Question about kawasaki ZXR 250 Motorcycles

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Kawasaki zxr 250 1989

Changed engine in bike,put plugs back in correctly,when winding over very weak spark at plug,,wont start,,wants to but wont,what could be the cause??what is the firing order for this bike?

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  • kawasaki Master
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Recharge the battery ---Have a load test done on the battery for failing cell

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Check the fuses. Is the kill switch on or shorting out? Disconnect it and then check for spark. Sidestand/centerstand should be up, Got a good battery?

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SOURCE: honda cbr 600 wont start

hi, each lead has the specific number on it. if you do this correctly then they genrally give you an idea to where the sit in the coils( the way they bend :-) ) also i believe the coils are better off been attached to the frame once you are sure leads are in corect order and possitioned correctly in the coils.i just presumed the coils neaded earthing. make sure battery is pleny charged as a bad battery can just hinder. it is also very easy to flood the bike so just check the plugs again. if they are unusually wet then dry them off and try again . otherwise maybe try cleaning all electics.

hope this somehow helped
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SOURCE: my kawasaki zxr 750 j2 wont start at all there is

i have a kawasaki zxr 750. and it wont start. battrey fully charged but turn the key and press the start and just get a click from under the seat and thats it. could it be the starter motor gone, thank you

Posted on Mar 27, 2011

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Hi! I bought a Kawasaki gpx 750r 1989. It was not used since 1997. I wonder, should i change the piston rings?or any other mechanical part?except for fluids an so...thanks :)

No, their would be no reason to change the piston and rings first up, unless you know that they are worn from the previous owner, Get the bike up and running first and go from their, will be a good chance the piston and rings will be fine.

Change the oil first up as their is a good chance condensation has occurred and put water in to the oil. Drain the fuel from both the tank and carburettor, as this would have gone stale. Change battery or jump start if required.

suspect. With the spark plugs out, crank the engine over a few times. (ensure oil level correct) If it winds over all good, put a few drops off oil in the cylinders. This will help build compression. Re-fit spark plugs, Full choke and give it a shot. Away it should go! Aerostart or ether may come in handy.


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Have put a new piston kit in my 1993 kx125 dont have a kickstart and it wont bump start 4 some reason,theres fuel going through and there is a spark but a weak one will just a new plug get it going?

how long was your bike sitting for when you did the new piston? change the old fuel out the tank if the bike has been stood for along period of time the fuel may have gone off. have you installed the piston the correct way round?

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My kawasaki zxr 750 j2 wont start at all there is not even a spark

Get a service manual. If you dont have any spark then that's the first thing you need to fix. All the checks for that one item would take me all day to type out. get a service manual!

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Won't tick over

Depends how mechanically minded you are, basics to start are: strip and clean carbs, put fresh fuel in the tank (remove old fuel first) change spark plugs,oil, oil filter and air filter.

Mar 18, 2010 | 1992 kawasaki ZXR 250

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Bike wont start.good spark to plugs.fuel pump working. side stand switch fine. neutral switch fine.

i have the same bike try this. Firstly check the fuel is fairly fresh, using premium fuel on this model seems to work well. drain a little fuel from each carb to remove poss water build up and get fresh fuel. if spark plugs over 6 months old or over 5000 miles change as zxrs` eat plugs a spark does not mean it is allways good. i have changed to irridium plugs and have not had problems since . before you take out plugs turn over the engine a few times then when you remove each plug they should be wet ,if one is dry no fuel so clean carb,remove plug caps before you do this and note exact location of each.good luck Bri.

Feb 13, 2010 | 1990 kawasaki ZXR 750

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Kawasaki zxr400bike been stood for a while started after a couple

Backfires may indicate that a valve is sticking open, so that you are not getting compression. I am assuming that no repairs or adjustments were done which might have messed up the timing of valves or ignition.

Jan 01, 2010 | 1989 kawasaki ZXR 400

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Get the bike so it is setting upright.
There a plug on the under side of the motor. Remove the plug and have a catch pan to catch the old oil. The filter will need to be changed also. Do this before you put new oil in. Put the plug back in and open the fill plug on the side of the engine and fill with new motorcycle oil. DO NOT USE OIL FOR CARS!! Watch that you do not over fill it.

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Spark plug was drowned from the gas

It could be that the floats in carb are sticking, or the the carb is adjusted way to rich allowing more gas to enter cylinder than what can be burned off.
Otherwise, you may have a weak coil which is not giving the bike enough spark to ignite all the gas.

Jun 17, 2009 | 1990 kawasaki ZXR 750

1 Answer

No spark kawasaki 750 l

ZXR H1 Has a overly strong ignition and can eat plugs at a set every 2-3000 miles.if none of them spark, clean up earth contact on the coils, a weak battery will also not spark.water can get in the kill switch or it may be a faulty ic igniter no spark at all ,or if faulty coil only two plugs will fire.and finally do you have a side stand kill switch.located at the top of the side stand.if so remove the two wires and join together to bypass the switch.last resort try wiggling the wires when cranking over to find loose wire.

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If you can't find another similar connection on the new motor, you might need to swap heads (if it's the same exact motor).

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