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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
i beg for your help -yz 80 no spark
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[QUOTE="sharky243, post: 1326092, member: 100273"] The ignition systems on these bikes are not all that difficult. It is a process of elimination really, when diagnosing them. Start with the basics first. Try a new spark plug. Then disconnect the kill switch wires. Inspect the entire wiring harness for any bare, broken, or shorted wires. Check all the ground connections. Then check the trigger coil on the stator plate for proper resistance (ohms). Check the generator coil(s) for proper resistance. Check the magnets under the flywheel for good strength. Then check the main ignition coils primary and secondary windings for proper resistance. Check the high tenssion lead (spark plug wire) for breaks. Check the spark plug cap, some of the caps have resistors in them and they can fail. All of the specs are in the service manual. You may need to barrow a different multi-meter to perform these tests if yours does not have the required settings. If any of these parts fail to meet specs, or show an open circuit, They are most likely to be the cause of the problem. If everything tests out good, try another CDI module. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
i beg for your help -yz 80 no spark
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