ORIGINAL: 3136
Hey Boltman,
for the clunk I use ryobi fuel line it's opaque grey, after two years it's still perfectly flexible. It's very dear so I use tygon for everything else
You can get it from mower shops, they also sell felt filter clunks which are great.
Thanks for a solution that I can easily source here in the land of OZ. I will give that a go.