Honda CB 750 Four K1: history, specs, pictures

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Honda CB 750 Four K1
Manufacturer
Production 1970 - 1971
Class Classic
Engine
air-cooled, four-stroke, transverse four cylinder, SOHC, 2 valves per cylinder
Bore / Stroke 61.0mm x 61.0mm
Compression ratio 9.0:1
Horsepower 67.05 HP (50.0 KW) @ 8000RPM
Fuel System 4x28mm Keihin carburetors
Transmission Gear box: 5-speed, manual

Final Drive: chain

Clutch: wet multi-disc, manual
Suspension Front: telescopic fork
Rear: dual shock absorbers
Brakes Front: single 290mm disc
Rear: 178mm drum
Front Tire 3.25 - 19
Rear Tire 4.00 - 18
Weight 226.0 kg (wet)
Recommended Oil Honda GN4 10W-40
Manuals Service Manual


The Honda CB 750 Four K1 was a air-cooled, four-stroke, transverse four cylinder, SOHC, 2 valves per cylinder Classic motorcycle produced by Honda between 1970 and 1971. Claimed horsepower was 67.05 HP (50.0 KW) @ 8000 RPM.

Engine[edit | edit source]

A 61.0mm bore x 61.0mm stroke result in a displacement of just 736.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 5-speed, manual transmission. Power was moderated via the wet multi-disc, manual.

Chassis[edit | edit source]

It came with a 3.25 - 19 front tire and a 4.00 - 18 rear tire. Stopping was achieved via single 290mm disc in the front and a 178mm drum in the rear. The front suspension was a telescopic fork while the rear was equipped with a dual shock absorbers.

1970 Honda CB 750 Four K1[edit | edit source]

The 1970 MY Honda CB 750 Four K1 has been fitted with a chromed, dual exhaust system with double mufflers, a dual seat, a telescopic front fork coupled to dual shock absorbers in the rear, wide handlebars, an analogue instrumentation panel, a blacked-out, steel frame, a front disc brake coupled to a rear drum and laced wheels.

In the engine department it is powered by a four-stroke, air-cooled, 736cc, transverse four cylinder powerhouse, paired to a five-speed manual transmission with a chain final drive, that can produce a claimed 67 horsepower at 8.000 rpm.


1971 Honda CB 750 Four K1[edit | edit source]

The 1971 MY Honda CB 750 Four K1 boasts a maximum power output of 67 horsepower at 8.000 rpm from its air-cooled, four-stroke, 736cc, transverse four cylinder powerplant that was paired to a five-speed manual transmission with a chain final drive.

Also, it comes equipped with a chromed, dual exhaust system with double mufflers, a dual seat, a telescopic front fork coupled to dual shock absorbers in the rear, wide handlebars, an analogue instrumentation panel, a blacked-out, steel frame, a front disc brake coupled to a rear drum and laced wheels.