Honda CB700SC Nighthawk 700S: history, specs, pictures
|Also called||CB 700 SC Nighthawk S|
|Engine||696cc in-line four, four-stroke|
|Bore / Stroke||67.9mm x 49.4mm|
|Top speed||147 mph (236 km/h)|
|Horse Power||78.32 HP (58.4 KW) @ 10000RPM|
|Torque||44.99 ft/lbs (61.0 Nm) @ 8000RPM|
|Fuel system||carburetor. keihin 31 mm constant-vacuum|
|Sparkplug||NGK DPR8EA-9 '84-86|
|Battery||YUASA YB14L-A1 '84-86|
|Transmission||Gear box: 6-speed |
Final Drive: shaft drive (cardan)
|Brakes||Front: double disc |
Rear: expanding brake (drum brake)
|Weight||468.92 pounds (212.7 Kg)|
|Fuel capacity||4.2 Gallon (15.89 Liters)|
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The Honda CB700SC is a motorcycle produced by Honda from 1984 to 1986 and more commonly known as the Nighthawk 700S. It could reach a top speed of 147 mph (236 km/h). Max torque was 44.99 ft/lbs (61.0 Nm) @ 8000 RPM. Claimed horsepower was 78.32 HP (58.4 KW) @ 10000 RPM.
Although the Honda Nighthawk CB750SC Motorcycle had been introduced in 1982, the 700 cc Nighthawk debuted two years later. In fact, the 1984 750 and 700 were almost identical except for the engine size. In Canada, for instance, the dealers opted for the 750 rather than the 700 because Canada did not have the tariffs that the U.S. imposed on motorcycles over 700 cc.
While its ancestor, the 650 Nighthawk, had a standard Motorcycle style, the 700 had angular lines capped by a small "bikini" fairing and a smaller (16 inch) front wheel which was the rage for sportbikes. The bike came only in black with either red or blue accent panels.
The engine was a larger version of the 650 Nighthawk's double-overhead cam, four cylinder with hydraulic lifters which virtually eliminated valve adjustments. The exhaust was a four-into-two finished in black chrome. The engine was enameled mostly in black with chrome trim. Other components normally chromed were also enameled in black including the lower fork legs, handlebars, and rear grab rails.
Since full-tilt sportbikes of the era were gravitating toward a more radical look with full fairings and crouched seating positions, the Nighthawk filled the gap between sport and standard motorcycles. Though a good compromise and a capable performer, the 700 Nighthawk was phased out after the 1986 model.
The engine was a oil & air cooled in-line four, four-stroke. A 67.9mm bore x 49.4mm stroke result in a displacement of just 696.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).
The bike has a 6-speed transmission. Power was moderated via the hydrolic.
Stopping was achieved via double disc in the front and a expanding brake (drum brake) in the rear. The CB700SC Nighthawk S was fitted with a 4.2 Gallon (15.89 Liters) fuel tank. The bike weighed just 468.92 pounds (212.7 Kg).
The CB700SC'84 Nighthawk "S" was sold in 1984 in one of two color schemes: Black with Red or Black with Blue. The color panels were on the tank, side covers, rear fender, and fairing. The color panels were outlined with a color matching pinstripe. The left side fork leg was black with a white "TRAC" logo. The engine was a 696cc DOHC 4-valve inline four linked to a 6-speed transmission and driving a shaft to the rear wheels. The serial number began JH2RC200*EM000014.
The CB700SC'85 Nighthawk "S" was sold in 1985 in one of two color schemes: Black with Red or Black with Blue. The color panels were outlined with white pinstripes. The left side fork leg was solid black. The speedometer numbers were in increments of 10 (e.g., 15, 25, 35, 45, etc.). The engine was a 696cc DOHC 4-valve inline four linked to a 6-speed transmission and driving a shaft to the rear wheels. The serial number began JH2RC200*FM100001.
The CB700SC'86 was sold in 1986 and came in one of two color schemes: Black with Candy Alamoana Red or Candy Aleutian Blue with Shasta White. The black bike had red panels outlined with orange stripes; but the blue bike had white panels outlined with red stripes. The wheels, engine, and "velocity stack" covers were solid black. The left side fork leg was solid black. The speedometer numbers were in increments of 10 (e.g., 15, 25, 35, 45, etc.). The engine was a 696cc DOHC 4-valve inline four linked to a 6-speed transmission and driving a shaft to the rear wheels. The serial number began JH2RC200*GM200001
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