Part number for upgraded r/f unit is YWY500170. Strongly adise you replace the old unit with the new you will solve a lot of issues.
listen to people like datatek,dougdotcom,wammers,zzr1200.etc. they know what there talking about and have helped me with good advice.

hi to you all if your stuck with the re-syncs and rf recievers , P.M.me and will give you my no and you can ring me and will talk you thru it all to fix it ..easy u just have to listen ,,,,have done 11 this week all success , ,please put details of vechicle i.e. what year etc and what area your based cheers MOZZ