Sxi pro jetting

A friend just bought this ski that someone has hacked badly , I'm trying to get it back together for him , it's all stock , what are the carb specs ?
Main pilot ns and spring
So far I've drilled out several broken bolts , just found the gas cap has no o ring in it and it's got junk diaphragms in it , wanting to get it reliable for him , as he's planning on teaching his son to ride
Jason
 
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