Yes, it is generally possible to replace the seat of a Royal Enfield Bullet 350 with a seat from a Royal Enfield Classic 350. The Bullet 350 and the Classic 350 share many similarities in terms of their overall design and components.
While the basic structure and mounting points of the seats might be similar, there could be variations in dimensions, mounting brackets, or seat latches between different models and generations.
If you are considering swapping seats, it's recommended to consult with a professional motorcycle mechanic or an authorized Royal Enfield service center. They will have the expertise to guide you through the process, ensure compatibility, and make any necessary adjustments to ensure a proper and secure fit.
Additionally, keep in mind that modifying or replacing certain parts of your motorcycle, including the seat, may have implications for your warranty coverage. It's advisable to review your warranty documentation or consult with the manufacturer or authorized service center to understand any potential impacts on your warranty.