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Honda CB 750 Four K7/K8

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Make Model

Honda CB 750 Four K7/K8

Year

1977 - 1978

Engine

Four stroke, transverse four cylinder, SOHC, 2 valve per cylinder

Capacity

736 cc / 44.9 cub in

Bore x Stroke

61 х 63 mm

Compression Ratio

9.2:1

Cooling System

Air cooled

Lubrication

Dry sump

Induction

4 x 28 mm Keihin carburetors

Ignition

Battery, ignition coil

Spark Plug

NGK D8ES-L, NDX 24 ES

Starting

Electric, kick

Max Power

50 kW / 67 hp @ 8000 rpm

Max Torque

60 Nm / 6.1 kgf-m / 44 lb-ft @ 7500 rpm

Clutch Wet multi-plate

Transmission

5 Speed

Final Drive

Chain

Gear Ratios

1st 13.99 / 2nd  9.54 / 3rd 7.45 / 4th 6.14 / 5th 5.26:1

Clutch

Multi-plate, wet

Frame

Tubular steel duplex cradle

Front Suspension

Telescopic forks

Front Wheel Travel

141.5 mm / 5.6 in.

Rear Suspension

Swingarm, dual shocks, preload adjustable

Rear Wheel Travel

101.6 mm / 4.0 in

Front Brake Single 296 mm disc
Rear Brake 179 mm Drum
Front Tyre 3.50H19

Rear Tyre

4.50H17A

Rake

28°

Trail

115 mm / 4.5 in

Dimensions

Length: 2280 mm / 89.8 in
Width:    880 mm / 34.6 in
Height: 1185 mm / 46.7 in

Wheelbase

1495 mm / 58.9 in

Seat Height

810 mm / 31.9 in

Ground Clearance

150 mm / 5.9 in

Dry Weight

231 kg / 508 lbs

Fuel Capacity 

19 Litres / 5.0 US gal

Reserve

4 L / 1.1 US gal

Oil Capacity 

3.5 L / 3.7 US quarts

Consumption Average

6.9 L/100 km / 14.6 km/l / 34.3 US mpg

Braking Distance 48 km/h / 30 mph - 0

10 m / 32.9 ft

Braking Distance 97 km/h / 60 mph - 0

41 m / 135.7 ft

Standing ¼ Mile  

13.5 sec / 100.9 mph

Top Speed

198 km/h / 123.2 mph

Colours

Candy Alpha red, Excel black

Launched in 1969, Honda's first four-cylinder roadster revolutionized the motorcycle market, setting new standards of sophistication, user-friendliness and reliable high performance. The innovative CB750, with its SOHC engine, five-speed gearbox and disc front brake, changed the face of recreational motorcycling worldwide.

In 1977 Honda reintroduced the CB750K7 and CB750K8 when customers decided they did not like the CB750F1 or CB750F2.

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