[QUOTE] Am assembling a checklist of problems CX500s of that kind of age are prone to. So far I've got rear swing arm internal rusting and battery charger. Any more suggestions?[/QUOTE] All of the above (depending on how you read usenet, I suppose...) is good advice. And, heres my bit. Air Filter. I`ve never owned a bike that was so fussy about it, and they clog up quite easily so I believe. My own CX went from 35MPG around town to over 50MPG, and ran so much better, just by poking a few holes in the old filter with a screwdriver. Take it out completely and it`ll run like a bag o shite. I`ve got a new filter in there now mind you, and everything is happy. Apart from that, jobs a goodun.