A monthly dose of seafoam or berrymans b12 will help keep things from being gummy. On my last bike a carbed RSV with all the moving what nots in the carb it was pretty important to run a dose thur like once a month.
Unleaded fuel is "dryer" than the old leaded type fuels, and possibly the ethnol ones are dryer yet. So the Marvel may have good merit.
2013 XCT added Jan 2015
pull back bars, passenger arm rests, HID Low beam, Silverstar Ultra headlight high beam,Drag Specialties Pillow Top seat with driver backrest. Glasspack mod Mufflers.
2009 Royal Star Venture-Traded Jan 2016
Trailers are for when it's broke aint it?