I have a 2002 kymco cobra and don't have any spark. I replaced the CDI box, coil and the stator. Still no spark. The motor turns over with the starter, but won't start. Any other suggestions on how to get spark?
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Jan 10, 2015 - Try un-plugging the rectifier, and see if you get spark. It may be shorting the stator to ground. Also try clipping the black, and yellow ...
? 2:29 https://www.youtube.com/watch?v=UU4S0Ov9q4c
Aug 24, 2012 - Uploaded by Rolling Wrench
Purchase our "NO SPARK KIT" click the link below: ... My scooter has no spark how to fix. gy6 chinese scooter 139qmb qmb13950cc 150cc.
Stator will stop the cdi from firing the spark plug and either cdi or stator if bad will stop a spark from being created. The coil, wiring, kill switch and other things can also stop ignition spark.
Hi mate the cdi if failed you would have no spark period. I strongly recommend re checking stator when spark comes in and out or dies when hot or will only jump start these are all classic stator issues. simple test just need multimeter and read OHMS from the connecting plug of the stator... one of the pairs of wires will read sky high or zero... I don't know exact reading for your model but kwaka will tell you but a dodgy stator will generally read zero on one or more of the pairs of wires cheers mate hope it helps
well the stator doesn't give spark it give voltage and if you test it and the is voltage and you have replaced all that stuff with good ones then it is your cdi box.
to test the stator for voltage take a multimeter on the ac scale and test the output of the stator while kicking the bike over if you have voltage rising and falling then your stator is fine. if not you will need to test the pick coil in the stator area for a ground pulse this is what the cdi box uses as a reference for the position of crank shaft and piston. just like a crank sensor in a car. if there is ground pulse there when you back probe the wires coming out of the pick up then your cdi is for sure the issue. if you have any more question please ask. good luck
There are a # of things that can take your spark out, first I would see if you have power to your ignition coil (100V+). If none there you need to isolate your ignition switch (unplug it or take it out of the equation) and jump your starter solenoid manually or try pushstarting the bike. If still nothing check for voltage going into your CDI box, if none check for voltage out of your stator (over 100V) and your trigger or pulse coil (over 3V). If you find voltage at the stator and not the trigger replace the trigger and vice versa. If there is voltage for both replace CDI box (but be cautious to verify good ground for CDI box and ignition coil). If you find voltage out of your CDI box (over 100V) replace your ignition coil. Good luck!
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