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GunnaBoyEB · September 4th, 2014, 12:06 AM

Hey folks,

So I am new to the motorcycle world and have acquired a 06 Ninja to commute to work and just ride around on. I am really enjoying myself thus far but there's a nagging issue with the bike that I am at a loss about (and all of my friends/coworkers are too.)

After riding around a bit (warm up) and coming to a stop light, the bike will idle at about 3k - 4k RPMs. Just sitting at the light not touching anything, clutch in, irrelevant of gear or neutral. I have played with the throttle, as if to close it with no change in RPMs. The choke is not engaged at all, I've messed with that too while sitting there. Idle knob has been tinkered with quite a bit but I am not an expert so I am not even sure if it has been done right. I know you have to warm the bike up and then adjust to the proper RPM (1k - 1.5k ish) which I have done.

The only time I can get the idle RPM to come down is if I let the gear catch a little, bring the RPMs down (due to gear catch) and then pull in the clutch at the normal idle range of 1.2k~.

Bikes condition: It sat for a while I know, but I have filled up the fuel tank a few times already and I have run out of gas once (sans reserve.) Less than 5k miles (yes, less than 5k on an 8 year old bike.) I put seafoam into this current tank to see if that would clear anything up and it hasn't made a difference that I can tell. I have noticed that in the fuel line right off the tank there is some air bubbles in the line at lower RPMs. I also witnessed some what appears to be "spitting" near that same clear gas line. I cannot see the drops or where they come from, but I can see them hitting the hot metal and evaporate away.

The carburetor has been replaced entirely recently and the air filter was replaced prior to my owning the bike, but at this point I'll check anything. I just don't know where to start and my tools/funds/knowledge are limited as I am pretty new at this and I do not have a huge tool collection. Any help would be appreciated. Sorry for the lengthy post but I am stumped and just do not know where to go with this. If you need anymore information I'll do my best to supply it.

Thanks!

September 4th, 2014, 12:06 AM	#1
GunnaBoyEB ninjette.org newbie Name: Carter Location: Hawaii Join Date: Aug 2014 Motorcycle(s): 2006 Kawasaki Ninja EX250 Posts: 2	2006 Ninja 250 High Idle RPM Hey folks, So I am new to the motorcycle world and have acquired a 06 Ninja to commute to work and just ride around on. I am really enjoying myself thus far but there's a nagging issue with the bike that I am at a loss about (and all of my friends/coworkers are too.) After riding around a bit (warm up) and coming to a stop light, the bike will idle at about 3k - 4k RPMs. Just sitting at the light not touching anything, clutch in, irrelevant of gear or neutral. I have played with the throttle, as if to close it with no change in RPMs. The choke is not engaged at all, I've messed with that too while sitting there. Idle knob has been tinkered with quite a bit but I am not an expert so I am not even sure if it has been done right. I know you have to warm the bike up and then adjust to the proper RPM (1k - 1.5k ish) which I have done. The only time I can get the idle RPM to come down is if I let the gear catch a little, bring the RPMs down (due to gear catch) and then pull in the clutch at the normal idle range of 1.2k~. Bikes condition: It sat for a while I know, but I have filled up the fuel tank a few times already and I have run out of gas once (sans reserve.) Less than 5k miles (yes, less than 5k on an 8 year old bike.) I put seafoam into this current tank to see if that would clear anything up and it hasn't made a difference that I can tell. I have noticed that in the fuel line right off the tank there is some air bubbles in the line at lower RPMs. I also witnessed some what appears to be "spitting" near that same clear gas line. I cannot see the drops or where they come from, but I can see them hitting the hot metal and evaporate away. The carburetor has been replaced entirely recently and the air filter was replaced prior to my owning the bike, but at this point I'll check anything. I just don't know where to start and my tools/funds/knowledge are limited as I am pretty new at this and I do not have a huge tool collection. Any help would be appreciated. Sorry for the lengthy post but I am stumped and just do not know where to go with this. If you need anymore information I'll do my best to supply it. Thanks!