Have the OEM upgrade R/R for 98/99 Shindengen pn SH6890A. I used it when the original R/R died on my 98. Ran the upgrade R/R for exactly 4558 miles..... Then being the perpetual experimenter I tried other series R/Rs for grins, and maybe learn something. Upgrade part was/is still good. Probably a good interim piece for a fix it in near term... Its turned into a paper weight on my desk, may as well get it to someone that can use it. 60 bucks shipped. Cheerz