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I am working on a 300 fourtax 2000 model it has no spark have checked all wiring and fuses pulse generator and coil resistance ranges are good also my manual says that the oil temp light should come on for a few seconds when key is turned on this is not happening anybody have any suggestions ?
 

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It's not in reverse is it?And maybe there's a sensor for the oil temp thats bad.
 

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Did you check the resistance across the stator? I would check the bulb in the oil temp light. If it's not the bulb, it might be the sending unit. I would say that's a different problem from the firing problem, though. I believe they will still start when the oil light isn't working,though, just as long as the neutral light is working.
 

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one thing that has not been mentioned is your on/off switch on your handlebars. if the little plastic tabs on the switch gets broken, it will leave the circuit connected and you will not get fire. sometimes the switch will get wore really bad and cause the same thing. the two wires going to the switch have to be "open" for it to start. this sounds backwards but that is the way honda made it. it's a long shot, but i have had this happen to me one time. also, on your ignition switch, the "key", the "on" position is a open circuit and "off" is connection or continuity.
 

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no spark when it gets hot

hey guys i have a 1986 250 fourtrax i swap coil cdi regulater new battery and still no fire it runs good until it gets warm about 40 minutes of ridding then it shuts down can some one help me:lifting:
 

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Did you try the stator? That seems to be the only thing left.
 

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