In 1984, the Japanese motorcycle manufacturer launched the Honda CB650SC Nighthawk, a standard machine part of the CB series in Honda's range that was manufactured and sold between 1982 and 1985 in the US market.
The CB650SC Nighthawk was first released in 1982 as a replacement for the CB560 Custom motorcycle, while in 1983, it came with a new DOHC engine that replaced the SOHC unit used from 1979 to 1982 on the CB650 model.
The 1984 Nighthawk was available in one of two colors, such as Pearl Siren Blue and Candy Wineberry Red. Other unique features of the bike were highlighted by the headlight that was rectangular instead of the round units packed by its earlier predecessors and instrument panel.
Also, the exhaust was a four-into-two system instead of the four-into-four previously used, the front fork had the TRAC anti-dive system, the emblem was located above the axle, the speedometer numbers were increments of 10, and the engine used hydraulic valve-lash adjusters.
As for standard features, the bike packed an analog instrument cluster, a chromed dual exhaust system, a dual seat with a passenger grab handle, a side stand, and lightweight cast aluminum wheels.
In the performance department, the 1984 Honda CB650SC Nighthawk had its soul brought to life by a 626cc four-stroke four-cylinder air/oil-cooled engine fed by four Keihin carburetors, delivered an output power of 50 hp with maximum strength at 8,000 rpm and 49 Nm (36 lb-ft) of torque available at 6,500 rpm.