1978 polaris tx 340 f/a carb troubles

[jake_arcticcat]

what kind of carbs is this sled suppose to have on it theres two 34 mikunis with the main jet that comes out of the bottom with that long piece and it has a 290 main and 30 pilot is this right because in a book it said it should have a 140 main?

[snoking]

the 78 tx 340 star ec34pt-05 ran 1- vm32ss
the tx-L340 ec34pl-o2 ran 1 vm38ss
I need the model # off the engine