I found this list for some of the parts you would need and their estimate prices (here the manifold is mentioned twice and the carbs can be bought for less):
Inlet manifold £176.25
Overhaul customers carbs £78.75
Manifold and R1 carbs £320
Facet fuel pump and Filter King regulator £69
Universal choke cable kit £12
Throttle cable kit £10
https://www.youtube*.com/watch?v=9OxXi16O ... re=related
https://www.youtube*.com/watch?v=C23Ey2P1 ... re=related
