1999 carb issues - Honda Valkyrie F6C Forum
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post #1 of 5 (permalink) Old 03-16-2019, 05:35 PM Thread Starter
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1999 carb issues

I just rebuilt all 6 carbs and added a stage 1 kit which turned out to be just a new main needle. followed all instructions and now it will only start and idle (slowly) while at full choke. I pulled the tank and made sure the vaccume petcock was working properly and now I'm stumped. Has anyone had this happen to them? Part of the stage 1 kits instructions had me set all the airflow screw out from 2 fulls turs from bottom to 2 1/2 turns out, could this be it?
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post #2 of 5 (permalink) Old 03-16-2019, 08:39 PM
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Have you checked to see if all the carbs are in synch?

14 Valkyrie
02 Moto Guzzi V11 LeMans
02 Moto Guzzi V11 Scura
07 Yamaha YZF-R6
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post #3 of 5 (permalink) Old 03-17-2019, 05:30 PM
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air screws are for idle mixture only ,put them back to the number of turns out you found them . can't remember ?? check factory specs. synch has nothing to do with it.

Last edited by f6fig; 03-17-2019 at 05:32 PM.
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post #4 of 5 (permalink) Old 03-17-2019, 10:22 PM
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It should run better than that if the kit was for your make and model.

Set the air screws to stock. You don't normally have to touch them

Did the bike run correctly before the kit?
Are you familiar with how the Carbs work?
Do you feel confident in your work?
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post #5 of 5 (permalink) Old 12-28-2020, 01:45 PM
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Did you get this sorted?

Mine is exactly the same!!
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