i bought a suzuki 400 bandit bike a year ago its a little bad sound or rpm hideling but i like his snake speed so i was check it by my self tobe a ferpect condesions i take off the carborator and sray the air presure and also the hole of piston i pound out that a lot of water and dirt on it so i been thinking where that come from so i trest it the small hose that connected into the left hole that going to piston that is look like a air exust that top on to the under the tank and that hole was get the air fron the top of the gas tank was a thinny hole beside the a tank refuel hole thats the one made this bike sounds bad when its expose to the rain or if you wash this bike the water was gettrue to it going to the piston and mix together into the gassoline and those water stock onto the left piston cylinder what i deed is i dont connect it there anymore i made that tinny hose seperated and i use the fuel felter to the end on it so that it wannt sucking the dirt or dust now i love my bike sound altime even its rain or i was it altime only i coverd it when i was the air cleanner felter hole so that it was not going to suck some water the carborator its always ferpect now i love his sound of speed. I LIKE THES NAKED BIKE COUSE MORE QUALITY WHEN YOU ARE HAVING A CRUST ON IT IT WANT MADE SOO MUSH DAMAGE I ALREADY FULLDOWN 5 TIMES BUT IT WANT HURT ME SO BAD AND THE BIKE WAS JUST SMALL DAMAGE ITS A GREAT BIKE I LOVE IT TILL NOW I HAVE IT AND IM JUST NEW RECONDESION ON IT LOOK SO SEXY NAKED SPORTS RIDE EVER I LIKE THIS MODEL OF SUZUKI 4OO 1992 BANDIT .