Andy, I'm with you for replacement of old tatty lines 100%. But too often I hear of people changing them purely for herd mentality reasons. I still cling desperately to my argument that if time was that bad for them, then they would be lifed and changed accordingly. Maybe I'm too indoctrinated with aircraft parts, which all have a life...
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MC21SP Plaything
BMW F800GS Bumblebee
Triumph 9551 Daytona Big boys toy
FJ1100 Sporting relic
GTS1000 oddball