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Restoring a 1978 KZ 650 ... again ... 25 May 2009 16:30 #293950

  • 650ed
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For 5241 Euros ($7335) I might consider selling you my swingarm sleeve with the rest of the bike attached! As an alternative, here's one for $19 plus shipping:

42036-1012
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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Restoring a 1978 KZ 650 ... again ... 25 May 2009 19:45 #294036

  • OLTIMER
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Ed, you are nominate for Favorite Person today!
you made that look so easy, i mean ...
/me is speechless
1000 x Thank You!

edit:
Oh, rats. It's gonna be 3-5 biz. days before money gets into my paypal account :(
I hope it's still there ...
1978 KZ650-D1 SR
Sioux Falls, SD, USA
The shortest distance between two points is under construction.

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Last edit: by OLTIMER. Reason: added info

Restoring a 1978 KZ 650 ... again ... 25 May 2009 19:56 #294037

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Glad I could help. If you're looking for any other parts be sure to post them and we'll try to help you find them. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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Restoring a 1978 KZ 650 ... again ... 06 Apr 2010 10:37 #358742

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650ed wrote:

Glad I could help. If you're looking for any other parts be sure to post them and we'll try to help you find them. Ed


Well, now that you mention it ..... :P

So I did a compression test this spring (been unemployed since October, so nothing got done on the bike all winter. BAH!) and I found a problem. Spec is 170 +/- 15 PSI, and my readings are: 100,0,100,92
This is bad.
The most cost-effective way to get all the gaskets/seals I need is the top-end kit from Z1, and since this comes with a base gasket anyway, I decided to pull the jugs while I was at it and inspect the pistons, rings, and wrist pins -- and it's a good thing, too since I found that all 4 cylinders were getting blow-by.
The cylinders, pistons, and wrist pins are all in great shape though, so all I am left to get is a set of rings for that phase.
When I removed the head, I found #2 exhaust valve burned through, #4 getting close to burning through, and the other 2 were caked with buildup - including a black glaze on the ground surface.
The cams both mic within spec, and the intake valves are serviceable.
I found a local machine shoppe that will regrind all 8 valves and seats for a mere $35 USD, so that's settled.
I see there are new exhaust valves on e-bay, so I can get those parts (although from 2 different buyers). These are OEM part # 12005-008
Having trouble finding stock rings for less than $Firstborn though - need 4 of OEM part # 13008-059
Need batteries for my digicam, or I would have had photos of the parts as I removed them. I might get some taken later though - doing a bit of aluminum polishing since I got the engine apart, and I can get at all the nooks and crannies.
Baby gettin' back her >bling< B)

The project continues!
1978 KZ650-D1 SR
Sioux Falls, SD, USA
The shortest distance between two points is under construction.

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Restoring a 1978 KZ 650 ... again ... 06 Apr 2010 10:52 #358748

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The rings are expensive. According to Kawasaki.com they're still available from Kawasaki but at about $200 for the set of 4. They do sometimes come up on eBay, but not often in the STD size. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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Update 25 Jun 2010 13:21 #378188

  • warmmushroom
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when i replaced my breather tube i couldnt find one either so I used a two pieces of fuel line and a barbed pvc plumbing elbow, didn't use any clamps to hold them on they were a pretty tight fit to begin with and they have been holding for 2 years now. best part is i think it cost me a dollar or two.

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