India, Feb. 19 -- Royal Enfield has begun offering E20-compatible carburettor kits for its older, non E20 compliant motorcycles. At present, the kits are available for the Classic 350, Bullet 350, Thunderbird and Electra range, covering both BS3 and BS4 models.

The E20-compliant carburettor for BS3 motorcycles is priced at around Rs.3,000, while the BS4 version costs approximately Rs.4,000. Installation will involve additional labour charges. For the fuel-injected 500 cc models, the company has also introduced updated injectors priced at Rs.2,500. These prices may vary and are subject to revision.

The updates mainly include revised seals, rubber components and certain internal parts to improve compatibility with E20 fuel. Ethanol, which...