people who own a non E20 compliant vehicle, and now this E85 mandate notification created a panic among the population. Whereas Brazils gradual translation was widely supported by its automotive ecosystem. The Indian automotive sector doesn't seems to be fully prepared for this shift just yet.

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