My 98 formula z won't run. realized I have no fuel going to the carbs. I pulled the carbs thinking the fuel pump was shot. I pulled the fuel lines off first then the vaccum line. approx a cup of oil run out of the line. I think the crank seals may be the problem, any ideas.

Your fuel pump probly isn't shot. Sounds like you got the sled flooded to the gunnels.Sounds to me like you flooded the bottom end. Your crankcase. if the line was connected to the base of the engine, and a cup full of gas and oil came out, your in trouble, well...unless theres a plug on the bottom of your crank case for times like these. Not all sled engines have them. If It doesn't you need to get the gas and oil out of your crank case asap, because if it catches underneath, you will blow your engine, and every seal in it. Trust me, i learned the hard way. If theres no plug you will have to strip the engine, remove it from the frame on the sled, take the crank case out and dump the gas and oil out of it and let it sit until the gas dries up, gas evaporates quick so it should only take a few hours to dry up once the heavy is gone. If your engine is flooding the bottom end , wait until some gas runs through the ehxaust pipe, and then catches. Youll have a nice little scare, creates some bang and you get a big thing of fire shootin out of your exhaust. If your Ski-doo is flooding theres few reasons why.Too much varnish build up will cause your parts to stick until you break them free. Usually a carb cleaner will do this on its own and you dont have to strip the carb, just soak the carb with it and let it sit.

Could it be the needle & seat are stuck open? I had a sled in the 80s that would flood if sitting on an angle.

I'm a little confused..You had a cup of oil run out of the hose going to the crankcase?....If it is a sticky needle flooding the crankcase with gas there is no need to remove the engine to get it cleared out..Just shut off the ignition and the gas,pull out the spark plugs and start cranking..The gas will spray out of the plug holes..Keep cranking it over until there is nothing coming out of the holes,not even a mist..Then reinstall the plugs and try to start..It will likely start briefly and quit..Just pull out the plugs and dry them off and pull it over a few times..Reinstall plugs and try again..You might have to repeat this procedure several times and may need a couple of sets of fresh plugs but it will start eventually...This is much easier if you have electric start.