hi guys my name is willie and im new to the site so please Bare with me Thanks - Honda TRX Forum
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post #1 of 2 Old 06-11-2019, 06:41 PM Thread Starter
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Talking hi guys my name is willie and im new to the site so please Bare with me Thanks

im currently working on a 2000 Honda 400ex and no spark, new stater changed coil,CDI and new plug.HELP Please. and oh yea I put a 440 Big Bore kit in it.
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post #2 of 2 Old 06-11-2019, 10:52 PM
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Need to check the kill circuit - got to disconnect the black wire with the white stripe that goes to the CDI box - a short to ground on that wire will prevent spark - also, you didn't mention a new spark plug cap - the plug cap has a resister built into it and they can go bad killing spark

How's it done in the shop? Unplug the key switch, short the red wire to the black wire to turn the lights on and make the starter work, unplug the handlebar kill switch, jump the solenoid with a heavy piece of wire to crank the engine an see if you get spark

The ignition is pretty simple - stator, rotor, CDI box, coil, spark plug cap, spark plug, the wires and wiring connections

Let me know if this is helpful, if not let me know how I can be of help
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