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Re: sputters past 1/4 idle no power
Put the bike on level ground, support on stands, switch off petrol and drain the carbs. Close the carbs and using the pipe from the tank (disconected) to the carbs fill with a quality carb cleaner and leave overnight. Drain the carbs, connect everything back up and start up. Try and get into the habit of switching off the petrol before you stop the engine, just to partially drain the carbs, esp'ly if you intend to leave for any period of time.
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Hi, Anonymous if your bike has been sitting idle for weeks, months or years and you did not do any pre-storage maintenance I feel your pain it will probably have a dead battery and not want to start or if it starts it will not idle unless the choke is full on and run poorly then stall, here are the following steps necessary to complete in order to get your bike back to an acceptable running condition and in the future use a fuel stabilizer before putting your bike in storage for the winter.
1. If your battery was 2-3 years old when you last had the bike running you should replace it.
2. If you believe your battery might still be serviceable remove it from the bike and put it on a 1 or 2 amp trickle charger for 24 hours. If it is the old lead acid type with visible cells and acid levels fill each cell to the top line with distilled water and replace the caps, run the vent tube into a plastic or styrofoam cup, any cells that are cloudy/milky replace the battery.
3. After charging the battery remove the leads and let it sit for a couple of hours then check the battery voltage with a voltmeter, you should have 12.5 volts or more, any readings in the 11 volt range you need to do a proper "LOAD" test on the battery and replace as necessary, you may have 12.5 volts or better but little or zero amps, any readings in the 10 volt range you have a dead cell and the battery needs to be replaced.
4. Drain and flush fuel tank if it rusty there is a cheap and easy fix. https://www.youtube.com/watch?v=fUYr_7SwGms
5. Remove and inspect your air cleaner paper elements that are not oil soaked can be cleaned with a soft brush and low pressure compressed air, oil-soaked elements must be replaced. Gause mesh and foam elements can be cleaned by soaking them in a container big enough to completely cover them with a solution of 1 gallon of water and 1 oz. of Dawn dishwashing liquid for small and medium size elements, for monster size double the formula and let soak for at least one hour then rinse with warm water shake off excess and let air dry, "WARNING" do not use compressed air as this will embed micro-sized dirt and road grime and destroy the mesh pattern and stretch foam elements out of shape just squeeze it like a sponge and let air dry, use a fan if you're in a hurry. When completely dry spray a very fine mist of air filter oil evenly around the whole element.
6. Remove the carburetors, disassemble and decontaminate with a "CARB DIP" or if you have EFI remove injectors and clean with carb spray and compressed air
7. Check intake manifold and seals for leaks and craks.
8. Remove fuel valve and filter disassemble and clean as necessary, remove, clean, and inspect fuel and vacuum lines and replace as necessary.
9. Replace spark plugs with new ones and check for spark.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day. Motorcycle Views How To Get Stored Motorcycle Running Motorcycle Repair Kawasaki ZX9R Ninja 1998 2001 Service repair manual Download Manuals... $15 OEM Parts for Kawasaki Kawasaki Ninja Owners Manuals
If the bike sat up for the winter, it's a real possibility the carb jets and fuel passages are gummed up. If this is the case, I recommend 1/4 to 1/2 can of SeaFoam added to your fuel. Lock down the front brake and rock the bike back and forth to mix the additive with the gas. Crank the bike and run at high idle for a few minutes, and since it is rideable, ride like you normally do and see if it gets more responsive after an hour or so.
If the bike ran fine prior to putting it in storage and all you did was drain the fuel and disconnect the battery, its likely moisture ( condensation) developed in the carbs while it sat. this type of thing happens when fuel is drained. Your best bet is to remove the carbs and clean the jets. Its my opinion and experience to put fresh fuel in a bike along with (stable) fuel treatment prior to storing them. With the stable added to the fuel, the fuel will hold good for about 1 year.. Replacing the battery and starting them and letting them warm up to operating temp monthly while in storage is always a good idea..
I hope this helps..
Make sure battery is full,not just charged. if the sputter is still there you may need to clean air filter,fuel fillter or carbs may need to have trash removed from inside at the fuel float valve-seat and jet.
from your description, i would sugest you make sure fuel is getting to the injector unit, remove the fuel supply hose.if you have spark at the plugs and fuel getting to the injectors you have isolated the problem. i would also drain the old fuel when you take the hose off and fill the tank with high grade fuel. bikes dont like old gas.
My 92 Bird with the 3.1 did the same thing after it sat for about 2 months. The car had aways started right away before. I had to jump start it and I thought it would never start.Same as yours after it started. Seem to get better after I ran it awhile. It was getting good spark and was getting fuel. I checked fuel pressure, it seemed to be within specs.then it started to sputter and the pressure dropped to almost nothing. Seems that the fuel pump was going bad, but still would pump enough fuel at times to run. When the car was parked the fuel pressure would bleed off, and when I tried to start it the pump had trouble pumping enough fuel to pressure the system.Long story short! Replace the fuel pump, and filter.....
got my side stand switch fixed and took her out for a spin and had yet another problem. When im riding it and take off it kinda sputters unless i crack it all the way open and then it runs out great. It seems that the problem is is just like at half throttle taking offit just sputters. A ny suggestins? The bike had sat for about six months before i got it. also VR 2000 Enduro
Your carbs are clogged somewhere because the gas sat so long -- it turns to varnish over time and it likely has clogged your low-speed jets. (When you crack it open it's on the main jet and gets enough fuel.) You should get a product called SeaFoam, which can help clear carbs. If that doesn't work, you'll need to take the carbs apart and clean out the little passages.