I have the owners manual supplement that came with my indy 500. It says that it has 340 mains and a 40 pilot. I don't claim to know sh t about carbs but thats what the book says.There is also a chart that gives suggestion for different alttitude and temp. I don't know for sure that is what is in my carb since i've never had them apart. Bought the sled in march and have yet to ride it . Sure wish it would hurry up and snow.lol
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