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I had the same problem with my 2006 Vector. Blown 4 CDI units. Changed out complete wiring harness and Stator, new plugs, Carbs. We narrowed it down to the coils. They were for an RX1 (based on the part number). swapped out with OEM vector coils. installed new CDI.. Sled is running flawless now.
There is a 1.stator and 2.rotor and 3.signal generator, located on the cranckshaft.
1.Stator produces A/C current
2. Rotor has magnets in it and goes around the stator and is part of the A/C current process.
Rotor also has a raised spot on the out side of it which the signal generator identifies.
3.Signal generator is a wire positioned just above the rotor to read the raised spot on
the rotor every time the rotor spins around. This wire tells the cdi to fire.
The CDI which receives the signal from the signal generator wire. Sends the signal to a coil.
The coil is energized and fires.
Always check the components in reverse order, because the stator, rotor and signal generator rarely fail.
1st, if your getting power to the coil and the coil doesn't fire , then its the coil .
2nd if your not getting power to the coil, then its probably the cdi.
3rd. Check that all the wires are making a good contact before you change your cdi, because
cdi is usually exspensive.
4th before you purchase the cdi, make sure the stator and rotor and signal generator are working.
Check the CDI , the stator,and coil for power,If you have power at the stator but not the coil,The CDI is bad,If you have power at the coil but not the plug,The coil is bad.
As in most bikes, the CDI is dependent on the other parts of the ignition system. Check the connection / status of the other parts:
terminal of the ignition coil - should have a pulsating high AC voltage from the CDI. Tested alone, the ignition coil should have 0.1 ~ 0.3 ohms from terminal to ground and 3 ~ 5 kilo ohms high voltage to ground;
pulser coil - should have very low pulsating AC voltage fed to the CDI. Depending on the brand would be 50 ~ 500 ohms;
IGN + 12 - supplied to the CDI through the Engine Stop Switch;
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