CR Special roundslide carb question.

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16 Oct 2008 05:58 #242068 by babyELR
CR Special roundslide carb question. was created by babyELR
My current bike has a set of CR Special round slide carbs on it. My question is, each carb has an "L tube out the left side front of the carb. Is this a vaccuum port, vent port, or overflow? Trying to figure out if these should be capped off or not. Anyone?
current bike:
1982 GPZ-750
past bikes:
1978 Z1-R
1982 KZ-550, 615 kit, cams, head-work
1978 GS-1000 drag bike (younger days fun)

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16 Oct 2008 07:06 #242084 by 531blackbanshee
Replied by 531blackbanshee on topic CR Special roundslide carb question.
what part of the carb does the hole communicate with?does it go into the throat of the carb or does it go into the bowl area?if it goes into the throat area where it could be pulling air in it needs capped,if it goes into the bowl area it could be a vent to the atmosphere.i am not familiar with your particular carbs but finding out where the holes are feeding into can help you decide to cap or not.hth.
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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16 Oct 2008 09:53 #242110 by babyELR
Replied by babyELR on topic CR Special roundslide carb question.
Looks to be the throat, and does seem to be pulling light vaccuum.
current bike:
1982 GPZ-750
past bikes:
1978 Z1-R
1982 KZ-550, 615 kit, cams, head-work
1978 GS-1000 drag bike (younger days fun)

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  • mark1122
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17 Oct 2008 18:59 #242337 by mark1122
Replied by mark1122 on topic CR Special roundslide carb question.
Have u tried to find a parts diagram? Maybe Sudco or Keihin? someone that sells the carbs online?
76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.

~ ~ ~_@
~ ~ _- \,
~ (k) / (z)

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17 Oct 2008 22:14 #242365 by timebomb33
Replied by timebomb33 on topic CR Special roundslide carb question.
it is a bowl vent it's a black plastic elbow .
1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE

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19 Oct 2008 07:31 - 19 Oct 2008 07:32 #242593 by The Fish
Replied by The Fish on topic CR Special roundslide carb question.
These?(under the "CR' Decals)
They are where the choke circuit gets air when it is on. Don't cap them. I dont know why Keihin uses this weird set up.
478
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Last edit: 19 Oct 2008 07:32 by The Fish. Reason: Picture malfunction

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19 Oct 2008 07:31 #242594 by babyELR
Replied by babyELR on topic CR Special roundslide carb question.
Tried to find out what it was, but can only find a break-down diagram.
It's a bowl vent? Ok I'll leave it be, thanks
current bike:
1982 GPZ-750
past bikes:
1978 Z1-R
1982 KZ-550, 615 kit, cams, head-work
1978 GS-1000 drag bike (younger days fun)

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  • mark1122
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  • Keep twisting it
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19 Oct 2008 08:15 #242606 by mark1122
Replied by mark1122 on topic CR Special roundslide carb question.
Wich bike are u running them on? How do u like them?
76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.

~ ~ ~_@
~ ~ _- \,
~ (k) / (z)

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19 Oct 2008 09:35 - 19 Oct 2008 09:40 #242620 by Old Man Rock
Replied by Old Man Rock on topic CR Special roundslide carb question.
Everything you need to know and then some...

www.keihin-us.com/am/products/crs.php
www.keihin-us.com/am/products/crs.php
www.carbparts.com/keihin/needles_tuning/keihin_tuning.htm

OMR
923
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: 19 Oct 2008 09:40 by Old Man Rock.

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02 Dec 2008 05:47 #250335 by babyELR
Replied by babyELR on topic CR Special roundslide carb question.
I am running them on my GPZ-750. They run strong, but I think I need to drop the needles on setting. The bike occasionally tried to foul the plugs at midrange, but runs hard at low and high rpm's.
current bike:
1982 GPZ-750
past bikes:
1978 Z1-R
1982 KZ-550, 615 kit, cams, head-work
1978 GS-1000 drag bike (younger days fun)

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02 Dec 2008 05:48 #250336 by babyELR
Replied by babyELR on topic CR Special roundslide carb question.
I am running them on my GPZ-750. They run strong, but I think I need to drop the needles on setting. The bike occasionally tried to foul the plugs at midrange, but runs hard at low and high rpm's.
current bike:
1982 GPZ-750
past bikes:
1978 Z1-R
1982 KZ-550, 615 kit, cams, head-work
1978 GS-1000 drag bike (younger days fun)

Please Log in or Create an account to join the conversation.

More
02 Dec 2008 05:48 #250337 by babyELR
Replied by babyELR on topic CR Special roundslide carb question.
I am running them on my GPZ-750. They run strong, but I think I need to drop the needles on setting. The bike occasionally tried to foul the plugs at midrange, but runs hard at low and high rpm's.
current bike:
1982 GPZ-750
past bikes:
1978 Z1-R
1982 KZ-550, 615 kit, cams, head-work
1978 GS-1000 drag bike (younger days fun)

Please Log in or Create an account to join the conversation.

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