ok 2002 vt1100 30 k miles all stock has no power over 50 mph it's all it can do to get to 60 mph... the bike did sit for almost a year .ok that being said; I have done compression test good 165 both cyl. new plugs clean fuel , plugs look good ,slite brownish,( on old clugs) found the front carb slide not pulling up.it moves free by hand pulled the carbs cleaned , checked both slide diaphragms both look good can blow air into the black elbow rear carb slide moves up front does not where does it get its vacuum signal from I had the carbs apart and blew air and cleaner though every port. WHAT AN i MISSING ?? eng runs great down low.