20 Most Recent 2003 kawasaki ZX-12R Questions & Answers


Hi, Paul for this scenario you will need your service manual, parts fiche, and owners manual if you can't find the best tool you ever bought for your Kymco, despair not, for a mere zero $0 you can download another one.
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2003 kawasaki... | Answered on Jul 12, 2019


Hi, Mike for this scenario you will need your service manual that has all fastener torque specs and a wiring diagram on the back pages, 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.
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2003 kawasaki... | Answered on Oct 07, 2018


Hi, Cedricjenkin for this scenario you will need your service manual that has all fastener torque specs and a wiring diagram on the back pages, 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.
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2003 kawasaki... | Answered on Sep 05, 2018


Hi, Anonymous if your headlight is not working, only one beam works, keeps burning out, blinking, dim or surges from bright to dim to bright the first thing you need to check is the headlight bulb for damaged filaments then check your light circuit fuse, then check your headlight bulb socket ground wire for a clean tight connection, that being said the usual suspects are:
1. Faulty ground or power supply wire to headlight bulb socket.
2. Worn down solder contacts or loose fit of the bulb base in the socket due to vibration.
3. Worn, chafed, or broken wires in the light circuit.
4. Corroded, broken, or loose pins/sockets in wire connectors.
5. Faulty hi-low beam switch.
6. Faulty ignition switch.
7. Fuse is good but no continuity on both sides.
8. Faulty headlight relay.
9. Faulty wiring between battery positive and headlight bulb socket.
10. Weak charging alternator/generator/lighting coil
11. Faulty voltage regulator/rectifier ground or overcharging.
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2003 kawasaki... | Answered on Aug 31, 2018


Hi, Anonymous for this scenario you will need your service manual that has all fastener torque specs and a wiring diagram on the back pages, 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.
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2003 kawasaki... | Answered on Jul 19, 2018


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2003 kawasaki... | Answered on Jul 09, 2018


Hi, Anonymous for this scenario you will need your service manual that has all fastener torque specs and a wiring diagram on the back pages, 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.
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2003 kawasaki... | Answered on May 04, 2018


Hi, Quentinfield it should be noted that the reasons your FI light stays on constantly or flashes and your bike will or will not start and may turn over or not, these conditions will vary from bike to bike depending on the year, make, and model and you should always refer to your owners/service manual for proper diagnostic procedures. It should also be noted that any type of prior work done to the bike or an abnormal event occurrence IE: adding accessories, electrical curiosity/adventures, laying the bike down/crashes, rain storms/bike washings just before FI light issues started can be significant hints/aids into tracking down the gremlin. The newer the bike the more sensitive the ECM becomes and will not let the bike start when aftermarket accessories have been installed without being reprogrammed. That being said the usual suspects are:
1. Faulty Fuel Pump, fuse or system relay switch.
2. Battery starting to fail due to old age/damage, perform a load test.
3. A discharged battery, check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
4. Faulty safety switches/sensors: run/off, ignition, clutch lever, neutral, side stand, tip over, fuel, and or their connections.
5. Broken wire or worn insulation exposing wire to a ground situation especially inside wire harness at tight bends around fairing brackets, under dash panels, under fuel tanks over cylinder heads etc. Many harnesses are open on the ends that will allow water to enter and accumulate at v-bends.
Dielectric grease and contact cleaner are your best friends for wire/cable/harness connectors, look for corroded, broken, or loose pins/sockets.
6. Installation of aftermarket accessories ie. exhaust systems, mufflers, air cleaners, fuel tuners, electrical component etc.
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2003 kawasaki... | Answered on Apr 09, 2018


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2003 kawasaki... | Answered on Mar 20, 2018


To change oil remove drain plug under bike, while oil is draining into pan remove left lower fairing and remove oil filter from front of engine. Replace plug and filter and refill, replace fairing.

2003 kawasaki... | Answered on Dec 10, 2017


What it is saying is not f1. It is saying Fl >>> Fuel Injection. The injection sensors have detected a problem in the system. The problem could be anything from a dirty air filter to a fuel mapping error in the computer system. A dealer can hook up a code reader to see what the exact problem is.

2003 kawasaki... | Answered on Jul 11, 2017


Hi, Johnny_auto nice novella and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition and leaking check for spark leakage in the dark.
3. Spark plug gap too close or too wide.
4. Faulty ignition coil, module, and or sensor.
5. Battery nearly discharged.
6. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
7. Intermittent short circuit due to damaged wire insulation.
8. Dirty air filter
9. Intake air leak.
10. Water, dirt, or rust in the fuel system, fuel pump and/or filter.
11. Old dead or bad fuel.
12. Faulty fuel pressure regulator
13. Pinholes in the in tank plastic convoluted tubing from the pressure regulator to the quick disconnect check valve.
14. Fuel tank vent system plugged.
15. Throttle body controls misadjusted.
16. Damaged throttle body or intake seals.
17. Clogged or faulty fuel injectors.
18. Loose, dirty, or corroded ignition module connector at crankcase.
19. Faulty TPS, MAP, CKP, O2, and/or CMP sensors.
20. Incorrect valve timing.
21. Weak or broken valve springs.
22. Damaged intake or exhaust valve.
23. The control module may be in limp mode.
24. Check for engine trouble codes.
For more information about your issue 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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2003 kawasaki... | Answered on May 07, 2017


Hi, Nunjazx12 the ignition circuit cut-off system comprising of the side stand switch, clutch switch and neutral switch has the following functions:
a. It prevents starting when the transmission is in gear and the side stand is up, but the clutch lever is not pulled.
b. It prevents starting when the transmission is in gear and the clutch lever is pulled, but the side stand is still down.
c. It cuts the running engine when the transmission is in gear and the side stand is moved down.
Periodically check the operation of the ignition circuit cut-off system according to the following tests.
With the engine turned off:
1. Move the side stand down.
2. Make sure that the engine stop switch is set to "RUN"
3. Turn the key to "ON".
4. Shift the transmission into the neutral position.
5. Push the start switch if the engine does not start the neutral switch may be faulty.
With the engine still running:
6. Move the side stand up.
7. Keep the clutch lever pulled.
8. Shift the transmission into gear.
9. Move the side stand down if the engine does not stall you may have a faulty side stand switch.
After the engine has stalled:
10. Move the side stand up.
11. Keep the clutch lever pulled.
12. Push the start switch if the engine does not start you may have a faulty clutch switch.
This check is most reliable if performed with a warmed-up engine.
For more information about your issue 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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2003 kawasaki... | Answered on May 01, 2017


Try removing the front sprocket cover most likely around there

2003 kawasaki... | Answered on May 07, 2014


Front sprocket's mounting bolt: 127NmRear sprockets mounting bolts: 59NmRear axle pivot's bolt: 125Nm

2003 kawasaki... | Answered on Feb 05, 2012


A couple of things that may sound trivial or silly, but check and make sure your kill switch is in the start position.
Check your fuses to make sure they are all still good.
Make sure that when you turn the key you get a neutral light, if not select neutral and try to start it again.
Check you battery is fully charged, a battery that is below charge won't start a bike like it will start a car.
Did you disconnect any other wires if so reconnect them.
Do you have fuel in the tank?

2003 kawasaki... | Answered on Sep 18, 2011


ok clean up the fuel tank and put a new gasoline, clean all four carburators and spark plug or change a new one,... drain gear oil change a new oil filter,..... change new battery also,.... safe ride bro,......... and enjoy the power,.................

2003 kawasaki... | Answered on Feb 23, 2011


Turn off the ignition, otherwise the ECU may be damaged.
Remove fuel tank cover, seats, battery compartment bolts.
Pull out the battery tray slightly, disconnect the negative terminal wire first.
Everything else is straight forward.
Hope that helps.

2003 kawasaki... | Answered on Feb 18, 2011


don't let it fool you. sometimes depending how old your battery is will make you think it is not
charging . your bike charges just enough to keep yourou battery at top charge and that is it. so
then you shut your bike down and after a short time you go to crank it back up and it wants to
but just dose not have enough charge to do it, that is when you know your battery is no good .
even if you full charge it and then ride it may be fine , but the lights are on all of the time and
touching the brake will take that full charge a way quick if the battery is no good . 2 years is pushing it , and some will last longer ,but trust me when I say this . good luck.

2003 kawasaki... | Answered on Oct 30, 2010


clutch is either adjusted wrong or it time to replace it sounds like its not disengaging

2003 kawasaki... | Answered on Sep 12, 2010

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