25-30 years ago with the old good petrol with LED......
39MPG was common for my bike in speeds of 30-75 MPH. OEM as modified engine, alone or with passenger. Today heavier + 50% in kg...let's see what the consumption will look like
23MPG on Autobahn, speed a "little" bit different then and modified engine .... mostly closer to 200 than 150km/h (95-125 MPH) that caused many stops. I passed the same slow going old Hanomag van many times during 1 day :-) Maybe they got used to my 4-1.
One day on highway, I needed some beers to get the ringing sound out of my head :-)