Question about 2006 Yamaha DT 125 X

3 Answers

There is no spark

Hi wonder if you could help me i have a dt 125 ploblem is i have no spark going to my spark plug was starting fine until yesterday got a new spark plug but still got the same problem wondered if you could help

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  • Anonymous Apr 09, 2009

    disconnect your side stand swich.

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3 Answers

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Try changing the plug lead and if it doesnt work try the coil conections

Posted on Oct 05, 2009

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I imagine they still make ignition on the small bikes like they always did. There's the MAG coil under the flywheel makes an impulse that's fed to the module, the module feeds the spark coil. And there's a connection to the module for killing the spark with the keyswitch and the "RUN STOP" switch on the handlebar.
There should be continuity between the MAG coil wire and ground. Also if you look at that line with a multimeter set to AC volts there should be voltage indicated when you crank the engine. If no voltage is present, there may be a short on the kill line from the switches, or a bad switch. The spark coil rarely fails, so if voltage is present from the MAG, the module is suspect.

If you find my suggestions to be helpful, please share with us some details so that others may benefit from knowing the whole story. Thank you!

Posted on Jan 04, 2009

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I am unsure if your bike uses a coil or CID pack for the spark but whichever it has is most likely the cause. also if you have a kill switch then I would disconnect the wiring to make sure the switch is not grounding out the spark.

Posted on Jan 04, 2009

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In the fuel tank there were two filters that had become a little blocked with small fragments. I replaced both of these, aswell as the petrol tank and now works perfectly.Worth replacing with every service.

Also make sure the amount of fuel to oil is correct because if there is too much oil it leaves a small layer of oil on the spark plug which gets thicker when the engine cools. When you dip the spark plug in petrol and put it back in it obviosly makes a large enough spark to remove the oil, but repeats itself when the bike cools.

Hope this helps

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2 Answers

Ther is no spark


Make sure you getting spark from your coil. If not replace coil.

Jan 04, 2009 | 2006 Yamaha DT 125 X

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