"Look" tatty or falling to bits?Just an idea but what about that Plastidip rubber coating spray as a livener? It's heat resistant, so why not?https://www.ebay.co.uk/p/?iid=261966169265&&&adgroupid=39910041817&rlsatarget=pla-329122144924&abcId=1088896&adtype=pla&merchantid=101770481&poi=&googleloc=9045954&device=c&campaignid=805055692&crdt=0&chn=ps
Bulging is not good, think I would be changing them out soon. At the end of the day when you do change them you know they will last a few more years so peace of mind.Found these on ebayhttp://www.ebay.co.uk/itm/YAMAHA-FZ1-1000-FAZER-2006-2011-HIGH-PERFORMANCE-SILICONE-RADIATOR-HOSES-BLUE-/161991675476?hash=item25b774ce54:g:l7sAAOSweW5VZM-6