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I have no spark on my Jinlun Jl 50 QT-5 2005? Iv replaced the CDI, coil and HT lead, but still no spark! I have a suspicion that it may be the stater but wanted a 2nd opinion on the matter before I take the engine apart? Thanks

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Posted on Jan 02, 2017

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SOURCE: No spark on Hyusu

Hi and welcome to FixYa,

For a "no spark" problem with a Hyosung RX125, check:

  • temporarily disconnect the battery. With the engine on at both the ignition switch and engine kill switch, verify that the green wire to the CDI does not measure 0 ohms to ground;
  • if it does, check the ignition switch and the engine kill switch;
  • it it measures anywhere between 50 ~ 500 ohms, then reconnect the battery and check that there is +12 on the orange wire going to the CDI with ignition switch on;
  • for a pulsating voltage (high ACV) at the white / blue wire coming from the CDI going to the ignition coil;
  • for a pulsating voltage (low ACV, 0.5VAC) at the green wire coming from the pulser coil going to the CDI; and
  • of course, check if the CDI (black / white) is connected to the ground.
Postback results of tests.

Good luck and thank you for using FixYa.

Posted on May 27, 2009

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SOURCE: no spark 110cc engine wont start

Check the fuses. Next, check for spark but with a new spark plug. How good is the battery? If needed, add water to the battery cells enough to cover the top of the cell plates.Try a jump start from your car battery. Is the kill switch on? Check the operation of the ignition switch with a volt ohmmeter. You should be getting power into and out of the ignition switch.

If the bike doesn't start and run properly check the side stand kill switch. It kills the engine so that you don’t start out with the side stand down. Broken or out of adjustment, it would kill the spark. Check for a broken wire at the switch or coupler. Get a service manual and check out the electrical section. Some bikes have a diode integrated into the turn signal relay. Try moving the kill switch by hand. If that doesn’t work then wire a jumper around the switch to bypass it. If that doesn’t work, check out the relay.

Check the wiring harness. Did a wire come unplugged? Are all wires clean and with solid connections? Any abraded or pinched wires? Is the bike in neutral and the neutral light is lit up? If no neutral light, check the neutral switch and neutral switch wire on center casing.

Please rate this answer. Thanks

Posted on May 28, 2009

  • 6966 Answers

SOURCE: suzuki gsxr 400 gk76 which ht leads go where from coils

Hi and welcome to FixYa,

Almost always on Suzuki 4 cylinders, the left (when seated) igntion coil supplies cylinders 1 & 4 while the right ignition coil supples 2 & 3.

Good luck and thank you for asking FixYa.

Posted on Aug 15, 2009

  • 311 Answers

SOURCE: no spark put on a new cdi box coil good and a new

hi,sounds to me like your cdi pickup unit has failed,i am not 100% certain but this will be located on the end of the crankshaft behind one of the enginecovers,there could be two other possibilities,motox bikes are notorious for breaking wires so check the wiring from the cdi sender unit to the cdi box and the coil,also check your "off"button it may be stuck in the "kill" position..hope this helps..cheers ian

Posted on Dec 30, 2009

  • 1 Answer

SOURCE: 1985 honda VT 500c shadow one cylinder when engine hot

how do i check the cooling fan to see if it is any good

Posted on Aug 03, 2010

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