rebuilt carbs..still running poorly

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25 May 2014 12:19 #633940 by minibikepilot
rebuilt carbs..still running poorly was created by minibikepilot
OK..I have had my 1980 kz1000 shaft carbs completely gone through..cleaned, jetted, etc...

it starts up great on choke....but when the choke is off..it sputters and bogs when i try to give it gas....
I hooked up the vacuum line to the #3 carb? wanted to make sure i have it hooked up right before i start turning screws..
like i said on choke it runs great no bog or sputtering

off choke, poor idle, popping, bogs out with acceleration

any help would be greatly appreciated...

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25 May 2014 13:22 #633947 by 650ed
Replied by 650ed on topic rebuilt carbs..still running poorly
Are all the vacuum ports on the carb holders capped? Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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25 May 2014 13:47 #633949 by minibikepilot
Replied by minibikepilot on topic rebuilt carbs..still running poorly
no

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25 May 2014 14:52 #633950 by 650ed
Replied by 650ed on topic rebuilt carbs..still running poorly

minibikepilot wrote: no


They should be. Cap them and see how it runs. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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25 May 2014 15:24 #633953 by minibikepilot
Replied by minibikepilot on topic rebuilt carbs..still running poorly
Capped them same issue.

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01 Jun 2014 16:26 #634921 by minibikepilot
Replied by minibikepilot on topic rebuilt carbs..still running poorly
I have made small clockwise turns to each air screw. About an 8 th to 1/4. Still a little spitting out of 4th carb. Do I still keep turning until it sounds right?

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01 Jun 2014 16:59 #634924 by 650ed
Replied by 650ed on topic rebuilt carbs..still running poorly
Are you using the stock air box and air filter? Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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01 Jun 2014 17:16 #634928 by minibikepilot
Replied by minibikepilot on topic rebuilt carbs..still running poorly
Jetted for 4:1 kerker. Cleaned rejetted synced. Aftermarket pods. Vacuum hose hooked up to #3 carb. Others capped off. Just popping and spitting on low idle rpms

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01 Jun 2014 17:27 #634933 by 650ed
Replied by 650ed on topic rebuilt carbs..still running poorly
Sounds like more jetting work required to make it run ok with pods. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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01 Jun 2014 17:32 #634934 by minibikepilot
Replied by minibikepilot on topic rebuilt carbs..still running poorly
Nah. Just a few more tweaks I believe. But this has plagued me for months. Might just sell it and go for a fuel injected kawi

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03 Jun 2014 05:27 #635111 by minibikepilot
Replied by minibikepilot on topic rebuilt carbs..still running poorly
So I made it run a little richer and it's doing better but I'm not 100% confident yet. Seems like I had to make several clockwise adjustments but it's running better.

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