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If you continue to have the problem after you have checked the items detailed in previous posts, it may be the coil that fails after it gets hot. To check the coil you will need an ohmeter and you will have to check it after the bike dies, on the side of the road. IE, check it when the coil gets hot, when it cools down, it's OK again. Here is the procedure for checking it: Disconnect, by hand, the two spark plug wires from the coil. Unscrew the smaller connections on the coil with an SAE wrench.
Set the ohmmeter to read resistance on the "Rx1" setting. Measure the resistance across the two smaller terminals on the coil. The meter should read between 2.5 and 3.1 ohms.
Set the ohmmeter to read resistance on the "Rx1000" setting. Measure the resistance across the two larger terminals on the coil. The ohmmeter should read between 10,000 and 12,500 ohms.
If the meter reads outside of the ranges for either of the above measurements, then the coil is faulty and should be replaced.
Good luck.
Last edited by roadkingharry; Mar 9, 2012 at 07:14 PM.
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