help!!! i have some gas in my airbox

[dickidav]

i just put my bike back togeather... it turns over, sometimes runs very low idol then stops. i can see a very little bit of gas dripping from the airbox drain hose. what should i do?
the bike is an '83 gs450 by the way. thanks dave

[Rein]

it's not left on prime, is it?

[dickidav]

it was.. i only have a gallon of gas in the tank so i thought i should keep it on prime. is that the reason?

[Kcwiro]

If you don't put it to off and leave it on prime will just dump your gas in absence of vaccum... if you have one of those petcocks that is. either way gas comign out the airbox after you don't leave it on prim when your running... you likely need to do a nice carb cleaning and you'll be good.

Good Luck

[dickidav]

did a carb rebuild,(dip,blow,o-rings,put it back together) all parts are working. i tried to set the floar height but with brass floats did not know where to set from. it does run but very low rpms and will stall after 'bout a minute.

[Billy Ricks]

You have a carb overfilling for one reason or another. You shouldn't leave it on prime. If you're low on fuel you should have a reserve function on the petcock for that. As for the fuel in the airbox you either have a bad diaphram in the petcock, float level set too high, a bad o-ring on a float seat, a bad float seat, or a bad float valve. You may also have fuel getting into the crankcase. Smell the oil and see if you smell gas in the oil.

[dickidav]

new petcock,new o-rings, float seat and valve in good order. i think it might be the float height you suggested. where do you set them if they are the brass kind?

[dickidav]

just took my carbs off. only one has gas in it.??? now what?

[Nessism]

Float needle must be sticking. If you want to play around you can remove the floatbowls, install a clean piece of tubing on the fuel inlet and then blow air in the line. If you lift up the float the air should stop flowing in that carb. Try each carb independent and see if the float needles are allowing fuel to flow.