Honda Nighthawk 700 (CB700SC) Motorcycles

1984 CB700SC’84 Nighthawk “S”

Engine
Engine Type	Four-stroke, transverse four cylinders; air-cooled with two chain-driven overhead camshafts (DOHC)
Bore and Stroke	67.9 mm x 49.4 mm
Valves	4 valves/cylinder
Displacement	696cc (42.5 cu. in.)
Compression Ratio	9.3:1
Fuel Delivery	(4) Keihin 31 mm constant-vacuum
Ignition System	Battery-powered, inductive, magnetically triggered
Exhaust system	Four into two
Air filtration	Disposable paper element
Oil filtration	Disposable paper element (Fram PH6010A)
Oil capacity	2.8 litres (2.9 qt)
Horsepower	80 hp (59.7 kW) @ 10000 rpm
Maximum Torque	61 Nm (45 ft. lbs) @ 8000 rpm
Electrical Power source	Three-phase AC generator, 280 watts
Charge control	Solid-state voltage regulator
Battery	12V / 14AH
DRIVETRAIN
Transmission	6-speed, constant-mesh, wet clutch
Final Drive	Straight-cut gear; 73/41, 1.78
Secondary drive	Bevel gear; 19/16, 1.19
Final drive	Shaft and bevel gears; 34/10, 3.40
Transmission gear ratios	(1) 38/17, 2.24 (2) 34/22, 1.55 (3) 31/25, 1.24 (4) 28/27, 1.04 (5) 26/30, 0.87 (6) 24/32, 0.75
Final gear ratios	(1) 16.13 (2) 11.16 (3) 8.93 (4) 7.49 (5) 6.26 (6) 5.40
CHASSIS / SUSPENSION / BRAKES
Chassis Type	Double-downtube, full-cradle frame; tube/box-section steel swing arm
Front Suspension	Center-axle, air-adjustable fork with 39mm tubes, anti-dive valving and 6.3 in. (160mm) of travel
Rear Suspension	Two shock absorbers, adjustable for spring preload and rebound damping, producing 4.7 in. (120mm) of rear-wheel travel
Front Tire	110/90-16 Bridgestone Mag Mopus G511
Rear Tire	130/90-16 Bridgestone Mag Mopus G508
Front Brakes	Hydraulic, dual-disc with twin-piston calipers
Rear Brakes	Rod-actuated single leading shoe drum
DIMENSION
Rake/trail	30.0 deg/4.8 in. (122mm)
Wheelbase	1485 mm (58.5 inches)
Front Wheel	Cast, 2.50 x 16
Rear Wheel	Cast, 3.00 x 16
Seat height	806mm (31.8 in.)
Ground clearance	133mm (5.3 in.)
Fuel capacity (main/reserve)	13.5/2.5 litres (3.6/0.7 gal. US )
Curb weight (full tank)	234.1 kg (516 lb.)
Dry weight	(without fluids): 213 kg (469.6 pounds)
Headlight beams (high/low)	60/55 watts
Tail/stoplights	8/24 watts
OTHER
Color	Black with Red 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 serial number began JH2RC200*EM000014.

1985 CB700SC’85 Nighthawk “S”

• It came 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.

1986 CB700SC

• It 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

700 (CB700SC) Image Gallery