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My 2000 Honda TRX 300 has a CDI box with a hole burned in it. CDI was replaced by local Honda Dealership 3 years ago and no problems since then. Yesterday when I tried to start , smoke came up from below handle bars. After looking for burned wiring ( none found) I removed CDI and found small home blown out on back side of box.
Box has number on it -CI802B And it has 3 sockets. 1- 4 wire. 1-2wire and 1-more 4 wire

1. Searched all over Internet for exact replacement
2. No site lists those numbers
3. No site lists a 3 socket CDI box
4. Can anyone help find the correct part?
 

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Download the service manual and check parts links in my signature block below.
Only buy OEM
The 2000 model has the oil overheat alarm built into the CDI. There’s something going on to blow two of them. Check your gear change/oil temp sense harness to see if you have wires rubbing and shorting your CDI. Remove cover behind right foot peg
 
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