Are these the right jets ??

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22 Dec 2008 02:39 - 22 Dec 2008 02:42 #254055 by triggerbilly
Are these the right jets ?? was created by triggerbilly
OK i've just put pods onto my 1982 kz 750-e3
I just wanna check if these are the right jets to order

here is the link to the mains....
www.z1enterprises.com/detail.aspx?ID=1928

and the pilots are......
www.motorcyclecarbs.com/KEIHIN_PILOT_JET_N424-25_40_P4746.cfm



I think they are right from what i can make out
I just need to double check

thanks
Trigger

1982 kz750-e3
1983 cb1000c
plano. TX
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Last edit: 22 Dec 2008 02:42 by triggerbilly.

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22 Dec 2008 07:17 #254090 by wiredgeorge
Replied by wiredgeorge on topic Are these the right jets ??
The pilot jet you show is significantly shorter than the pilot jet used in the CV34 and won't work. The main jets are correct.

wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
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22 Dec 2008 14:53 #254174 by triggerbilly
Replied by triggerbilly on topic Are these the right jets ??
Yeah i thought the pilot might be wrong.
any ideas which one i do need ???

1982 kz750-e3
1983 cb1000c
plano. TX

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22 Dec 2008 16:10 #254191 by wiredgeorge
Replied by wiredgeorge on topic Are these the right jets ??
I don't think you will find them. I have never seen them on a Keihin pilot (slow) jet list and don't even know their Keihin part number. If you bump up the main jet size to a 68 or 70 it will do nicely compensating. 140 secondary mains will be about right.

wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
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22 Dec 2008 16:15 - 22 Dec 2008 16:21 #254193 by triggerbilly
Replied by triggerbilly on topic Are these the right jets ??
so i just change the mains then, and leave everything else alone ?

forget that ......
i just looked at the diagrams and see i need the 140 2nd jets now !!!

1982 kz750-e3
1983 cb1000c
plano. TX
Last edit: 22 Dec 2008 16:21 by triggerbilly.

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22 Dec 2008 16:20 #254195 by wiredgeorge
Replied by wiredgeorge on topic Are these the right jets ??
I think that it has already been mentioned you will need to change the pilot jets. I would try about a 140 main and 47.5 pilot jets to start. I have another way of rejetting the 750 BS38s so I don't know what jets will be needed nor does anyone else as there have never been a really good source of main jets. Buy a bunch of jets and experiment as shipping will be more than the jets I suspect. The pilot jets are available at z1enterprises.com and are type Mikuni BS30/96 and will be cheaper to buy here in the states.

wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
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22 Dec 2008 16:37 #254198 by triggerbilly
Replied by triggerbilly on topic Are these the right jets ??
OK
sorry for all the dumb Q's

so are these right ....

www.motorcyclecarbs.com/MIKUNI_PILOT_JET..._47_5_P10376C798.cfm


I'm pretty confused now
so i need to order ..
mains #140
pilots MIKUNI PILOT JET BS30/96 #47.5

what about secondary mains ???

HELP I'M A DUMB-ASS !!!!!!

1982 kz750-e3
1983 cb1000c
plano. TX

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23 Dec 2008 23:19 #254401 by triggerbilly
Replied by triggerbilly on topic Are these the right jets ??

1982 kz750-e3
1983 cb1000c
plano. TX

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24 Dec 2008 06:46 #254424 by wiredgeorge
Replied by wiredgeorge on topic Are these the right jets ??
Have you looked at your main jets? The jet pictured in the 2nd link is NOT a main jet in the sense that you need. It is a secondary main jet and won't work. Your "main" jet is a barrel shaped affair. They are a bit difficult to find.

wiredgeorge Motorcycle Carburetors
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24 Dec 2008 11:35 - 24 Dec 2008 11:36 #254498 by triggerbilly
Replied by triggerbilly on topic Are these the right jets ??
Does anyone out there know where i can find these
barrel shaped affair's !!!

seriously thinkin of buying some new airbox hose/ducts and going back to the box !!!

1982 kz750-e3
1983 cb1000c
plano. TX
Last edit: 24 Dec 2008 11:36 by triggerbilly.

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24 Dec 2008 14:42 - 24 Dec 2008 14:43 #254518 by jmargrav
Replied by jmargrav on topic Are these the right jets ??
HI, I have the same bike and went through the same thing that you are right now, these jets are hard to find but i ordered mine from SUDCO, about $30 including shipping for four of them. I will try to link the page but have never done it before.

www.sudco.com/keihinjets.html

2nd to last jet on the bottom of the page, 8.5 mm, slow air jet

1982 KZ750-E3
Lariamie Wyoming GO WYO!
Last edit: 24 Dec 2008 14:43 by jmargrav.

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24 Dec 2008 15:43 #254525 by triggerbilly
Replied by triggerbilly on topic Are these the right jets ??
Thanks alot
that's a BIG help
I guess the pods still have a chance now !!!!

1982 kz750-e3
1983 cb1000c
plano. TX

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