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I got no spark ive replaced everything electrical i.e cdi , stator ,regulator, coil , plug even the loom still no spark ? any advice

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  • 408 Answers

Do you have voltage to the wire that goes from the ECM to the ignition coil?If not, check the kill switch and the side stand switch for malfunctioon.

Posted on Feb 09, 2012


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Posted on Jan 02, 2017

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SOURCE: 2005 ktm 450 sx die while riding.

yes, you are correct, those are the two pieces that could solve your problem, but i would go first for your cdi, you may choose to have it tested first also, before you jump out to buy a new one.

Posted on Nov 24, 2008

  • 414 Answers

SOURCE: rm125 1999 no spark

what comes out of CDI box? if you have it going in it is rectified and more will come out. If not change CDI

Posted on Mar 07, 2010

  • 24 Answers

SOURCE: 2007 honda crf 100 No spark at plug

take a high impedance test light clip output coil side, and then touch primary trigger output while engine is cranking

Posted on Aug 19, 2009

ollie reece
  • 1167 Answers

SOURCE: my kx250f has no spark after replacing wire

are you getting power to these items best to check this before you carry anyfurther

Posted on Oct 07, 2009

  • 20 Answers

SOURCE: 1989Fzr6 3he bike/ 1995 4jh engine

does the bike have a fuel pump?what carbs are you running ?are the carbs in sync?

Posted on Oct 25, 2009

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Replaced both coils on my XS1100 after it back fired and come to a stop. It cranks over beautifully but doesn"t fire and instead will backfire every now and then. Would that be the CDI unit or what?

If the replacement coils didn't fix the original problem, chances are your old ones are okay. It could be the CDI or else the pick-up coils on the stator plate or even the stator itself. It also could possibly be part of the wiring loom rubbing off the frame & earthing somewhere.
Best thing to do is....if you have a manual & a multimeter, is to test the electric till you find the fault.

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My Rm 250 wont spark need to know the volts from stator to cdi plug. Got brand new cdi, stator , rotor and pick up coil but it still wont spark.

The Voltage From The Stator To The CDI Should Be Around 40 Volts(AC) At Cranking Speed. Be Sure Your Meter Is Set For (AC) Not (DC). The CDI Changes The (AC) Input Voltage To (DC) Output Voltage To The Primary Terminal At The Coil. An Electrical Shock Hazard Exist If Stator Voltage Is Checked With Engine Running. Always Perform This Test At Cranking Speed (R.P.M.) For SAFETY. 120 Volts (AC) Can Be Present With Engine Running.

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Sometimes she sparks, most of the time nothing .

Let me just ask, Does this machine have points? If so, The sonsor cand and will prevent high voltage failur.

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