Are the 28's with acc pump any good?

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10 Mar 2014 14:48 #624743 by kzz1king
Are the 28's with acc pump any good? was created by kzz1king
Just bough a 79 Mark II motor with the 28 ans a acc pump. Are these carbs pretty decent. I am pretty sure I will be using them with pods and a header as I have no airbox. Just looking for a little feedback on them.
Wayne

74 Z1 1075, 29 smoothbores, owned and ridden since 1976
Home built KZ1000 turbo setup

www.kzrider.com/forum/11-projects/532476...s-budget-turbo-build

www.kzrider.com/forum/11-projects/532489-74-z-makeover

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10 Mar 2014 15:04 #624745 by loudhvx
Replied by loudhvx on topic Are the 28's with acc pump any good?
Yes, once you eliminate the accelerator pump and rejet accordingly. Since you wil be rejetting anyway, not an issue. You just need a block-off plate.

The pump was really more of an emissions/fuel-mileage issue, in my opinion. It allowed for leaner jetting while cruising, while still enrichening during acceleration. Upjetting the pilot and/or needle is more consistent and gets rid of a bunch of variables.

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10 Mar 2014 17:32 #624752 by les holt

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10 Mar 2014 18:08 #624761 by GPzEric
Replied by GPzEric on topic Are the 28's with acc pump any good?
I liked the accelerator pumps - on a warm day I'd hop on it, twist the throttle a couple of times, and fire it up with no choke required.

My wife asked me if I still loved her - I said "Honey, I love you more than new carburetor boots ! "
1982 KZ1100B2 (GPz)
1982 KZ750R1 (GPz)
(2) 1981 KZ550D1 (GPz) 1 mint, 1 under construction
1983 GS1100E

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10 Mar 2014 18:48 #624766 by kzz1king
Replied by kzz1king on topic Are the 28's with acc pump any good?
I will keep that in mind Les. One slide is stuck pretty tight in the bore. I think I will give the pump a try if I get these working. That does souns nice GPZEric.
Wayne

74 Z1 1075, 29 smoothbores, owned and ridden since 1976
Home built KZ1000 turbo setup

www.kzrider.com/forum/11-projects/532476...s-budget-turbo-build

www.kzrider.com/forum/11-projects/532489-74-z-makeover

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11 Mar 2014 11:21 #624825 by Nessism
Replied by Nessism on topic Are the 28's with acc pump any good?

kzz1king wrote: I will keep that in mind Les. One slide is stuck pretty tight in the bore. I think I will give the pump a try if I get these working. That does souns nice GPZEric.
Wayne


A heat gun on the carb body will soften the varnish post haste, and allow the slide to fall free.

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11 Mar 2014 18:14 #624886 by kzz1king
Replied by kzz1king on topic Are the 28's with acc pump any good?
Brilliant minds think alike! That is what I did and it worked great! Then I read it here :cheer:

Nessism wrote:

kzz1king wrote: I will keep that in mind Les. One slide is stuck pretty tight in the bore. I think I will give the pump a try if I get these working. That does souns nice GPZEric.
Wayne


A heat gun on the carb body will soften the varnish post haste, and allow the slide to fall free.


74 Z1 1075, 29 smoothbores, owned and ridden since 1976
Home built KZ1000 turbo setup

www.kzrider.com/forum/11-projects/532476...s-budget-turbo-build

www.kzrider.com/forum/11-projects/532489-74-z-makeover

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

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