RSV4 vs R1 Sound

michael Brooks on Instagram: "You don’t just see a Harley. You hear it first. That uneven, slow rumble wasn’t engineered as a marketing move. It wasn’t designed to stand out. It was mechanical. Early Harley V-twin engines used a shared crankpin, which caused the cylinders to fire unevenly. The result wasn’t smooth or quiet. It had rhythm. Weight. A heartbeat. Riders didn’t hear a mistake. They heard character. Over time, that accidental sound became identity. Power. Presence. Something you could