20 Most Recent 1984 Honda CB 700 SC Nighthawk Questions & Answers

Richard, I believe NGK recommends .035" gap. Check the attached links,instruction and guides for plug type and gap., Good luck
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Honda CB700SC CycleChaos
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1984 Honda CB... | Answered on Jun 12, 2016

be very careful with the sounds that you describe, Sounds to me from the condition you describe without looking at it directly, May be that since the carbs leaking gas, over rich condition on cylinder 4, or a very bad job at setting the floats, Or a combination of both adjustment together

1984 Honda CB... | Answered on Oct 25, 2013

Loosen the banjo bolt on the clutch master cylinder, Put a plastic sheet and a rag under the banjo, pump the lever a couple of times till DOT 3/4 brake fluid starts pouring out past the sealing washers. You have now gotten the air out of the master cylinder. Tighten the banjo bolt, bleeding the lines should now be easy.

1984 Honda CB... | Answered on Oct 01, 2013

Did you take apart and clean the master cylinder. There is a large hole in the reservoir that feeds the fluid to the piston. But there is also a tiny pin hole that allows the dot fluid to return to the reservoir. If this is plugged on brakes it will lock the front wheel. On a clutch it might be what is locking the slave cylinder.If you pull the lever and the clutch does not engage you have air in the line. If you pull the lever and the clutch engages but does not disengage till you open the bleeder screw on the slave cylinder , the pin hole (fluid return hole) in the master cylinder is plugged. Take the master apart and clean it. You can pull the rubber cap that protects the piston out of the master and remove the piston with a circlip pliers. Honda sells a master cylinder rebuild kit and clutch slave o-ring seals if you need them.

1984 Honda CB... | Answered on Jul 11, 2013

Look at the connectors on the indicator wiring harness. The connectors are not up to Aviation standards. And a bike of that age will usually have corrosion in the connectors.

1984 Honda CB... | Answered on May 15, 2013

clymer makes repair manuals for hondas
I have used them and they are very good

contact www.BikeBandit.com

If this does not work contact your local honda dealer parts department they have repair manuals

here is a contact

1984 Honda CB... | Answered on May 13, 2013

installing a petcock for CB700 Nighthawk S ORing in gas tank for petcock.  What size is it and how does is set in the fitting without falling into the tank?

1984 Honda CB... | Answered on Apr 22, 2013

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