sardine Member Messages 3,727 Location Buckinghamshire Sep 25, 2018 #1 An exhaust ? from something with an old Amal carb is all I know.
Tigman Forum Supporter Messages 3,919 Location Watford UK Sep 25, 2018 #2 auto syphon ? Flash Gordons/ Mings space ship ?
RonA specialist in repairing sealed for life equipment Messages 1,937 Location Stockton on Tees, UK Sep 25, 2018 #4 Are you sure its not WW2 ordinance & time to call bomb disposal? RonA
A awemawson Forum Supporter Messages 4,811 Location East Sussex, UK Sep 26, 2018 #5 Zundapp scooter comes to mind