1975 Honda CB750 Four

Make Model	Honda CB 750 Four K5
Year	1975
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	9.0:1
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	44 lb-ft / 60 Nm @ 7000 rpm
Clutch	Multi-plate, wet
Transmission	5 Speed
Final Drive	Chain
Gear Ratios	1st 13.99 / 2nd 9.54 / 3rd 7.45 / 4th 6.14 / 5th 5.26:1
Frame	Tubular steel duplex cradle
Front Suspension	Telescopic forks non adjustable.
Front Wheel Travel	143 mm / 5.6 in.
Rear Suspension	Swingarm, dual shocks, preload adjustable.
Rear Wheel Travel	85 mm / 3.3 in.
Front Brake	Single 296 mm disc
Rear Brake	179 mm Drum
Front Tyre	3.25-19
Rear Tyre	4.00-18
Rake	27°
Trail	95 mm / 3.7 in
Dimensions	Length: 2175 mm / 85.6 in. Width: 870 mm / 34.3 in. Height: 1170 mm / 46.1 in.
Wheelbase	1453 mm / 57.2 in.
Seat Height	810 mm / 31.9 in.
Ground Clearance	140 mm / 5.5 in.
Wet Weight	218 kg / 479 lbs
Fuel Capacity	17 Litres / 4.5 US gal
Reserve	5 L / 1.3 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

The CB750K5 Four was sold in 1975 and was available in one of two colors: Planet Blue Metallic or Flake Apricot Red. The instrument faces were dark green. The speedometer numbers were increments of 10 (i.e., 10, 20, 30, 40, etc.). The side covers were smaller than the K0 model and there were no slots on the leading edge. The upper forks were chrome. The white tank pinstripe was wider than the K3 model.

The headlight shell was black. The taillight and side reflectors were larger than the K1 model. There was a two-throttle cable system (pull open and pull closed). The exhaust system was a 4-into-4. The engine was a 736cc SOHC 2-valve dry sump inline 4 cylinder linked to a 5-speed transmission and chain drive. The serial number began CB750-2500001.

Honda CB 750 Four K5