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Sandr · June 7th, 2021, 09:27 AM

I lived in NY so 8 months of the year the bike was in the garage covered up. only has 9k miles on it, driven very lightly.

My 09 Ninja 250r Idles great when the choke is on. When i press the accelerator 10-15% the rpms drop until the bike stalls. At first i thought it was a dirty carb so i dissassembled it several times cleaned and put them back in. Same issue.

There is no fuel leak, but i suspect there is a vaccume leak, maybe an O ring between the carbs. not sure. Has anyone had this problem? Is there a Vaccume hose diagram anywhere? just so i now what to troubleshoot.

June 7th, 2021, 09:27 AM	#1
Sandr ninjette.org member Name: Steve Location: Fort Wayne Join Date: Jun 2021 Motorcycle(s): 2009 Ninja 250r Posts: 14	09 250R possible vacuum Leak? I lived in NY so 8 months of the year the bike was in the garage covered up. only has 9k miles on it, driven very lightly. My 09 Ninja 250r Idles great when the choke is on. When i press the accelerator 10-15% the rpms drop until the bike stalls. At first i thought it was a dirty carb so i dissassembled it several times cleaned and put them back in. Same issue. There is no fuel leak, but i suspect there is a vaccume leak, maybe an O ring between the carbs. not sure. Has anyone had this problem? Is there a Vaccume hose diagram anywhere? just so i now what to troubleshoot.