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Greg offenhause · Apr 17, 2013, 07:47 AM

Will not start, no fire to the plugs, fuses good. Could it be the coil? How can I confirm?

smoothy · Apr 17, 2013, 08:23 AM

Did you check your kill switch on the handlbars?

Greg offenhause · Apr 17, 2013, 08:31 AM

Yes, not the kill switch

smoothy · Apr 17, 2013, 08:32 AM

Getting power to the ignition coil?

Greg offenhause · Apr 17, 2013, 08:49 AM

How do I check it?

smoothy · Apr 17, 2013, 08:55 AM

Originally Posted by Greg offenhause

How do I check it?

Voltmeter... the ignition modure will turn it off to create the spark... but it will or at least should have power the rest of the time. The coil relys on a collapsing magnetic field to generat the votage for the spark.

Greg offenhause · Apr 17, 2013, 09:11 AM

Thanks for the help!

Greg offenhause · Apr 17, 2013, 10:52 AM

Ok so with the key on I have 12vdc from the ignition module to the coil and approximately 5vdc on the output side of the coil but no voltage at the plug, also I have already changed plugs. Should be the coil right?

smoothy · Apr 17, 2013, 11:05 AM

You won't have voltage to the plugs with it sitting there.. if if you did and cranked it with a multimeter you would likely kill the multimeter.

It does sound most likely like the coil has failed.

Did some digging around, since its unlikely you have a spare coil laying around to test with.

Try this as well before running to the motorcycle shop to buy one.

1 Turn the key in the ignition to the "Off' position. Take the key out of the ignition.

2 Pull the spark plug wires off of the spark plugs and then disconnect them from the ignition coil

3 Disconnect the smaller primary wires from the ignition coil with the wrench.

4 Connect the red colored robe for the ohmmeter on the "Primary" wire lead on the ignition coil. This is the wire that is connected to the Points or the CDI. Connect the black colored probe to a metal ground, such as the frame.

5 Read the display on the ohmmeter. The normal reading should be between .5 to 1.5 ohms. If the reading is above this range the ignition coil needs to be replaced.

6 Connect the red colored probe to the secondary wire on the ignition coil. This is the wire that is running to the spark plug caps.

7 Read the display on the ohmmeter. The normal reading should be between 6,000 and 13,000 ohms. If the reading is below this range the ignition coil needs to be replaced.