
The Honda Nighthawk 750 is the grandson of the most significant motorcycle ever made—the 1970 Honda cb750.
The Nighthawk stays true to its heritage: Air cooled 750cc inline-four engine, double-cradle frame, single disk front and drum rear brake, and chain drive. The differences are ones of evolutionary refinement. It has hydraulic valve adjusters for zero-maintenance valves. Electronic ignition means there's no more fiddling with the idle speed. The engine's width is narrower as Honda has relocated the alternator behind the cylinders. They also added a small oil cooler to supplement the air cooling. Wheels are cast aluminum rather than spokes. The exhaust is a more modern four-into-two variety.

This is a do-it-all bike. It doesn't do anything with exquisite skill but it does everything reasonably well and for that it deserves a lot of credit. In stock form it's a nimble commuter. Attach a windscreen and luggage and you've got a lightweight touring bike. It's fun to drive too. Though it's no racer it is quick enough and the handling is reasonable and responsive. It feels lighter than it really is. The Nighthawk's reliability is legendary. It demands as little attention as any motorcycle and maintenance is cheap. Change the oil regularly and it will run forever. The Discovery Channel ranked the Honda CB750 third among the top ten greatest motorbikes of all time. The final production year for the Nighthawk 750 was 2003.
(Portions of the above taken from David's Motorcycle Reviews)
1982 - CB750SC
MSRP $3098
NIGHTHAWK 750
PERFORMANCE
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ENGINE
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TRANSMISSION
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CHASSIS
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ELECTRICAL
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INSTRUMENTS
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91-97 NIGHTHAWK 750
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SPECIFICATIONS FOR 2003 NIGHTHAWK 750
ENGINE
Engine Type 747cc air-cooled inline four-cylinder/ Bore and Stroke 67.0mm x 53.0mm/ Compression Ratio 9.3:1/ Valve Train DOHC; four valves per cylinder / Carburetion Four 34mm CV/ Ignition CDI
DRIVE TRAIN
Transmission Five-speed/ Final Drive O-ring-sealed chain/
CHASSIS / SUSPENSION / BRAKES
Front Suspension 41mm fork; 5.5-inch travel/ Rear Suspension Dual rear shocks with five-position spring-preload adjustability; 4.3-inch travel/ Front Brake Single disc with twin-piston caliper/ Rear Brake Drum/ Front Tire 110/80-18/ Rear Tire 140/70-17/
DIMENSIONS
Wheelbase 59.3 inches/ Seat Height 30.9 inches/ Dry Weight 463.0 pounds/ Fuel Capacity 4.8 gallons, including 0.8-gallon reserve/