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81 KDX 420 carb,choke help and questions

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Hello everyone one again im here again I got a couple questions here today.one of them is the choke on when lever is pushed down or when lever is pushed up. Other one is got the bike up and running after sitting for 2 years except that it wont idle dies out as soon as I dont give it gas and also this thing is sucking out gas a half a gallon dont last more than 5 mins I ride it up and down street and its already empty is this normal.carb is a mikuni vm38.any tips will thanks

Edited by RaD-Skater818

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Lever down is choke on, pilot jet is dirty(just replace) these bikes were pigs on gas, but get the carb in working order before adressing mpg's

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