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Aussie Greg
11-18-2021, 10:20 PM
Hi Everyone,
Just wondering if anyone has used the Chinese replacement cdi units for the 1985 Atc250r that are sold on eBay, it seems to fit a lot of different models and also 4 strokes. Just wondering how the bike performs when these units are installed and if there is any noticeable difference to the oem part. Also if anyone has a 85 oem cdi (working) that they might be willing to part with let me know, I do have a US postal address and PayPal.
Thanks Aussie Greg.

deejaycee_2000
11-19-2021, 01:41 AM
Hi Greg, I have used the chinese cdi's on my other atc's but not on my 250R, I had very good results, and it is so cheap so it was worth the experiment. They don't last as long as the OEM ones, so buy a few. It also depends on how much you ride. Just note that some CDi's are AC and some DC, make sure you buy the correct one.

Aussie Greg
11-19-2021, 02:14 AM
Hi deejaycee,
That is one nice collection,
Thanks for the feedback, This bike has been sitting in the shed for approximately 10years since I bought it and has never been ridden. Therefore I wouldn’t know if the bike was performing as it should when the aftermarket part was fitted.
I might take your advice and give one a go and in the mean time I hope some more feedback may be forthcoming to enlighten me on their performance to an oem part.
Thanks Greg

shortline10
11-19-2021, 08:40 AM
I have never seen an aftermarket CDI work properly on the 85 250r , 86 and up yes they are ok .

Aussie Greg
11-20-2021, 04:01 PM
Hi Shortline,
Thanks for the reply, not the feedback I was hoping for but it was what I expected. I have seen the electrical tails to convert the wiring plug to the 86. It looks like I have two options source a second hand 85 oem CDI or convert the plug to accept an 86 Oem / aftermarket CDI.
Not sure what is the best option, love to hear from other members who have any thoughts or anyone who has a 85 oem CDI they are willing to part with.
Thanks Aussie Greg

Aussie Greg
02-02-2022, 04:11 AM
Well I tried the Chinese CDI ( that fits every Honda made) I can now confirm Shortline10 statement that I have also not seen a Chinese CDI work properly on a 250r.