I have an 03 America with just a tad over 28k miles. I used to get mileage in the upper 40's. Even close to 50mpg.... even last season. Now I am getting mid 30's on the highway. No lack of power or performance. Just sucking away the gas. Air Filter?? Spark Plugs?? All ideas welcome.

Thanks.

2003 TBA Thunderbike pipes / floorboards / and the most uncomfortable seat known to man.... Barry aka: 8-Ball