March 15, 201511 yr Hoping someone can help me on this? My fantic has developed a problem! It will start ok, run then die like the kill button is pressed, some times it will run for a few seconds other times a few minutes Disconnected kill switch completely Check earth and all connections, good Cleaned carb with airline all good, Stator was rewound after the new year Spark is good, Replaced plug, cap and HT lead Top coil is 12 month old dans tyoe, Fault started after a couple of sections of trial, it was running great 5 weeks earlier on the last outing.
March 15, 201511 yr I had a similar problem yesterday on a bike that I rode the previous weekend that ran great. It would not start and when it did, ran a short time. Turned out the seat for the needle had come loose. I am not saying, that is your problem. You need to make sure it is getting fuel. Vent good, petcock good, Floats good, needle and seat. All carb vents clear. You get what I mean?
March 15, 201511 yr This is the time for a clear float bowl. You might not have enough fuel in the bowl.
March 16, 201511 yr Right after it stop running, pull the plug and check for spark. A coil breaking down will give spark when cold and as it heats up, will short out and you lose spark. Cools down and then will spark.
March 16, 201511 yr Author Seems it was the HT coil, tried a new one and it runs fine, even put the old one back on to check.
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