I bought a 2016 with 900 miles on it. First fill up I put in approximately 4 gallons and the reserve read 240 miles. I filled up today when the gauge read under 1/4 tank and reserve read 39 miles. Sounded about right. I put in only 3.1 gallons and the tank was full. Visually and the gauge read full. The reserve read 209 miles. I had washed the bike earlier. Could water have affected the electronics? I've never owned a fairing bike before and am a little unsure about water and all the electronic stuff.