The perception of the "best sounding" motorcycle can be subjective and dependent on individual preferences. While the Honda CB400F is known for its distinctive and pleasing exhaust note, there are several other motorcycles from the 1970s and beyond that are also celebrated for their exhaust sound. Here are a few notable examples:
Kawasaki Z1 (900): The Kawasaki Z1, introduced in the 1970s, had a four-cylinder engine known for its deep and throaty exhaust note, which many riders and enthusiasts find appealing.
Ducati Desmo V-twins: Ducati motorcycles, particularly the V-twin models with Desmodromic valve systems, are known for their distinctive and powerful exhaust sounds, often characterized by a deep rumble and a unique "L-twin" soundtrack.
Yamaha RD series: The Yamaha RD series, including models like the RD350 and RD400, had two-stroke engines that produced a distinct high-pitched and crisp exhaust note, which many riders find exhilarating.
Triumph Bonneville: The classic Triumph Bonneville, known for its parallel-twin engine, has a distinctive exhaust sound that enthusiasts often describe as a deep rumble with a touch of British character.
It's important to note that the sound of a motorcycle's exhaust is influenced by various factors, including engine configuration, displacement, exhaust design, and personal perception. Additionally, aftermarket modifications, such as different exhaust systems, can alter the sound of a motorcycle.
To determine the "best sounding" motorcycle, it's recommended to listen to various motorcycles in person or through online videos, taking into account personal preferences and the specific characteristics you find appealing in an exhaust note. Keep in mind that sound is just one aspect of a motorcycle's overall performance and riding experience.