Alistair,
been putting mine away for years OCT -APRIL I run the tank down to about 1 gallon put extra air in the tyres and move it about in the garage regular . Start it up and let it run till its nice and warm every week also have a cover for it and fit the hood . By the way cover the chrome with hard wax on body and engine ( if any ) wipe it off in spring with white spirit NOT TURPS .
Yes you get the grumps if its a sunny day but up here the days are short and it can get very cold and damp.