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ans008 · November 20th, 2013, 12:34 PM

So a while back I had to replace my fuel petcock as it was damaged, but I am still running into the same issue; bike will only run with petcock in PRIME position. I disconnected the vacuum hose at the carb with the bike running, and I found that there is VERY little vacuum present. Do any of y'all have any ideas as to why this is happening? The bike runs perfectly fine otherwise.

November 20th, 2013, 12:34 PM	#1
ans008 ninjette.org member Name: Andrew Location: Northwest Arkansas Join Date: Mar 2013 Motorcycle(s): 08 Ninja 250R Posts: 29	Weak Vacuum So a while back I had to replace my fuel petcock as it was damaged, but I am still running into the same issue; bike will only run with petcock in PRIME position. I disconnected the vacuum hose at the carb with the bike running, and I found that there is VERY little vacuum present. Do any of y'all have any ideas as to why this is happening? The bike runs perfectly fine otherwise.