What are the specs of a 1978 Honda CB750?
1978 Honda CB750 Four K (CB750K) specs 1 Honda CB750 Four K (CB750K) , model year 1978, (Europe) (North America) export 2 manual 5-speed gearbox 3 gasoline (petrol) engine with displacement: 736 cm3 / 44.9 cui, advertised power: 49 kW / 66 hp / 67 PS ( DIN ), torque: 60 Nm / 44 lb-ft
Why are the 2-3 cylinders on my CB750 not firing?
99% of the time if 2-3 are not firing and the plugs are dry then it’s low fuel level in the carb bowls due to slow fuel delivery from the petcock which can effect any carb (s) randomly…… IMHO. If your sure it’s an ignition problem; it’s carbs….
What’s the PSI on a 71 CB750 cylinder?
When correcting the timing we set the point gap to shop spec and points just opening at the ‘F’ mark. Also set the spark plug gap to spec measurement. We pulled out the plugs and each was getting a nice blue spark. Checked the compression (cold engine) and got around 115 psi on all cylinders.
Can a coil wire break on a CB750?
The coil power wire (black) can break right at the coil. Most people test the wire at the connector 3 inches away and miss the break. It should show over 11 volts with the headlight on or the starter engaged (under load) Only plugs exposed to a very rich mixture will look wet in a short bit of cranking.
What kind of engine does a CB750F have?
The CB750F which adopted the four-into-one pipes and cafe racer stylings popularized by the CB400F. And the CB750A, mating the 750 engine to an automatic gearbox.
Is the serial number on a CB750K the same?
The serial numbers do not match, but are in the same model series. It is not uncommon to find CB750’s which have a replacement engine from a different model year since engines from all of the CB750K models are compatible with all of the frames.
What makes a Honda CB750 a Superbike bike?
The CB750 was the first modern four-cylinder machine from a mainstream manufacturer, and the term superbike was coined to describe it. Adding to the bike’s value were its electric starter, kill switch, dual mirrors, flashing turn signals, easily maintained valves, and overall smoothness and low vibration both under way and at a standstill.