The Yamaha RD350B was substantially modified before it was produced in India as the Rajdoot 350. The engine was detuned, the carburettors were rejetted for fuel economy rather than performance, the front disc brake was substituted for a cheaper 180 mm TLS drum brake, the instruments are copies of the older Yamaha R5, the alternator has less output and the tank graphics are re-badged "Rajdoot" and not "Yamaha".
The Yamaha RD350B underwent significant changes before being manufactured in India as the Rajdoot 350. The engine was down-tuned, the carburetors were adjusted for fuel efficiency rather than speed, the front disc brake was replaced with a more affordable 180 mm TLS drum brake, the instruments are replicas of the older Yamaha R5, the alternator has reduced output, and the tank graphics were rebranded as "Rajdoot" instead of "Yamaha".