Honda CB 700 Nighthawk S (1984-86)
The Honda CB 700SC Nighthawk S was produced from 1984 to 1986 and had a four-stroke, transverse four-cylinder engine with a capacity of 696cc. It was air-cooled, had a compression ratio of 9.3:1, and was fitted with 4x 34mm Keihin carburetors. The bike was capable of producing 80hp and 45 ft-lb of torque, with a top speed of 146mph. The transmission had six speeds, and the final drive was through a shaft. The frame was a double-downtube, full-cradle frame with a tube/box-section steel swingarm. The front suspension had a 38mm Kayaba Center-axle, air-adjustable fork with tubes, anti-dive valving and 6.3 in. (160mm) of travel, and the rear suspension had dual Kayaba shock absorbers, adjustable for spring preload and rebound damping, producing 4.7 in. (120mm) of rear-wheel travel. The front brakes were 2x 276mm discs with a 2-piston caliper, and the rear brake was a 180mm drum. The bike had a fuel capacity of 16 litres and a consumption average of 49 mpg. The standing 1/4 mile was achieved in 12.0 sec at 110.5 mph. The bike was 2150mm in length, 780mm in width, and had a wheelbase of 1501mm. The seat height was 790mm and had a dry weight of 213kg and a wet weight of 226kg. A link to Shawn T. Samuelson’s Nighthawk page is provided.
Technical specifications:
Make Model: Honda CB 700SC Nighthawk S
Year: 1984-86
Engine: Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity: 696 cc / 42.4 cu-in
Bore x Stroke: 67.9 x 49.4 mm
Cooling System: Air cooled
Compression Ratio: 9.3:1
Induction: 4x 34mm Keihin carburetors
Ignition / Starting: CDI
: Electric
Max Power: 80 hp / 58.4 kW @ 10000 rpm
Max Torque: 45 ft-lb / 61 Nm @ 8000 rpm
Transmission: 6 Speed
Final Drive: Shaft
Frame: Double-downtube, full-cradle frame; tube/box-section steel swing arm
Front Suspension: 38mm Kayaba Center-axle, air-adjustable fork with tubes, anti-dive valving and 6.3 in. (160mm) of travel
Rear Suspension: Dual Kayaba shock absorbers, adjustable for spring preload and rebound damping, producing 4.7 in. (120mm) of rear-wheel travel
Front Brakes: 2x 276mm discs 2 piston caliper
Rear Brakes: 180mm drum
Front Tyre: 100/90 -16
Rear Tyre: 130/90 -16
Dimensions: Length 2150 mm / 84.8 in Width 780 mm / 30.7 in
Wheelbase: 1501 mm / 59.1 in
Seat Height: 790 mm / 31.1 in
Dry Weight: 213 lg / 466 lbs
Wet Weight: 226 kg / 497 lbs
Fuel Capacity: 16 Litres / 4.2 US gal
Consumption Average: 49 mpg
Standing 1/4 Mile: 12.0 sec / 110.5 mph
Top Speed: 146 mph
Related link: Shawn T. Samuelson’s Nighthawk Page
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