Question about 1980 Honda CX 500 A

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How to replace thermostat on 1980 honda cx 500 silverwing motercycle

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Drain the radiator and remove the fuel tank. The thermostat is in a housing between the two cylinder heads. Two 6 mm bolts(10 mm wrench)hold the stat cover down. Replace the o-ring and thermostat together. Thermostat can be tested by placing in a pot of water on the stove, heat the water, and check opening temperature with candy thermometer. I had a friend that removed his and never put it back. It just took longer for the bike to warm up. good for warm climates but not cold climates.

Posted on Apr 25, 2010

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I have a 1980 Honda CX 500 Custom and the Temperature gauge shows hot if I run the bike above 6000 rpm for any length of time. If I run a bit slower it seems to hold its own. What temp should the coolant...

Honda temperature gauges tend to run high before the electric fans kick in. They also tend to read differently on different bikes of the same model (fuel gauge, temp gauge , speedometer, etc.)Your fan is driven attached directly to your cam so it spins constantly. If your machine is not actually overheating or boiling over and has plenty of anti freeze, I would just keep an eye on it and not worry about it. If your engine gets really hot it will tend to leak anti freeze down the left rear cover past the water pump seal. This is normal and should be of little concern unless the water pump develops a steady drip. Then the water pump seal is bad and will need to be replaced.

Mar 01, 2011 | 1980 Honda CX 500 A

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I was told the CDI unit on a 1980 Honda CX 500 is bad... how do I test it to be sure? Thanks

Takes special equipment to test the CDI ... does your bike start? run? if not ... there is that possibility that who ever told you it is bad is correct.

Oct 05, 2010 | 1980 Honda CX 500 A

1 Answer

Valve clearances for honda 500 cx 1980 model

The Honda Rider Club offers free membership which includes access to a generic service manual ... a paid membership gets you access to the service manual for your model according to info at the site.

Apr 27, 2010 | 1980 Honda CX 500 A

1 Answer

Need to know torque settings for honda cx500 motorbike head 1980 model

from the honda service manual head torque kg-m 5.0 - 5.5
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Apr 26, 2010 | 1980 Honda CX 500 A

1 Answer

1980 Honda CX 500 won't start but makes clicking sounds

relay is bad or connection is--chec battery cable titeness or starter button--if u hav a kik starter buy a batt eliminator capacitor n hook in place of battery and bike will run like the old days

Apr 10, 2010 | 1982 Honda CX 500 B

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I have a 1980 Honda cx 500. It runs great, but it does make a noise while in gear. It sounds like something is winding up as speed increases and winding down as speed decreases. When I put it in neutral...

Perhaps you got one of the new Honda 1980 Tech where they are using a Turbo to gain HP(Kw). It is a white elephant but a technology experiment. Bike too heavy for turbo, not very agile. Google CX500 and read it's review in NZ Bikers magazine 2010 March edition.

Mar 26, 2010 | 1979 Honda CX 500 A

2 Answers

I can't seem to find a repair manual on the web for a 1980 Honda CX500 custom

library has manuals sec629-u can use similar books like the 650 or different *** makes since the tech is often close-all depends how involved it gets

Mar 11, 2010 | 1980 Honda CX 500 A

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