Piston brand identification.

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12 Jun 2016 06:09 #731047 by MadShad
Piston brand identification. was created by MadShad
Kz1000, 1075cc set for 72mm bore.
Trying to figure out what brand of piston I have.
"C" stamped on the top
See pics for other markings.












thanks!
Shelbyville, Indiana. '80 KZ1000
No more of that talk or I'll put the leeches on you, understand?
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  • SWest
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  • 10 22 2014
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12 Jun 2016 06:38 #731051 by SWest
Replied by SWest on topic Piston brand identification.
You may want to contact them to identify the pistons. They have 9/1, 10.5/1 and 12.5/1.
Steve
www.mtceng.com/mtcproducts/products/pistons/kawasaki/kz900-1000
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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12 Jun 2016 08:14 #731064 by PLUMMEN
Replied by PLUMMEN on topic Piston brand identification.
Wiseco.
Still recovering,some days are better than others.

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12 Jun 2016 08:16 #731065 by MadShad
Replied by MadShad on topic Piston brand identification.
What's the giveaway? How can you tell?
I'd like to know so I can figure it out next time.
Thanks!
Shelbyville, Indiana. '80 KZ1000
No more of that talk or I'll put the leeches on you, understand?

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12 Jun 2016 08:19 - 12 Jun 2016 08:56 #731067 by PLUMMEN
Replied by PLUMMEN on topic Piston brand identification.
The funny looking w on piston pin boss,3rd from last picture.
Somebody spent some time/money on those pistons with the gas porting,Those pistons have some serious domes on them.
What are you going to use them for?
Still recovering,some days are better than others.
Last edit: 12 Jun 2016 08:56 by PLUMMEN.

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12 Jun 2016 08:43 #731070 by MadShad
Replied by MadShad on topic Piston brand identification.
Ah, it looked like a 7 to me,
Wiseco make sense, the "C" stamped on the piston dome denotes the ring style apparently.

Thanks!
Shelbyville, Indiana. '80 KZ1000
No more of that talk or I'll put the leeches on you, understand?

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12 Jun 2016 08:53 #731071 by PLUMMEN
Replied by PLUMMEN on topic Piston brand identification.
Yeah wiseco pistons are pretty easy to spot,No special skills involved in that one! :laugh:
Still recovering,some days are better than others.

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12 Jun 2016 10:06 #731079 by Nessism
Replied by Nessism on topic Piston brand identification.

PLUMMEN wrote: Somebody spent some time/money on those pistons with the gas porting,


I can't see the gas porting. Where?
Ed
Carb O-ring Kits : www.kzrider.com/forum/3-carburetor/61807...-o-ring-kits?start=0

www.kzrider.com/forum/faq-wiki/618026-new-owner-things-to-know

1981 KZ750E2
www.kzrider.com/forum/11-projects/604901...z750e-project-thread

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12 Jun 2016 10:15 #731080 by MadShad
Replied by MadShad on topic Piston brand identification.
They were in the bike, had a stuck ring and was blowing oil out my breather.
Just trying to get it back on the road at this point.
I'll post a link to my other thread.

If these have been worked over I'll rering and reuse the piston I have.
76 kz900 engine with overbored kz1000 cyl block
Shelbyville, Indiana. '80 KZ1000
No more of that talk or I'll put the leeches on you, understand?

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12 Jun 2016 10:47 #731083 by MadShad
Replied by MadShad on topic Piston brand identification.

PLUMMEN wrote: The funny looking w on piston pin boss,3rd from last picture.
Somebody spent some time/money on those pistons with the gas porting,Those pistons have some serious domes on them.
What are you going to use them for?


www.kzrider.com/forum/2-engine/602856-lo...00-1000?limitstart=0

If you feel like catching up
Shelbyville, Indiana. '80 KZ1000
No more of that talk or I'll put the leeches on you, understand?

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12 Jun 2016 20:45 #731146 by PLUMMEN
Replied by PLUMMEN on topic Piston brand identification.

Nessism wrote:

PLUMMEN wrote: Somebody spent some time/money on those pistons with the gas porting,


I can't see the gas porting. Where?

Thats what I call the holes drilled under bottom ring land. ;)
Still recovering,some days are better than others.

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  • SWest
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12 Jun 2016 20:54 #731150 by SWest
Replied by SWest on topic Piston brand identification.
Gas porting was done around the tops of the piston to force the rings out for a better seal. Never had the nerve to try it though. The holes on the sides are for more oiling. My cast Wiseco's have the same mark on the wrist pin boss so they must be wiseco's. The rings are the same for the old cast and newer billet versions.
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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