Yoshiumira KZ Exhaust: Measurements anyone????

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04 Jan 2010 10:32 - 04 Jan 2010 10:33 #341791 by Old Man Rock
Hey all,

Found this on the web and if anyone has this pipe, need some measurements for possible re-production....:woohoo:

OMR May be going into the exhaust fab.... :ohmy:

Attachment Yoshiumira_KZ_Exhaust.doc not found


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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Last edit: 04 Jan 2010 10:33 by Old Man Rock.

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04 Jan 2010 12:32 #341804 by PLUMMEN
thats the other style yosh pipe B)

Still recovering,some days are better than others.

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04 Jan 2010 12:53 #341806 by PLUMMEN
say hello to your new $2100.00 best friend! :woohoo:

Still recovering,some days are better than others.
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04 Jan 2010 16:06 #341812 by Old Man Rock
Replied by Old Man Rock on topic Yoshiumira KZ Exhaust: Measurements anyone????
Ouch.....

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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04 Jan 2010 17:09 #341814 by keith1
Old Man Rock wrote:

Ouch.....





takes money to make money.....:woohoo:

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04 Jan 2010 18:17 #341823 by Old Man Rock
Replied by Old Man Rock on topic Yoshiumira KZ Exhaust: Measurements anyone????
No doubt... Same time, found a couple good sites where pre-fabbed SS bends and 4-1 couplers are available... Also have megaphones....

Spendy crap... Also looking into Titanium piping....

First thing first, build a template using carbon steel then worry about the other alloy's.... Hell of a lot cheaper...

Just researching for the time being...

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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04 Jan 2010 18:35 - 08 Jan 2010 04:32 #341828 by PLUMMEN
some car header manufacturers sell kits which are basically flex pipe that you bend into shape and fill with expanding foam,once it drys you send it to them to copy off of.

Still recovering,some days are better than others.
Last edit: 08 Jan 2010 04:32 by PLUMMEN.

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04 Jan 2010 18:38 #341830 by Old Man Rock
Replied by Old Man Rock on topic Yoshiumira KZ Exhaust: Measurements anyone????
Well don't sweat it too much due to the prices just for some of this piping, hell I can buy another Kerker cheaper....

Still, would be cool! B)

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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04 Jan 2010 19:10 - 04 Jan 2010 19:13 #341838 by PLUMMEN
buy yourself a 1/2" emt bender and about a 100' of conduit and start practicing differant shapes till ya find what ya like,then take it to your local stockcar builder with a bunch of mild steel tubing to transfer your dimensions on to ya cheap bass-turd! :laugh: make sure to lay out your conduit to the center of your existing pipes to aloow for differance in diameter between the 2. B) remember to allow 5" for takeup on your bends for a 90 on 1/2" emt,6" for 3/4" emt or 8" for 1" emt depending on what ya buy.for 1" pipe ya might want to have mama help your skinny ass bend it! :woohoo:

Still recovering,some days are better than others.
Last edit: 04 Jan 2010 19:13 by PLUMMEN.

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05 Jan 2010 06:45 #341883 by Jack
This is the original Yoshimura pipe, pic was scanned from my 1975 catalogue. The prices make me cry...

79 KZ 1075 MKll
79 KZ 1500 MKll dragbike
Gone but not forgotten:
3 X 73 Z1's
1 X 74 Z1A
1 X 75 Z1B

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05 Jan 2010 07:02 #341887 by 531blackbanshee
Replied by 531blackbanshee on topic Yoshiumira KZ Exhaust: Measurements anyone????
you need one of these to get those long radius bends

,which has to be better flowing than two 90 deg.close bends.plus the long radius bend will always look more vintage,or so i think anyways :laugh: .

leon holmes

skiatook,oklahoma 1980 z1r,1978 kz 1000 z1r x 3,
1976 kz 900 x 3
i make what i can,and save the rest!

billybiltit.blogspot.com/

www.kzrider.com/forum/5-chassis/325862-triple-tree-custom-work

kzrider.com/forum/5-chassis/294594-frame-bracing?limitstart=0
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05 Jan 2010 07:37 - 08 Jan 2010 04:31 #341891 by PLUMMEN
Jack wrote:

This is the original Yoshimura pipe, pic was scanned from my 1975 catalogue. The prices make me cry...

thats the one im talking about!

Still recovering,some days are better than others.
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Last edit: 08 Jan 2010 04:31 by PLUMMEN.

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