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 PROBLEM YAMAHA WR250 2009

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maticdobrotinsek





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyMon Oct 11, 2021 1:52 pm

Hi,
I have a problem with yamaha wr250 2009, the engine has no spark, I measured the stator and it's fine, the fuses are intact, the switch works normally, I suspect the ignition coil because it changes 2.2ohm on the connector from the connector to the spark plug seat 9.6ohm.
PLEASE HELP. I have no ideas.

GREETINGS, Matic
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johnkol





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyTue Oct 12, 2021 12:01 am

Is the ECU throwing a Fault Code?

What are you measuring on the ignition coil, the Primary or Secondary coil resistance? Take a look at page 8-74 to understand the difference between the two.
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maticdobrotinsek





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyTue Oct 12, 2021 3:24 pm

Primary coil is 2.2ohm and secondary coil 9.6ohm.
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johnkol





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyTue Oct 12, 2021 10:06 pm

Your Primary Coil resistance is out of spec but not alarmingly so, are you sure the Secondary Coil resistance is 9.6 Ohms and not 9.6 kOhms?
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maticdobrotinsek





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyWed Oct 13, 2021 2:41 am

Is 9.6kohm
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maticdobrotinsek





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyWed Oct 13, 2021 2:42 am

what do you think it could be?
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maticdobrotinsek





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyWed Oct 13, 2021 7:50 am

I dont know, you?
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johnkol





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyWed Oct 13, 2021 3:22 pm

So Secondary Coil resistance is within specs.

You stated earlier that there is no spark. Did you carry out Diagnostic Monitoring Code #30 (Page 8-39) to determine that?
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maticdobrotinsek





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyWed Oct 13, 2021 4:19 pm

No I do not have that. Maybe you know what can be wrong?
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johnkol





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyWed Oct 13, 2021 11:06 pm

No, I don't know what's wrong, and even if I were there I wouldn't be able to tell you what's wrong without running some tests.

So back to troubleshooting: if you didn't run Diagnostic test #30, how did you arrive at the conclusion that there is no spark?
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maticdobrotinsek





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyThu Oct 14, 2021 12:43 am

i tried and there is no spark, the stator is working normally, the fuses are intact, what could be then
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johnkol





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyThu Oct 14, 2021 2:19 am

What exactly did you try that made you conclude that there is no spark from the spark plug?
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maticdobrotinsek





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyThu Oct 14, 2021 7:27 am

I took the spark plug out and when I leaned against the ground and started it, there was no spark, the main plus is the ignition coil but I don't know if it goes on, please help quickly
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johnkol





PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 EmptyThu Oct 14, 2021 3:55 pm

If you're certain that there is no spark, then you need to start replacing components: try a new spark plug, if that doesn't work, try a new coil, and if that doesn't work either continue up the electrical chain. This process of elimination works, but it is slow and might cost a lot before you find the source of the problem. If you want quick results, then a repair shop is the only solution.
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PROBLEM YAMAHA WR250 2009 Empty
PostSubject: Re: PROBLEM YAMAHA WR250 2009   PROBLEM YAMAHA WR250 2009 Empty

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