cleaning contacts
- jertho
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cleaning contacts
07 Feb 2016 09:01
I have been cleaning and putting dielectric grease on all the connections on a 78 kz750 twin. I want to do the same on the handle bar switches, but Im not sure what to expect when I open them. Am I going to have little parts and pieces flying allover?
Thanks, Jerry
Thanks, Jerry
1978 kz750 twin
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- SWest
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Re: cleaning contacts
07 Feb 2016 09:49
No, just be careful. I use small chain saw sharpening stones in my cordless drill to clean the female bullet connectors.
Steve
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
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- loudhvx
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Re: cleaning contacts
07 Feb 2016 10:09
I've spent countless hours removing dielectric grease from connections and contacts. It is an insulator and can make contacts flakey.
1981 KZ550 D1 gpz.
Kz550 valve train warning.
Other links.
Kz550 valve train warning.
Other links.
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- jertho
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Re: cleaning contacts
07 Feb 2016 10:56
Swest, I used a small round chainsaw file. Loudhvx, I though thought the purpose of dielectric grease was to keep corrosion off of electrical connecters. I guess I will know what to look for if I start having strange electrical problems.
Thanks, Jerry
Thanks, Jerry
1978 kz750 twin
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- TexasKZ
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Re: cleaning contacts
07 Feb 2016 16:05 - 07 Feb 2016 16:11
I think you would be much happier using Deoxit to clean the connectors.
The D5 is what I have used. store.caig.com/
Yes, you will have small flying parts.
The D5 is what I have used. store.caig.com/
Yes, you will have small flying parts.
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24
Last edit: 07 Feb 2016 16:11 by TexasKZ.
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- bountyhunter
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Re: cleaning contacts
07 Feb 2016 17:07Yep. Screwed up my original ignition switch. It is to keep water out of the connections.loudhvx wrote: I've spent countless hours removing dielectric grease from connections and contacts. It is an insulator and can make contacts flakey.
1979 KZ-750 Twin
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- z1kzonly
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Re: cleaning contacts
07 Feb 2016 17:33
Make sure you take the kill knob off and clean that! All your power runs thru 2 little brass 1/8" round connections!
Livin in "CheektaVegas, NY
Went thru 25 of these in 40 yrs.
I SOLD OUT! THE KAW BARN IS EMPTY.
More room for The Old Girl, Harley 75 FLH Electra Glide,
Old faithful! Points ign. Bendix Orig. carb.
Starts everytime!
Went thru 25 of these in 40 yrs.
I SOLD OUT! THE KAW BARN IS EMPTY.
More room for The Old Girl, Harley 75 FLH Electra Glide,
Old faithful! Points ign. Bendix Orig. carb.
Starts everytime!
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Re: cleaning contacts
07 Feb 2016 17:49
The springs are usually gummed up.
Steve
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
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- jertho
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Re: cleaning contacts
07 Feb 2016 17:52
Thanks for the pictures of the kill switch. It's always nice to know what your getting into.
Thanks, Jerry
Thanks, Jerry
1978 kz750 twin
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- loudhvx
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Re: cleaning contacts
07 Feb 2016 17:56 - 07 Feb 2016 18:06
I don't know if the grease manufacturer recommends it for the actual metal parts of the connectors, but it is certainly not good for that. The only place I would ever use it would be on modern weatherproof connectors that have rubber of plastic seals, like what you find on modern cars. Then I would only use a tiny bit on the plastic/rubber parts that seal on each other.
The Kz's came with connectors that were fully open to the elements. The grease isn't really going to keep out weather unless you use gobs of it. Then it gets everywhere. If it gets on the metal connectors, it may reduce the surface contact area. On a high-current connection, that will cause it to start heating up (since the current now has less metal to flow through), then that causes the grease to get liquefied and wick in further into the connection. After enough heat and enough grease gets in, the connector will need to be replaced. It's a headache I've been through several times on different cars and bikes. Usually it's the headlight connectors that take the worst hit, at least it's the most noticeable since the lights get very dim. If the connection doesn't use a lot of current, you might never notice a problem.
+1 on the Deoxit... which ever version dries clean, not the grease version. And watch out on plastic... maybe test on stuff you have in a junk pile first. It looks like it may harm ABS, but I don't know what Kawasaki used on switches.
If you are going to be doing a lot of harness work, I recommend the non-adhesive tape, like what the factory used, You can find it on ebay. Oddly, it costs more than the tape with adhesive.
The Kz's came with connectors that were fully open to the elements. The grease isn't really going to keep out weather unless you use gobs of it. Then it gets everywhere. If it gets on the metal connectors, it may reduce the surface contact area. On a high-current connection, that will cause it to start heating up (since the current now has less metal to flow through), then that causes the grease to get liquefied and wick in further into the connection. After enough heat and enough grease gets in, the connector will need to be replaced. It's a headache I've been through several times on different cars and bikes. Usually it's the headlight connectors that take the worst hit, at least it's the most noticeable since the lights get very dim. If the connection doesn't use a lot of current, you might never notice a problem.
+1 on the Deoxit... which ever version dries clean, not the grease version. And watch out on plastic... maybe test on stuff you have in a junk pile first. It looks like it may harm ABS, but I don't know what Kawasaki used on switches.
If you are going to be doing a lot of harness work, I recommend the non-adhesive tape, like what the factory used, You can find it on ebay. Oddly, it costs more than the tape with adhesive.

1981 KZ550 D1 gpz.
Kz550 valve train warning.
Other links.
Kz550 valve train warning.
Other links.
Last edit: 07 Feb 2016 18:06 by loudhvx.
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- jertho
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Re: cleaning contacts
07 Feb 2016 18:32
So, now that I screwed up buy greasing some of the connections, while the grease is still fresh and the bike is still striped of tank and plastic, will the contact cleaner get the grease back off? Here I was thinking I was doing a good thing for the old thing. Anyhow, nothing that can't be easily fixed.
Thanks Jerry
Thanks Jerry
1978 kz750 twin
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Re: cleaning contacts
07 Feb 2016 18:34
Carb and choke cleaner will get most anything off.
Steve
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
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kzrider.com/forum/2-engine/597654-poser?start=240#704229
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