Starting restoratin project KZ650

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30 Sep 2024 16:58 #904755 by Vietvet
Starting restoratin project KZ650 was created by Vietvet
G'day from South Australia. I am finally getting into my project bike, a 1977 KZ650, ( I think ). The import certificate says it is a 1977but I am thinking the actual manufacture date maybe 1976. The engine number is KZ650BE094244 and the frame number is KZ650B-524522. It has the spoke wheels and one of the carbs has a accelerator pump fitted. Starting to look like the motor might be fitted to an earlier frame. I want to get a complete gasket and seal kit for it, any suggestions. For future reference is it possible to remove the valve stem seals without totally destroying them. I think the gasket kits come with the new seals so I ruined them. If I wanted to remove them is there a special tool for the job?.
After vapor blasting the motor what do you use to seal the finish to prevent the corrosion coming again?

Tantanoola South Australia.
1979 KZ 650

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30 Sep 2024 18:38 #904756 by Injected
Replied by Injected on topic Starting restoratin project KZ650
According to this web site and your frame serial number it looks to be a 1978 model.

www.jarlef.no/Kawasaki/Series/Z/650/z650b.htm
 

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30 Sep 2024 18:48 - 30 Sep 2024 19:03 #904757 by TexasKZ
Replied by TexasKZ on topic Starting restoratin project KZ650
Numbers also here.
www.kzrider.com/filebase-alias?task=down...id=1178&catid=64&m=0

Factory gaskets and seals are the best, though there is no kit.

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
Last edit: 30 Sep 2024 19:03 by TexasKZ.

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  • gd4now
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  • Denco where did you go?
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30 Sep 2024 19:00 #904758 by gd4now
Replied by gd4now on topic Starting restoratin project KZ650
Not claiming I know anymore than anyone else, but the numbers you posted fall within the frame and engine numbers I have found and made sense of (not claiming they are 100% correct) for a 1979 B3 model.

1977 KZ650 B1
Pods and Denco header


OLD KAW OWNERS SMILE ALOT

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30 Sep 2024 20:22 #904761 by Vietvet
Replied by Vietvet on topic Starting restoratin project KZ650
Thanks for the replies, I think I am getting closer to finding what year and model 650 I have. The fuel tank has the smaller letters in the "kawasaki" I still can't find out about the accelerator pump on one of the carbs. It only appears on very few models I have looked at. It wasn't an optional extra was it

Tantanoola South Australia.
1979 KZ 650

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  • hardrockminer
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01 Oct 2024 04:44 #904769 by hardrockminer
Replied by hardrockminer on topic Starting restoratin project KZ650
If you vapour blast the engine pieces you don't need to seal afterwards.  They will retain their shiny presentation.

I have several restored bikes along with a 2006 Goldwing with a sidecar. My wife has a 2019 Suzuki DR 650 for on and off road.
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01 Oct 2024 06:42 - 01 Oct 2024 06:50 #904773 by Injected
Replied by Injected on topic Starting restoratin project KZ650

Thanks for the replies, I think I am getting closer to finding what year and model 650 I have. The fuel tank has the smaller letters in the "kawasaki" I still can't find out about the accelerator pump on one of the carbs. It only appears on very few models I have looked at. It wasn't an optional extra was it


 
If you have the small lettering tank logo that is 1979 and later. Accelerator pump carbs were only used on USA models starting in mid 1978/1979 for emissions purposes. If you have a cam cover and air box that has tubing on them its for the emissions equipment and most likely originated in the USA.

Bikes that were imported from Japan to Canada had no emissions equipment. I believe this is the same for bikes that made it to UK/Europe.



If you check out the link in my earlier post you can see picture examples of B3 stock paint bikes.

 
Last edit: 01 Oct 2024 06:50 by Injected. Reason: info

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01 Oct 2024 08:22 #904776 by Stereordinary
Replied by Stereordinary on topic Starting restoratin project KZ650

If you vapour blast the engine pieces you don't need to seal afterwards.  They will retain their shiny presentation.
My experience tells me otherwise. I had a valve cover done, and after maybe two years there was that white crystalline powder forming in places. 
I like Cerakote glacier silver for my satin silver parts. 

A breeze from the west.
‘90 ZR550 Zephyr

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01 Oct 2024 08:37 #904777 by Wookie58
Replied by Wookie58 on topic Starting restoratin project KZ650

If you vapour blast the engine pieces you don't need to seal afterwards.  They will retain their shiny presentation.
My experience tells me otherwise. I had a valve cover done, and after maybe two years there was that white crystalline powder forming in places. 
I like Cerakote glacier silver for my satin silver parts. 
It will be interesting to see how the Cerakote "clear" works on my parts (when I get to that stage !!)

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03 Oct 2024 06:22 - 03 Oct 2024 06:22 #904823 by H1Vindicator
Replied by H1Vindicator on topic Starting restoratin project KZ650

... After vapor blasting the motor what do you use to seal the finish to prevent the corrosion coming again?

Sharkhide was mentioned here on kzr. but that's it. just a mention. no pics or what he did or anything. not even sure he actually used the stuff.

Casewell, Eastwood, or West Marine might have something.
Last edit: 03 Oct 2024 06:22 by H1Vindicator.

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  • Nessism
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03 Oct 2024 06:32 #904825 by Nessism
Replied by Nessism on topic Starting restoratin project KZ650
I agree on using quality OEM gasket, where ever possible.  Many times you can find the part number on Partzilla or similar, then hunt down a cheap gasket from eBay.

And never reuse valve stem seals.  Get some new Viton seals.  A member here sell them, or used to anyway.  
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06 Oct 2024 14:52 #904906 by Vietvet
Replied by Vietvet on topic Starting restoratin project KZ650
I was going to check the rubber damper on the secondary shaft but the 3 Allen head bolts holding the starter motor clutch on will not budge, been applying RP7 over the last couple of days but I think if I try too hard they will snap. They are clean no corrosion just very tight. Any suggestions, I don't  want to apply too much heat because of the rubber damper.

Tantanoola South Australia.
1979 KZ 650

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