Story overview
Royal Enfield has launched affordable E20 conversion kits for BS3 and BS4 carburetted UCE models like Classic 350, Bullet 350, and Thunderbird, tackling compatibility issues with India’s new 20% ethanol-blended petrol.
Highlights
News Story
Royal Enfield has launched affordable E20 conversion kits for BS3 and BS4 carburetted UCE models like Classic 350, Bullet 350, and Thunderbird, tackling compatibility issues with India’s new 20% ethanol-blended petrol. Priced at Rs 1,700 for BS4 kits, these upgrades ensure long-term reliability amid rising E20 adoption.
Why E20 Kits Matter
Post-BS6 (2020), RE’s modern lineup is fully E20-compliant, but older carburetted 350cc/500cc UCE engines face accelerated wear from ethanol’s corrosive effects on rubber seals, fuel lines, and metal parts. The retrofit replaces vulnerable components with ethanol-resistant O-rings, tubes, seals, and gaskets – preventing leaks, clogs, and breakdowns.
Kit Details and Pricing
BS4 Models: Complete Rs 1,700 kit available at authorized service centers.
BS3 Models: Similar upgrades recommended.
500cc UCE: No dedicated kit; targeted fuel system components advised for blockages.
Installation straightforward at RE service networks, though stock varies – contact your dealer ahead.
Broader Impact
With E20 rollout accelerating, this proactive move safeguards RE’s massive legacy fleet while extending engine life. Perfect for owners of popular UCE-era bikes enjoying India’s roads worry-free!
Service your Classic/Bullet today – E20-ready future secured.





