Help!
the V picked up a sputter today.
it happens in every gear, any speed, between 3.5k and 4k rpm.
it feels like its choking for gas, but only between those rpms...
i just changed the spark plugs yesterday, but put about 200 miles on her then and didnt have this problem. Did about another 150+ today, topped off on gas and continued along my route... It started doing it when i was at freeway speeds.
I did about another 50 miles and then topped off the tank with fresh gas. But it's still doing it. What could it be? What do i do? Has this happened to anyone else? Could it still be the gas? Mayb something in the line/filter? Is so why only at thos rpms?
i'm about 400+ plus miles from home in Las Cruces, NM!
i'll be checking the thread, but if i don't get anywhere with this... I guess i'll be looking for the closest dealership in the morning.

What mileage are you at? Was anything overlooked putting it back together when you changed the spark plugs?

It's at 11.3k miles.
and i'm fairly certain i put it all back together correctly.
i also cleaned the air filter. and changed the oil, though i dont see how that could have anything to do with it.

Could there be something blocking the fuel line, fuel filter?
The fuel pump sound okay? It sounds like a fuel delivery problem.
Any chance of pulling the fuel line to check the flow?

Hope it works out for you,

Got this from http://autorepair.about.com/od/troub...gine_drivn.htm

Symptom: The engine surges or misfires while moving.
The engine seems to start fine and will normally accelerate fine. As you are driving and maintaining a steady speed, the engine seems to "speed up" slightly or it seems to miss and buck.

Possible causes:

1. If you have a carburetor (there are still a few out there), the choke may not
be set properly, or the choke may not be working correctly.
The fix: Check the choke plate and make sure it is opening completely.
2. The engine may be running too hot.
The fix: Check and repair cooling system.
3. The fuel pressure regulator may be operating at low pressure.
The fix: Check fuel pressure with a fuel pressure gauge. Replace fuel pressure
regulator. (Generally not a DIY job)
4. The ignition timing may be set wrong.
The fix: Adjust ignition timing.
5. Ignition system problem.
The fix: Check and replace distributor cap, rotor, ignition wires and spark plugs.
6. There may be a fault in the computerized engine control system: Check
engine control systems with a scan tool. Test circuits and repair or replace
components as required. (Generally not a DIY job)
7. The fuel filter may be partially clogged.
The fix: Replace the fuel filter.
8. There may be a vacuum leak.
The fix: Check and replace vacuum lines as required.
9. Possible internal engine problems.
The fix: Check compression to determine engine condition.
10. EGR valve may be stuck open.
The fix: Replace EGR valve.
11. The fuel injectors may be dirty.
The fix: Clean or replace fuel injectors.

Your problem can happen to anyone of us. Hope this can help.

Try a can of Seafoam, I betting bad gas

Coils not seated properly? Certain rev range vibes them off? Pull your tank, and check your leads.

Got it going again...
it was actually a overoiled air filter...
my bad!

though, i did learn from the experience.
and I have to say the guys at Edge Kawasaki in El Paso, TX are just great.

my warranty had expired, but they diagnosed it for free anyways...
we found it was the filter, they didnt have one in stock...
so they took one out of their own showroom bike and replaced it into mine, for free!
they even took me and the girlfriend out to lunch while they had the mechanics doing the work.
I am very very pleased with this dealership. thnks to George (the parts manager) and Justin (the mechanic) for the great experience.

nice to hear!

Best dealership story I heard be it for cars or motorcycles. Would be nice to put this issue in some sort of FAQ. When I still had my ninja 250 I often visited their website which was full of info gathered over the years.

You ought to send a letter to Kawasaki about these guys. All they usually get are letters complaining about their dealers. The good/great ones need to be recognized also. At least that's my 2 cents worth.

Great post with some valuable info for future reference. I'm glad that it all worked out OK for you. I'm looking forward to hearing how your tire mileage holds up on the ride.
Keep the shiny side up and have fun!