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kz650c ressurection 25 Apr 2010 15:12 #363157

  • Jodyb17
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I've been reading OMR's build and all the effort he's put into his bike. It made me feel guilty for letting my bike sit unused and unloved.

It also made me damn jealous that he gets to motor around on such a beautiful machine.

So anyway, my bike has been sitting for years. I got to ride her for a summer after I got her before she was parked. Such a tease.

Back then I had plans for all kinds of modifications. For now, I would be happy just to get her functional again.

So here's where the project starts... a seized engine. Assuming the pistons are fused to the cylinder wall, I have sprayed some PB Blaster into the spark plug holes. No luck yet after one night's wait. I sprayed some more and will check again tomorrow.

While waiting for the PB Blaster to do its magic, I took the rear fender off. These bikes look a zillion times better without em. You guys agree?
1977 KZ 650 C
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kz650c ressurection 25 Apr 2010 15:32 #363164

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Agreed... looks better ;)

Be good to her!

Cheers!

B)
Motorcycle Shop Owner/Operator

79 Kawie Z1000 LTD
81 Kawie Z1000 CSR
83 Honda VT750C A
85 Kawie GPZ900 A2
86 Zukie GS1150 EG
93 Yamie XV1100 E
Lucky to have rolled many old bikes through my doors ;)

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kz650c ressurection 27 Apr 2010 16:24 #363648

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Well the PB Blaster hasn't helped loosen the pistons so my friend George and I decided to start the tear down.
1977 KZ 650 C
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kz650c ressurection 27 Apr 2010 16:25 #363650

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She's lost her top!
1977 KZ 650 C
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kz650c ressurection 27 Apr 2010 16:26 #363651

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The internals of the head cover looks good. The gasket is pretty brittle. I guess a symptom of age and sitting so long.
1977 KZ 650 C
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kz650c ressurection 27 Apr 2010 16:27 #363652

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Here she is topless. So far things look to be in pretty good condition.
1977 KZ 650 C
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kz650c ressurection 27 Apr 2010 16:28 #363653

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Close up.
1977 KZ 650 C
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kz650c ressurection 01 May 2010 11:33 #364712

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Well I have a hunch which cylinder is seized. After taking my headers off I noticed one of the copper gaskets was incorrectly inserted into the exhaust port (cylinder 3) before mounting. The header was as a result not seated properly.
1977 KZ 650 C
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kz650c ressurection 01 May 2010 11:34 #364713

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When I looked into the port I noticed a buildup of some sort of ash. There was about a tablespoon of the stuff sitting right at the port outlet. It looks like something out of a barbecue pit.

A pic of the ash stuff on my garage floor, any idea what this might be?
1977 KZ 650 C
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kz650c ressurection 22 May 2010 14:21 #369859

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Well I managed to get my cylinder head and cylinders off. Getting the cylinders off was a pain. I had a discussion on how to get em off.

kzrider.com/index.php?option=com_kunena&...ew&catid=2&id=366450

I think the culprit for the difficulty was gunk that had accumulated around the cylinder studs wouldn't allow them to slide through their holes.
1977 KZ 650 C
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kz650c ressurection 22 May 2010 14:25 #369862

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The project has now officially taken over the garage. I have begun the rebuild of the carbs. Bought new gaskets and disassembled each one. I soaked all the metal bits in carb cleaner. That stuff works great, all the varnished gas came right off. Now I just need to put them back together. Fun stuff.
1977 KZ 650 C
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kz650c ressurection 22 May 2010 17:31 #369902

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lookin good man!
and x2 on the fender removal. Looks way better, did it to mine too, i tucked the light under the tail piece using a few nuts and bolts, and some aluminum plate. i also shortened up the blinker tubes.

-Luke
82 Honda ATC 200-sold
82 Yamaha Virago 920-sold
82 Yamaha YZ250j-kept
80 Suzuki GS 550-sold
82 Kawasaki KZ550 A2-ride all the time
79 Kawasaki KZ650 C-sold
73 Kawasaki Z1 900E-paid $200, sold $6000
86 Yamaha Radian YX600-new project

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