Question about ATVs
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Posted on Jan 02, 2017
SOURCE: Yamaha Grizzly 600 leaking gas
if the carb was really cleaned out, then i would suspect the float is not set properly (where #14 in the pic meets #19, assuming it is adjustable), the float (#14) has a hole in it and is no longer "floating" which turns off fuel to the bowl when it raises #19 (needle valve) or the needle valve is not connected properly to the float (common problem when reassembling a carb.
one way to check is to remove the float bowl and with your finger, push the float up (it pivots) and turn on the petcock. if fuel still pours out the needle valve, then the needle valve may not be connected properly to the float or the needle valve is worn. if it doesn't pour out, then i would replace the float as it is no longer floating (one way to also tell is if you see fuel inside the float if its plastic) to turn off fuel or adjust the float tang (assuming the float is brass. if its plastic, then there is no adjustment). good luck.
Posted on Jan 30, 2009
how long did you let it sit for with gas in the carbs, you may have clogged up your jets. after awile gas will break down and turn into varnish, if your bike trys to push the varnish through the system it will clog the jets. try to take off your seat then remove your plastic over the gas tank. remove the gas tank and you will see four bowls *silver ones right next to where the gas tank is on the carbs*. your bowls are in sets of two. there are drain screws on the bowls to remove the gas inside. remove the 16 screws holding the bowl onto the carb. *4 on each* inside you will see your floats and jets. carefully loosen the jets with a screw driver then finish unscrewing them by hand, they are brass and very soft. you should be able to hold up the jets to the light and see a small pin hole. if not get some carb cleaner and give them a squirt and blow them out. do not try to use anything to clean them out, they are very very sensitive and one knick will change the jet. after that i would spray some carb cleaner up the jet holes and try to clean them out also. if you have a compressor it would be wise to use that to blow out the gunk from the jet holes as well. after you run threw all 8 jets put them back together and see how it goes, if nothing you may have to check the jets again and if clogged again your carbs are gunked up and will need to be cleaned
Posted on Aug 12, 2009
Had same ended up being the pick up coil which cost me 300 to replace. Runs like a champ -2700 km , supertrapp pipe , jet kit , k-n air filter , mud lite and rims - dream machine !!!!
Posted on Apr 04, 2011
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