95 Twin Jet Ski

I have twin 1995 yamaha wave raider having trouble turning them on, they sat all year this year.Could be gas delivery could be the fuel?Don't have time to fix https://offerup.com/redirect/?o=dGhlbS5NeQ== loss your gain i got them when they were laker colors. I painted in black and green rebuilt carburetors with extra carburetor parts, one of them was in the accident when I bought it, I have Fender comes with trailer trailer was remodeled.Wood was replaced , tires , replaced , spare tighter was added box was added 4500 or obo or trade depending please No games no low ballers and please dont get offended if I say i pass on ur offer