Hi all. I've been having a lot of issues trying to get my R running again ever since my CDI went bad. The thing is, my R has an 85 ATC engine in a 1988 frame and looks like the wiring harness was converted to the TRX type since it has the same connector as the 1988 cdi unit. When i ordered a new CDI unit (aftermarket), i ordered for a 1988 (not knowing that i had a 1985 ATC engine). That being said, the quad idles great and will run fine in the lower RPMs, but the second i get to the point where the power band would kick in, it won't rev up any higher. Even at full throttle. Ive read a lot about CDI compatibilities but no one seems to have a clue if a 1985 ATC engine could run with a 1988 CDI. i am a 100% sure that my issue lies on the CDI unit but i just want to get more information before i spend 100$ on another unit. Can anyone help? Thanks!!!!