20 Most Recent 2002 kawasaki ZZR 400 Questions & Answers


Hi, Divewithphil you're getting ready to go riding you pull out the dipstick to check your oil level and are greeted with the unmistakable smell of gasoline. What happens next depends on the following:
1. You have experienced this before and do not start the engine but do change your oil and filter leaving it 1 quart low until the engine reaches operating temperature then top off as necessary.
2. The amount of time your bike has been sitting, since the last time the engine was running.
3. The amount of gas and contaminants in the tank.
4. The oil pump location, exterior or interior.
5. The condition of your petcock gasket/seal/diaphragm.
If your gas tank was low and you start the engine probably nothing you would notice but if your gas tank was full and you start your engine the oil/gas mixture can blow into your air filter, come streaming out of your crankcase breather hose, and launch your oil tank cap followed by a blast of oil. The mess can be minor or you need to call a Hazmat team for assistance. This will also happen if you overfill your oil tank.
Next is the how and why gas can get into your oil tank/system:
a. The vacuum petcock rubber/diaphragm fails, which allows gas to flow from the fuel tank through the petcock, through the vacuum line into the intake manifold, then into the combustion chamber, where it seeps past the piston rings and into the bottom end.
3. Non-vacuum petcocks that are not turned to the off position will patiently wait until contaminants from the gas tank build up in between the carburetor needle and seat breaking the seal thus inviting gas to enter the combustion chamber eventually finding it's way into the bottom end and the oil tank.
4. Bottom line if you're not going to ride your bike for a while turn off the petcock.
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.
gas in my oil KawiForums Kawasaki Motorcycle Forums
https://www.kawasakimotorcycle.org/forum/kawasaki-streetbikes-sportbikes/130968-gas-crankcase-oil.html
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2002 kawasaki... | Answered on Sep 17, 2018


Hi, Neels for this scenario you will need your service, parts fiche, and owners manual if you can't find the best tool you ever bought for your Kawasaki, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need for viewing and printing please click on the blue links below. Good luck and have a wonderful day.
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2002 kawasaki... | Answered on Jul 29, 2018


Since 160 kph is approximately 100 mph, you have exceeded the design parameters.
What is the engine rpm at that speed?
It is probably in excess of 14k rpm, which is beyond its tolerances.
However, if not intentional, the most likely cause of limited rpm range would be a clogged fuel filter or too low of an octane rating in the gas.

2002 kawasaki... | Answered on Oct 05, 2010


Remove the carburetor slide from the throat of each carb. Now move the clip on the jet needle down one notch and put the carb back together. There is a notch on the side of the carb slide. When installing, it lines up with a pin inside the throat of the carb.

2002 kawasaki... | Answered on Apr 28, 2009


check resistance on your plug caps .

2002 kawasaki... | Answered on Apr 19, 2009


That is so dependant upon "Many Variables!!--If you were shaped like a bullet`weighed no more than 90Lbs & were laying under the paint, with quality high octane rated fuel, without brakes binding , & no accessories like Panniers & the Engine had at least 16,000K'ms Legit on the clock ,& at sea level ( Not High Altitude & on a "moist day" without Pillion Passenger ,& with Engine having Air Cleaners near new,& providing each Cylinder registered similar Compression Pressure , Perhaps 15 Psi & The Engine had correct Viscosity oil , & Drive train was not "MALADJUSTED " this macine , with small tailwind could be expected to top the Ton!---Now, IF YOU REALLY wanted to know just how good KAWASAKI'S earlier prducts were . locate >1974 S3 --2Cycle Triple Fire Breather & Could out accellerate & out run HONDA K1 750/4 --Reason>?"Power To Weight Ratio"--I hope that has been useful!--Whilst I 'm on that aspect, the Triple sounded to be screaming ( As if Ultra High RPM, Not so, it being Clarke cycle ( 2 Stroke , has "power pulse each time piston climbs to Top Dead Centre & the Four Strokes , Rev so much harder, yet do not quite sound so !!---The Mighty Vincent V Twin was an exception though >Guaranteed each Macine would reach 120 MPH 998 CC British, with very short pushrods, & alongside one at The Ton, years pasyt I noted His Tacho was only showing 4,200RPM!--O K -Cheers, Stay Upright", Des

2002 kawasaki... | Answered on Jan 17, 2009


Hi, Mitch for more information about your question and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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kawasaki ZZR 400... | Answered on Jul 13, 2017


Hi, Robinwcrossm the vast majority of service, parts, and owners manuals on the internet are "FREE" to download and all service manuals contain wiring diagrams in the back pages. The rest usually charge a modest fee around $10 and there is a handful of obscure, rare, obsolete, and very old models that are no longer or never were available, for these rare occasions I shall look on eBay and find the cheapest one available. Most of the manuals will cover your exact make, model, and year otherwise one will be provided that comes as close as possible to your bike and will have most of the same info that an exact manual would have. To download your manual please click on the blue links below. Good luck and have a wonderful day Kawasaki ZXR 400 H2 Workshop Repair manual DOWNLOAD Download Manuals... $13
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kawasaki ZZR 400... | Answered on Jun 12, 2017


Hi, Anne I would love to help you but due to the magnitude of yesterday's solar flare the batteries in my crystal ball are dead and my mental telepathy headset circuitry was melted. I need to know the size of the first ZZR and what you mean by "END CANS" please click on the word "COMMENT" below and provide this information in the box that will open and then click on the green comment box in the bottom right-hand corner after it posts I will receive an "ALERT" icon that will allow me to respond to your information. Good luck and have a wonderful day.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

kawasaki ZZR 400... | Answered on Mar 10, 2017


Hi, Anonymous always check fuel flow first to isolate the problem area otherwise the usual suspects are:
1. Fuel tank empty.
2. Fuel cap or fuel tank not venting properly.
3. Fuel filter clogged with rust or dirt.
4. Fuel valve/petcock not in the on or reserve position.
5. Vacuum line to fuel valve cracked, broken, pinched, or missing*
6. Fuel valve/petcock clogged or diaphragm cracked, cut or torn*
7. Fuel line from the fuel valve to the carburetor or fuel pump clogged, cracked, pinched, bent, broken, or missing.
8. Fuel pump not working*
9. Fuel line touching cylinder or head causing fuel to boil and vapor lock, repair by rerouting and wrapping line with convoluted tubing.
10. Carburetor inlet clogged.
11. Carburetor float or needle and seat stuck.
12. Carburetor not venting properly overflow line or bowl fitting clogged, pinched, or bent.
* If equipped or applicable.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
Zzr 400 carb and starting problems Kawasaki Forums
http://www.zzr-rg.co.uk/forum/viewtopic.php?t=7322
Kawasaki ZXR400 Service Manual Supplement
OEM Parts for Kawasaki
Owner Manuals Service Manuals Kawasaki Vehicles

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

kawasaki ZZR 400... | Answered on Dec 29, 2016


gday there your problem might be that your fuel pump might have stopped running ,these can sieze up running empty ,it may have a blown a fuse ,so that might be something to check ,if not it may be one for the dealer cheers pete

kawasaki ZZR 400... | Answered on Aug 21, 2016


It is better to replace it with a performance version. K&N filters sells them on-line and you will be very pleased with the results. Changing your spark plugs to Denso Iridiums will also provide a little power boost (HP up) and improve fuel economy.

kawasaki ZZR 400... | Answered on May 29, 2015


Hello and welcome to Fixya, It can be done, one of our competitor's race teams did it with some pretty drastic modification's. Its definitely a challenge.But seen it accomplished. I could give you there info, they may be able to give you some hints. Let me know, Thanks for using Fixya

kawasaki ZZR 400... | Answered on Mar 14, 2015


does the engine turn over but not start or does it not turn over at all

kawasaki ZZR 400... | Answered on Jan 10, 2015


you should have a header tank some where on the bike you fill this to add water to the rad.

kawasaki ZZR 400... | Answered on Aug 06, 2014


If you mean the bottom of the tank then one goes to the carb and one is just a breather/overflow that gets ran down out of the way and doesn't connect to anything. If you are talking about the carbs then one goes to tank and one goes to the vacuum

kawasaki ZZR 400... | Answered on Nov 27, 2013


Fuel system is clogged,..GARAUNTEED!! Take off the fuel tank,to get to the swirl bowl. Inside the swirl bowl,you will find a fuel filter,which SHOULD be completely white,and most likely,its not! Get a new filter and install it. While you have the tank off,disconnect the injector line,and remove and clean the injector with carb cleaner and pressured air.Put everything back together,and then add an INLINE FILTER to the feed line on the fuel pump which is located on the left hand side,running from the shut off valve,to the fuel pump. These are awesome quads,but the fuel injection system is a pain in the a$$.
Good Luck!

kawasaki ZZR 400... | Answered on Sep 28, 2012


They don't go too high on their own, someone has to have maladjusted them
It could be a leaking float, that will amount to the same fault. Or, it might be the choke is stuck on.

kawasaki ZZR 400... | Answered on Jan 26, 2011


Are you out of oil?

kawasaki ZZR 400... | Answered on Jan 07, 2011

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bike wont go over 160kph thats in forth

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