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Carb sync problem

  • colorado kz650sr
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20 Jun 2006 15:37 #55810 by colorado kz650sr
Carb sync problem was created by colorado kz650sr
Hi All, I am new to the board and was hoping for some help.
I have A 79 650SR and I was going to try to adjust the carbs but there are only 2 places to hook up the lines too, the #2 and #3 carbs. What I got from the Clymer book (which isn't very helpfull with carbs) is that there should be a spot to plug in on the rubber boots that connect the carbs to the intake. There was even a pic but mine is different. I only had them on the 2 middle carbs not the outers. How do I test the outer carbs to adjust them?
Thanks
Jamie

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20 Jun 2006 16:18 #55823 by RonKZ650
Replied by RonKZ650 on topic Carb sync problem
Welcome to KZrider. I think you are misunderstanding where to hook the vaccuum lines. Don't hook them to the carburetors fittings. Those are just breather lines. On your 4 black rubber intake manifolds that mount the carburetors to the head, each one has a vaccuum port. On 78 and prior years all 4 are positioned pointing down and out with a rubber cap you remove to have access to hook your vaccuum lines. On a 79 the 2 inner carbs will have this setup, but the 2 outer carbs will have the manifolds mounted with the vaccuum port facing up and in with vaccuum lines attached to them. On these you simply remove the existing vaccuum lines and hook your carb synchronizer lines there instead. This gives you your 4 spots to hook the synchronizer to.

321,000 miles on KZ's that I can remember. Not going to see any more.

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  • colorado kz650sr
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20 Jun 2006 16:35 #55831 by colorado kz650sr
Replied by colorado kz650sr on topic Carb sync problem
thanks, I will give that a try. Just wasn't sure where to hook the outers to.
I see Ron that you don't live that far from me. I just live down south of you in Littleton.

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21 Jun 2006 07:41 #55971 by wiredgeorge
Replied by wiredgeorge on topic Carb sync problem
Go to my web site. There is a VM carb connection link that should help you.

wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!

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