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India now has four flex fuel motorcycles on sale, from commuter bikes to sports machines, as manufacturers have responded to the government's ethanol push. Hero MotoCorp, Yamaha, and Suzuki have each launched a flex fuel version of an existing model between early 2025 and July 2026, letting riders run engines on anything from regular E20 petrol up to E85, a blend that's 85 percent ethanol.
The move is important for buyers, since ethanol-blended fuel typically costs less at the pump than pure petrol, even though mileage per litre usually drops a bit. Here's a full breakdown of what's actually on sale, what each bike costs, and what has changed in newer flex fuel bikes.
A flex fuel engine can run on a mix of petrol and ethanol without the rider doing anything differently. Regular India-spec engines are already tuned for E20, a 20 percent ethanol blend that's now mandatory at the pump. Flex fuel engines go further, handling anything up to E85, which needs a different fuel pump, injector calibration, and, in some cases, new seals and filters to resist ethanol's corrosive effects on rubber and metal parts.
The government has been pushing this shift as part of its plan to cut oil import bills and lower vehicle emissions.
For buyers, the appeal is simple: ethanol is produced domestically and is priced lower than petrol. So a flex fuel bike gives you the choice to fill up with whichever is cheaper on a given day.
| Bike | Price (ex-showroom) | Engine |
| Hero HF Deluxe Flex Fuel | Rs 68,792 | 97.2cc, air-cooled, single-cylinder |
| Hero Splendor Plus Flex Fuel | Rs 78,710 | 97.2cc, air-cooled, single-cylinder |
| Yamaha FZ Blue Flex | Rs 1.24 lakh | 149cc, air-cooled, fuel-injected |
| Suzuki Gixxer SF 250 Flex Fuel | Rs 2.16 lakh to 2.26 lakh | 249cc, oil-cooled, single-cylinder |
Keep in mind that prices vary by source and region; Suzuki has not clarified a single fixed ex-showroom price across cities.
Hero MotoCorp got there first among mass-market commuters, launching flex fuel versions of its two best-selling motorcycles, the Splendor Plus flex fuel and HF Deluxe flex fuel, in June 2026. Both retain the familiar 97.2cc engine but get a new fuel pump, a new secondary air filter, and a recalibrated ECU to handle E85 fuel. Power actually goes up slightly compared to the standard E20 bikes, from around 8 hp to 8.6 hp on E85.
These two models together make up close to one in three motorcycles sold in India. Hero's move brings flex fuel to riders who would otherwise never consider it, not just enthusiasts.
The bikes are rolling out first in Delhi and parts of Maharashtra from July 2026, with a nationwide rollout planned after that.
The features have been kept basic on these bikes: a semi-digital instrument cluster, a side-stand engine cut-off, and drum brakes at both ends, with no ABS.
None of these four bikes forces riders into higher running costs. All of them still run fine on regular E20 petrol available at every pump today, so buyers are not locked into using E85 stations, which are still rare across the country.
The real benefit shows up later: as ethanol infrastructure expands, owners of these bikes will have the option to fill up more cheaply when E85 becomes more widely available, something standard petrol bikes simply can't do. For now, the price premium over the standard models is small on the Hero and Yamaha bikes, making them low-risk upgrades.
Buyers should also note that servicing costs and parts availability may vary slightly due to the upgraded fuel systems, so it's worth checking with local dealers before signing the paperwork.
India's flex fuel motorcycle lineup has grown from a single niche product to four bikes spanning Rs 72,700 to over Rs 2 lakh in just over a year. Hero has made the technology nearly free to adopt on its commuter bikes, while Yamaha and Suzuki offer it on more powerful machines for riders who want performance alongside fuel flexibility.
With more manufacturers expected to follow, flex fuel is quickly moving from an experimental technology showcase to a standard option across India's two-wheeler market.
Also Read | Own a Non-E20 Royal Enfield Classic 350? What To Do Now For Smooth Riding In 2026
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