1982 Nighthawk 750 Specs & Performance

1982 Nighthawk 750

Specs & Performance
1982 CB750SC

MSRP -- $3098

PERFORMANCE

Standing Start 1/4 mile

13.109 seconds @ 102.62 mph

Engine rpm @ 60 mph, top gear

4344

Average fuel consumption rate

42.2 mpg (17.9 km/l

Cruising range, main / reserve

139 / 55 miles

Load capacity (GVWR less curb weight)

371.5 lbs. (168.5 kg)

Maximum speed in gears @ engine redline

(1) 49.9 (2) 70.7 (3) 90.9 (4) 109.0 (5) 131.2

ENGINE

Type

4 Stroke, transverse four cylinder with two overhead camshafts, chain-driven

Bore and stroke

62.0 x 62.0 mm (2.44 x 2.44 in.)

Piston displacement

749cc (45.7 cu. in.)

Compression ratio

9.0:1

Carburetion

4 Keihin 30mm constant-vacuum with accelerator pump.

Exhaust system

Four into four

Ignition

Battery-powered, inductive, magnetically triggered and electronically advanced.

Air filtration

Paper element disposable

Oil filtration

Paper element disposable

Oil capacity

4.8 qts (4.5 liters)

Bhp @ rpm

65.57 @ 9000

Torque @ rpm

41.54 ft. lbs @ 7500

TRANSMISSION

Type

Five-speed, constant-mesh, multi-plate wet clutch

Primary drive

Hy-Vo chain and spur gears, 2.38:1

Final drive

# 530 sealed O-ring chain, 2.39:1

Gear ratios, overall

(1) 14.40 (2) 10.17 (3) 7.91 (4) 6.59 (5) 5.48

CHASSIS

Type

Dual downtube, full-cradle, mild steel frame

Suspension, front

Leading-axle coil / air spring fork with TRAC anti-dive yielding 154mm (6.1 in.) travel

Suspension, rear

Swing arm, (2) VHD (Variable Hydraulic Damping) shocks with five spring preload adjustments yielding 93mm (3.7 in.) travel

Wheelbase

60.8 in. (1545mm)

Rake / trail

29.5 degrees / 4.7 in. (120mm)

Brake, front

Hydraulic, dual disc, (2) 276mm (10.87 in.) rotors with dual-piston calipers

Brake, rear

Rod-actuated drum

Wheel, front

Cast, 2.50 x 18

Wheel, rear

Cast, 3.00 x 16

Tire, front

MT 120/90 x 18 Dunlop Qualifier F11

Tire, rear

M140 x 16 Dunlop Qualifier K127

Seat height

31.2 in. (792mm)

Ground clearance

6.4 in. (163mm)

Fuel capacity, main / reserve

3.3 / 1.3 gal. (12.5 / 4.9 liters)

Curb weight, full tank

573.5 lbs. (260.1 kg)

Test weight

733.5 lbs. (332.7 kg)

ELECTRICAL

Power source

Three-phase AC generator

Charge control

Solid state

Headlight beams, high / low

60 / 55 watts

Tail / stop lights

(2) 8 / 27 watts

Battery

12 V 14 AH

INSTRUMENTS

Includes:

Speedometer, odometer, tripmeter, tachometer, fuel gauge. Indicators for low oil pressure, neutral, high beam and turn indicators

Speedometer error

30mph indicated, actual 29.43

60mph indicated, actual 58.74

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