KZ1000 Exhaust Collars on KZ900?

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21 Oct 2008 17:28 #243117 by Old Man Rock
KZ1000 Exhaust Collars on KZ900? was created by Old Man Rock
Hey all,

As some of you have already accomplished this I have a question...

As depicted in the attached top image, the KZ900 comes with the crown collars and 2 piece split keepers per cylinder exhaust.

I want to upgrade to the KZ1000 configuration lower two images but I'm not sure if the exhaust muffler connecting gasket is the correct ones to replace the split keepers.
Is this correct?

Also, will this fit in my KZ900 head or do I require some modifications for a proper seal?

NOTE: I do realize the exhaust studs on the KZ1000 are 8mm versus the KZ900's 6mm... Washer's will taker care of that.

Thanks

OMR

1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az
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21 Oct 2008 18:47 - 21 Oct 2008 19:33 #243126 by keith1
Replied by keith1 on topic KZ1000 Exhaust Collars on KZ900?
OMR,
i am using those alum collars with the split gasket holders. the aluminum collars are far superior to the factory heat, cool, and snap ones that look stock. i think the aluminum ones look cooler too !!...the two pc gasket holders are a pain in the ass to install, but they look to be the right ones..looking at your diagram, they dont show a listing for solid rings for my bike and without backing up , i m not sure they have one for yours...would be nice as they look a lot easier to install..i had to back out studs a turn or two
to get alum collars to go on..thicker than the stock jobs..
i would think you would be good with the aluminum collars and the split gasket holders....just my .02.....keith
Last edit: 21 Oct 2008 19:33 by keith1. Reason: grammatically retarded

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21 Oct 2008 18:55 #243128 by keith1
Replied by keith1 on topic KZ1000 Exhaust Collars on KZ900?
pics.........
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21 Oct 2008 18:56 #243129 by keith1
Replied by keith1 on topic KZ1000 Exhaust Collars on KZ900?
pic
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21 Oct 2008 18:59 #243131 by PLUMMEN
Replied by PLUMMEN on topic KZ1000 Exhaust Collars on KZ900?
your 900 head should be physically same as 77-78 kz1000,the z1 head used smaller exhuast studs but still physically same otherwise.;)

Still recovering,some days are better than others.

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22 Oct 2008 03:27 #243184 by Patton
Replied by Patton on topic KZ1000 Exhaust Collars on KZ900?
Old Man Rock wrote:

Hey all,

As some of you have already accomplished this I have a question...

As depicted in the attached top image, the KZ900 comes with the crown collars and 2 piece split keepers per cylinder exhaust.

I want to upgrade to the KZ1000 configuration lower two images but I'm not sure if the exhaust muffler connecting gasket is the correct ones to replace the split keepers.
Is this correct?

Also, will this fit in my KZ900 head or do I require some modifications for a proper seal?

NOTE: I do realize the exhaust studs on the KZ1000 are 8mm versus the KZ900's 6mm... Washer's will taker care of that.

Thanks

OMR


Both KZ900 and KZ1000 use the split keepers.

The "exhaust muffler connecting gasket" isn't used at the header/port interface. Am thinking it's used to seal the cross-over pipe on oem KZ1000 system (perhaps #13).

Good Luck! :)

1973 Z1
KZ900 LTD

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22 Oct 2008 05:40 #243192 by BSKZ650
Replied by BSKZ650 on topic KZ1000 Exhaust Collars on KZ900?
I am using the same set up, I like it ,,,, also to hold the split collers in place, a small piece of masking tape will work, and when it fires up it burns off quick

77 kz650, owned for over 25 years
77 ltd1000, current rider
76 kz900, just waiting
73 z1,, gonna restore this one
piglet, leggero harley davidson
SR, Ride captian, S.E.Texas Patriot Guard Riders.. AKA KawaBob

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22 Oct 2008 07:15 #243207 by Old Man Rock
Replied by Old Man Rock on topic KZ1000 Exhaust Collars on KZ900?
Oops... forgot to mention, exhaust is a Kerker, shouldn't really matter though.

Ok, thanks guys for the infomrmation/confirmation, I think I have it down where I still require the split collars with the new style exhaust flanges... BTW, I do have the copper gaskets so no issues there...

Thanks again,

OMR

1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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