[Colin Lawton]

Hi Andrew

I’ve no idea about vacuum lines but this web site from Fowlers of Bristol may help you. There are 2 XV500 models for 1983. Not sure what the difference is.

Cheers Colin

https://www.fowlersparts.co.uk/browser/manufacturer/yamaha/bike/xv500-virago/year/1983/model/xv500-virago-26r0-1983-010-a/country/europe/colour/new-yamaha-black