The ideal idle RPM (revolutions per minute) for a Royal Enfield Thunderbird 350 typically falls within the range of 1200 to 1400 RPM. This range ensures a stable and smooth idle for the motorcycle.
It's recommended to consult the owner's manual or reach out to an authorized Royal Enfield service center for the most accurate information and guidance regarding the ideal idle RPM for your Thunderbird 350 model. They can provide you with specific recommendations based on the model year and any updates or variations that may exist.
Proper maintenance and regular servicing of your Thunderbird 350 will also help ensure optimal performance and idle RPM.