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n4mwd · July 4th, 2013, 07:13 PM

Yesterday it was running at 70mph, but stuttering, with the EFI carb. Today, with the cleaned original carb, its running good on the low end, but has a problem at 50 mph.

Its related to speed. I can rev it at idle with no problem. It does seem a bit wimpy though - even under 50, but over fifty it makes a sound like it does when it runs out of gas. OR when you close the throttle at speed and let it coast. It sounds like one cylinder is trying to go and the other is trying to coast.

I'll take it out again tomorrow and pay closer attention to RPM and speed and gear and such.

Its possible that I missed some of the little passages. I will take it apart again tomorrow and see if it will help.

I don't think its the CDI because the CDI doesn't know anything about load - only RPM, but I do have a spare so I can swap it and see.

Sheesh. It sounds like freaking World War 3 out there right now.

July 4th, 2013, 07:13 PM	#3
n4mwd ninjette.org certified postwhore Name: D Location: Palm Beach, FL Join Date: Oct 2010 Motorcycle(s): 2006 Ninja 250R, 2007 EFI Ninja 250R Posts: A lot. Blog Entries: 1	Yesterday it was running at 70mph, but stuttering, with the EFI carb. Today, with the cleaned original carb, its running good on the low end, but has a problem at 50 mph. Its related to speed. I can rev it at idle with no problem. It does seem a bit wimpy though - even under 50, but over fifty it makes a sound like it does when it runs out of gas. OR when you close the throttle at speed and let it coast. It sounds like one cylinder is trying to go and the other is trying to coast. I'll take it out again tomorrow and pay closer attention to RPM and speed and gear and such. Its possible that I missed some of the little passages. I will take it apart again tomorrow and see if it will help. I don't think its the CDI because the CDI doesn't know anything about load - only RPM, but I do have a spare so I can swap it and see. Sheesh. It sounds like freaking World War 3 out there right now. __________________________________________________ My Ninja Blog Proud member of ABATE.My NYC Road Rage documentary - CENSORED!