Question about Motorcycles
There is no spark to the spark plug equipt with CDI. eg. it is brand new utv i checked the fuses they where good, spark plug new
Plug wire--coil--ignition mod-cdi--batt or magneto may be bad-----time for some test-------procedures online
Posted on Jan 01, 2013
Testimonial: "it was the switch (kill button) thank you"
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Posted on Jan 02, 2017
SOURCE: No spark on Piaggio zip
Is the kill switch on? Check the side stand kill switch if you have one. They sometimes go bad. Disconnect the handlebar kill switch. Does it start now? Also check the key switch. A switch can go bad as well.
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Posted on Apr 02, 2009
SOURCE: I have no spark 2000 KTM 125 sx
Before going to the CDI system go ahead and check the kill switches including the side stand switch, with an Ohmmeter. How good is the battery? Check the fuses. Check the wiring harness. Are all wires clean and with a solid connection? Any abraded wires? Check the operation of the ignition switch with a volt ohmmeter. Is the bike in neutral and the neutral light is lit up?
You can download a free PDF factory service manual by going to the website below >
The manual should tell you in detail how to test the CDI and other electrics.
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Posted on Apr 08, 2009
i have a 04 yfz 450 quad. the compression ratio like yours is extremely high. ive had my battery go bad and found that another battery other than factory would turn over the engine, but would not start. i paid the 100 dollars for the factory battery and it fired right up. because of the high compression you need a high cranking battery.
Posted on May 07, 2009
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
SOURCE: i have a cpi oliver
I possibly have the same problem. I have narrowed it down to a fuel (lack of) problem. If you remove the seat and take off the vacum tube leading to the fuel tank cut off valve ( on the bottom of the fuel tank) you will be able to squirt a little fuel directly into the intake manifold,replace the tube and hopefully it will start instantly.no dought it will then stop repeat the process several times.
I suspect there is an electric soleniod system to deliver fuel on startup, I have dismantled the carb and am fairly sure the problem is with the electric needle system on the rear of the carb.
Hope it helps
Posted on Feb 07, 2011
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