HONDA CB650SC Nighthawk (1982-1983) Specs, Performance & Photos

The Honda CB650SC Nighthawk was a standard motorcycle part of the CB series in Honda's range that replaced the Custom model in 1982 and was manufactured and sold from 1982 to 1985 in the American market.

The 1983 Honda CB650SC Nighthawk came with a DOHC engine that replaced the SOHC unit used from 1979 to 1982 on the CB650 standard model and featured hydraulic valve-lash adjusters and a rubber-mounted system that reduced vibrations.

For suspension, the model packed a 39 mm air-assisted Showa telescopic fork on the front and dual Showa shock absorbers with five-way spring preload adjustability and four-way rebound damping adjustability that offered optimum suspension performance.

As for stopping power, the bike featured two 275 mm discs with two-piston calipers on the front and a 180 mm drum braking unit on the rear that provided strong braking performance.

In addition, the model came with standard features, such as an analog instrument panel, a dual seat with a passenger grab handle, a round headlight, a chromed dual exhaust system, a black-finished steel frame, and lightweight cast aluminum wheels.

The 1983 Honda CB650SC Nighthawk was powered by a 626cc four-stroke four-cylinder air/oil-cooled engine fed by four Keihin carburetors and 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.