Question about kawasaki KLX 300 Motorcycles

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19-95 KLF300 ATV Kawasaki 4x4 no spark put new ignitor unit on.

Wiring loom -soldered crimp joints, HT coil load test ok, other elec components check out with ohm meter to approx values .Only have 87manual.No info on volts to IC Ignitor with ignition on. very light tickle from plug wire on engine crank no plug. I must be missing something as it ran previous to a pressure clean and faulty ignitor unit .Bike would go well then cut out poping and backfiring on restart-week spark. flywheel magnet strong,alternator good rectifier good ,flywheel pulse coil in ohm limits.

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  • pwebb191 Jan 01, 2009

    I have the same problem, KLF300 runs fine and then backfires and misfires. It can tick over and clear itself and run well or just stop and be a pig to start. either way its real hard work and depressing me badly

  • Roscoe007 May 11, 2010

    Is that the outside magnet on the flywheel your talking about or the inside magnets?


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I ******* hate my kawasaki kdx 125 1992 there is no spark and i dont no wot it needs ive bought a cdi for it an it wernt that and i bought a new coil and it wernt that either could anyone help me please

Posted on Sep 11, 2009

  • Jason Whitbeck
    Jason Whitbeck May 17, 2016

    You try the stator or pickup coil


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You said the motor cut out and popped and backfired when it quit, this is almost always one of two things; either the low speed pulse coil or the actual CDI "black" box. You will almost never lose a main coil. One thing I would also check to make sure did not happen is shearing a flywheel mag key. When the motor backfires you can easily shear a mag key if you have a heavy flywheel, (external). However when this happens you don't usually lose spark but it will certainly cause the backfire.
One other item of importance is that the bike you are in question about does not emit a bright spark when you are checking for fire. Make sure you are using a brand new plug and ground it on the head. Try to make sure you are in a dark environment when you check the spark.

Posted on Dec 16, 2008

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Colours of the cdi do not match the colour on the rest of the loom

Posted on May 24, 2013

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2002 Kawasaki bayou klf300 4x4 missies at half to full throttle cleaned the carb and bought new cdi,rectifier still misses

Hi, Ellis and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. 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.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking.
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Intake air leak.
10. Water, dirt, or rust in the fuel system, carburetor and/or filter.
11. Fuel tank vent system plugged or carburetor vent line closed off.
12. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
13. Carburetor controls misadjusted.
14. Damaged carburetor.
15. Incorrect valve timing.
16. Weak or broken valve springs.
17. Damaged intake or exhaust valve.
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.
Kawasaki carb problem Gurus please help

May 01, 2016 | kawasaki Motorcycles

1 Answer

Willthe Kawasaki 300B KLf atv gas tank fit the 300A klf atv?

Hi, Jim after careful deliberation 4 out 5 Kawasaki Gods give this one a thumbs up, but just to be on the safe side you should give your local dealer's parts/service department a call to confirm. For more information about your question and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
PDF Moto Manual
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Kawasaki KLF300 2009

Mar 08, 2016 | kawasaki Motorcycles

1 Answer

What wires to test coil and stator. no spark.

how to fix no spark and wire pit bike - YouTube

? 4:59
Nov 25, 2013 - Uploaded by coryncheryl1
how to fix no spark and wire pit bike. coryncheryl1 ... Chinese Quad 110cc wiring hack making SPARKS !!! No ...

GY6 150cc Ignition Troubleshooting Guide: No Spark? - BD ...
May 27, 2014 - Stator (6th winding and trigger pickup module); CDI unit; Ignition coil; Spark ... to check for voltage at the two primary wires of the ignition coil.

Trouble Shooter Guide for NO-SPARK Chinese Engines > ... > Chinese ATV Service Manuals
Number 2 is the ignition coil and that is easily found because the large wire and cap ... The final third component is the stator magnetor or magnetic pickup coil.

My vehicle has no spark. How do I test the stator ...
Apr 11, 2012 - 90% of no spark is caused by the CDI Charge Coil in the Stator. ... Thestator is located on engine side housing, where a 5 wire unit is coming ...

Bad Stator Fix - Instructables

Jan 06, 2016 | Motorcycles

1 Answer

No spark on my 250 cc ATV

Check CDI, but also specify which coil you changed, stator coil or HT coil.

Jan 19, 2015 | Motorcycles

1 Answer

I checked wire and plugs to coil, ignitor unit, and fuse, all seemed ok.

suspect Coil, check HT high tension side of spark if none then check LT low tension side you should see a spark on the points when they open if that is working then suspect coil is defective and needs replacement. also check points setting to see they are actually opening enough and are not dirty contacts.

I hope this was helpful

Oct 25, 2011 | 1997 Yamaha Royal Star XVZ 1300 A

2 Answers

Klf 300 no spark at spark plug but got 12 volts both side of coil hope you can help its a 1998 model

Start looking at the brown wire that goes from the kill switch to the coil as the problem.

It will be the brown wire.

See this wiring diagram:

The start relay can also be the problem.....
If you still have the problem after some troubleshooting respond here and I will help you.

Thanks for choosing FixYa,

Aug 28, 2011 | kawasaki KLX 300 Motorcycles

3 Answers

I have a 2004 Suzuki LT-A400 Eiger ATV. It ran until the battery was replaced. Now there is no spark. I have experiance in repairing bikes and this one is stumping me. I have the factory service manual and...

I suggest replacing the cap and rotor (check the inside of cap for wear on the "points"
I am not expereinced with bikes, however when it comes to electrical/spark, I have always been able to find the issue, as there are only a few things that it can be. You have your power source (battery), your ground, and your source (any units/components powered by the battery). There aren't many things in between any of these that could be the issue.
Also, check the wiring harness to the distributor. Make sure it is plugged in all the way (if it "plugs in"), if it's hard wired, the opposite end should have a connection. Check that as well. Make sure you have no wires bare, or touching the frame or other part of the bike, as this could be causing it to short out, which will limit or prevent spark.
Please let me know if you need further assistance.
Guru, Premium Expert, Phone Support, Live Chat @

Jun 27, 2011 | Suzuki SportClassic 1000 S Motorcycles

1 Answer

One cylinder spark plug not firing- replaced plug ran well for 30 seconds then stopped firing

With Ignition switch off :-
1st Check for bad connections, broken/crushed wires, continuity & resistance between the cap, HT lead, coil, ignition coil primary wires
2nd Disconnect the CDI unit from its connector & check for the same between the loom side of the connector back to the coil
3rd Check coil is earthed

If all OK suspect the CDI unit but double check everything first( there are some more checks as well), as these are very expensive

Ride safe

Please rate this solution well if it has helped !!
Any comments welcome

May 10, 2010 | 2003 Triumph Speedmaster

1 Answer

Can't get any spark on rear left ignition coil

I didn't notice the year of the bike but
the orange wire comes directly from your TCI ignitor unit.
It might be a faulty pickup coil or the ignitor unit itself.
the pickup coils are in the right engine case and
have about 110 ohms resistance.
If there is no ohms reading on the pickup coil then
it is faulty.
If the pickup pulse coils are good then your
main ignitor unit is probably faulty.
Sometimes the solder joints can crack in them.

Aug 22, 2009 | Yamaha Royal Star Venture Motorcycles

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