Tyres and fuel consumption
I do the same 130 mile journey from Hastings to London and back on my 620 Multistrada most days of the week and I have noticed that different tyres make a dramatic difference in fuel consumption.
Changing the front does not seem to have much affect, but the rear does.
I recently changed the rear from a Diablo to an Avon Storm ST and the fuel consumption immediately improved by 10%. This was averaged over many journeys, I use the same petrol station in Hastings, do more or less the same speed every journey and the weather was pretty constant.
Has anyone else noticed this?