crankcase seal

grizadams said:

I've had it running. When it died I was thinking that it was running the best it has ever ran and it was screaming and then it died

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Use the old cdi for target practice. I just had to replace mine. It was over a year old. i think I might have killed it, checking my compression.

grizadams said:

That's why I'm wondering if I'm doing something to burn up my cdi's. I had the second one on for only two days.

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The only thing I can think of is maybe a stock spark plug cap.

I think I killed mine by unhooking the spark plug wire, and turning the motor over to check the compression. I forgot to hold the kill button down. They say that can damage a cdi.

The stock spark plug caps are crappy enough to do the same thing maybe. Does your ever come loose from the spark plug?